MIC codes
The 2,315 current Market Identifier Codes in the ISO 10383 registry as published on 2026-10-12, and whether a Diurn trading calendar answers each. The 574 expired codes are left out here; each still has its page, and the API still answers them.
| MIC | Name | Country | Type | Calendar |
|---|---|---|---|---|
| 21XX | 21X | DE | OPRT | Via country |
| 24DX | 24X NATIONAL EXCHANGE - DARK | US | SGMT | Via country |
| 24EQ | 24X NATIONAL EXCHANGE LLC | US | OPRT | Via country |
| 24EX | 24 EXCHANGE | BM | OPRT | Via country |
| 3579 | SSY FUTURES LTD - FREIGHT SCREEN | GB | OPRT | Via country |
| 360D | 360X DLT - MTF | DE | SGMT | Via country |
| 360M | 360X MTF | DE | SGMT | Via country |
| 360T | 360T | DE | OPRT | Via country |
| 360X | 360X | DE | OPRT | Via country |
| 3DXE | 3DXE | DE | SGMT | Via country |
| 4AXE | CTSE NOMINEES | ZA | OPRT | Via country |
| A2XX | A2X | ZA | OPRT | Via country |
| A5XB | A5X S.A. | BR | OPRT | Via country |
| AACA | CREDIT AGRICOLE CIB | FR | OPRT | Via country |
| AAPA | ATHENS EXCHANGE - APA | GR | OPRT | Via country |
| AATS | ASSENT ATS | US | OPRT | Via country |
| ABAN | ABANCA | ES | OPRT | Via country |
| ABFI | ALPHA BANK | GR | OPRT | Via country |
| ABNA | ABN AMRO BANK NV | NL | OPRT | Via country |
| ABNC | ABN AMRO CLEARING BANK | NL | OPRT | Via country |
| ABSI | ALM. BRAND BANK | DK | OPRT | Via country |
| ABUL | BULGARIAN STOCK EXCHANGE - ALTERNATIVE MARKET | BG | SGMT | Via operating MIC |
| ABXX | VENOMEX LIMITED (EX. YOSHI MARKETS) | AE | SGMT | Via country |
| ACCX | ACCX | GB | OPRT | Via country |
| ACEX | ACE DERIVATIVES AND COMMODITY EXCHANGE LTD | IN | OPRT | Via country |
| ACKF | KCG ACKNOWLEDGE FI | US | SGMT | Via country |
| ACXC | ACX CLEARING CORPORATION LTD. | AE | OPRT | Via country |
| ACXL | ACX | AE | OPRT | Via country |
| ADRK | ALPHA DRK | CA | SGMT | Via country |
| ADVT | ADVISE TECHNOLOGIES - APA TRANSPARENCY REPORTING | US | OPRT | Via country |
| AFET | AGRICULTURAL FUTURES EXCHANGE OF THAILAND | TH | OPRT | Via country |
| AFEX | AFRINEX LIMITED | MU | OPRT | Via country |
| AFSA | AFS - OTF | NL | OPRT | Via country |
| AFSE | AFS E-VENUES B.V. | NL | OPRT | Via country |
| AFSI | AFS - OTF - INTEREST RATE DERIVATIVES | NL | SGMT | Via country |
| AFSL | AFS - OTF - STRUCTURED PRODUCTS | NL | SGMT | Via country |
| AFSO | AFS - OTF - BONDS | NL | SGMT | Via country |
| AFSX | AFS - OTF - FX FORWARDS | NL | SGMT | Via country |
| AFTS | ACCESS FINTECH | GB | OPRT | Via country |
| AGBP | A AND G BANCA PRIVADA SAU | ES | OPRT | Via country |
| AILT | ARRACO IRELAND LTD | IE | OPRT | Via country |
| AIMX | LONDON STOCK EXCHANGE - AIM MTF | GB | SGMT | Via operating MIC |
| AIXK | ASTANA INTERNATIONAL EXCHANGE LTD | KZ | OPRT | Yes |
| AKIS | AKIS - BANCO BPM | IT | OPRT | Via country |
| ALLT | ALLT - OTF | ES | OPRT | Via country |
| ALPX | ALPHAX US | US | OPRT | Via country |
| ALSI | AKTIESELSKABET ARBEJDERNES LANDSBANK | DK | OPRT | Via country |
| ALTX | JSE ALTERNATE EXCHANGE | ZA | SGMT | Via operating MIC |
| ALXB | EURONEXT GROWTH BRUSSELS | BE | SGMT | Via operating MIC |
| ALXL | EURONEXT GROWTH LISBON | PT | SGMT | Via operating MIC |
| ALXP | EURONEXT GROWTH PARIS | FR | SGMT | Via operating MIC |
| AMNL | AMMAN STOCK EXCHANGE - NON-LISTED SECURITIES MARKET | JO | SGMT | Via operating MIC |
| AMPX | ASSET MATCH PRIVATE EXCHANGE | GB | OPRT | Via country |
| AMXO | NYSE AMERICAN OPTIONS | US | SGMT | Yes |
| ANLP | AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED | GB | SGMT | Via country |
| ANTS | ABBEY NATIONAL TREASURY SERVICES PLC | GB | OPRT | Via country |
| ANZL | AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED - SYSTEMATIC INTERNALISER | GB | OPRT | Via country |
| APAW | WIENER BOERSE AG - APA | AT | OPRT | Via country |
| APCL | ASIA PACIFIC CLEAR | SG | SGMT | Via operating MIC |
| APEX | ASIA PACIFIC EXCHANGE | SG | OPRT | Yes |
| APXL | SYDNEY STOCK EXCHANGE LIMITED | AU | OPRT | Via country |
| AQEA | AQUIS EXCHANGE EUROPE AUCTION ON DEMAND (AOD) | FR | SGMT | Via country |
| AQED | AQUIS EXCHANGE EUROPE NON DISPLAY ORDER BOOK (NDOB) | FR | SGMT | Via country |
| AQEU | AQUIS EXCHANGE EUROPE | FR | OPRT | Via country |
| AQSD | AQSE MAIN MARKET (NON-EQUITY) | GB | SGMT | Via country |
| AQSE | AQUIS STOCK EXCHANGE | GB | OPRT | Via country |
| AQSF | AQSE GROWTH MARKET (NON-EQUITY) | GB | SGMT | Via country |
| AQSG | AQSE GROWTH MARKET (EQUITY) | GB | SGMT | Via country |
| AQSL | AQSE MAIN MARKET (EQUITY) | GB | SGMT | Via country |
| AQSN | AQSE TRADING (NON-EQUITY) | GB | SGMT | Via country |
| AQST | AQSE TRADING (EQUITY) | GB | SGMT | Via country |
| AQXA | AQUIS EXCHANGE PLC AUCTION ON DEMAND (AOD) | GB | SGMT | Via country |
| AQXD | AQUIS EXCHANGE PLC AMP NON DISPLAY ORDER BOOK | GB | SGMT | Via country |
| AQXE | AQUIS EXCHANGE PLC | GB | OPRT | Via country |
| ARAX | ARRACO GLOBAL MARKETS LTD | GB | OPRT | Via country |
| ARCB | ARCHAX EUROPE - BONDS | ES | SGMT | Via country |
| ARCD | ARCA DARK | US | SGMT | Via operating MIC |
| ARCE | ARCHAX EUROPE - MTF (MADRID) | ES | OPRT | Via country |
| ARCH | ARCHAX | GB | OPRT | Via country |
| ARCO | NYSE ARCA OPTIONS | US | SGMT | Yes |
| ARCX | NYSE ARCA | US | SGMT | Via operating MIC |
| ARDA | ARCHAX - DIGITAL ASSETS | GB | SGMT | Via country |
| AREX | AREX - AUTOMATED RECEIVABLES EXCHANGE | IE | OPRT | Via country |
| ARIA | ARIAN TRADING FACILITY | GB | OPRT | Via country |
| ARKX | ARKONIS | US | OPRT | Via country |
| ARTX | ARTEX GLOBAL MARKETS AG | LI | OPRT | – |
| ASEF | AEGIS SWAP EXECUTION FACILITY | US | OPRT | Via country |
| ASEX | ATHENS STOCK EXCHANGE | GR | OPRT | Yes |
| ASMT | INTELLIGENTCROSS ASPEN MAKER/TAKER | US | SGMT | Via country |
| ASPC | CIX INTELLIGENTCROSS ASPEN | CA | SGMT | Via country |
| ASPI | INTELLIGENTCROSS ASPEN INVERTED | US | SGMT | Via country |
| ASPN | INTELLIGENTCROSS ASPEN INTELLIGENT BID/OFFER | US | SGMT | Via country |
| ASPV | CIX INTELLIGENTCROSS ASPEN VERT | CA | SGMT | Via country |
| ASTR | CLEARCORP DEALING SYSTEMS INDIA LIMITED - ASTROID | IN | SGMT | Via country |
| ASXB | ASX BOOKBUILD | AU | SGMT | Via operating MIC |
| ASXC | ASX - CENTRE POINT | AU | SGMT | Via operating MIC |
| ASXP | ASX - PUREMATCH | AU | SGMT | Via operating MIC |
| ASXT | ASX TRADEMATCH | AU | SGMT | Via operating MIC |
| ASXV | ASX - VOLUMEMATCH | AU | SGMT | Via operating MIC |
| ATAD | ATADEL FUNDS | CZ | OPRT | Via country |
| ATFX | ATFUND MTF | IT | SGMT | Via operating MIC |
| ATHL | ATHLOS CAPITAL INVESTMENT SERVICES LTD | CY | OPRT | Via country |
| ATLB | BRAEMAR SECURITIES LTD | GB | OPRT | Via country |
| ATLN | ATONLINE LIMITED | CY | OPRT | Via country |
| ATXE | XCHANGE ALPHA | US | OPRT | Via country |
| AURB | AUREL | FR | OPRT | Via country |
| AURO | AUREL - OTF | FR | SGMT | Via country |
| AVEU | AQUIS EXCHANGE EUROPE - AQUIS VWAP MATCH (AVM) | FR | SGMT | Via country |
| AVXE | AQUIS EXCHANGE LIMITED - AQUIS VWAP MATCH (AVM) | GB | SGMT | Via country |
| AWBX | AUSTRALIAN WHEAT BOARD | AU | OPRT | Via country |
| AWEX | AUSTRALIAN WOOL EXCHANGE | AU | OPRT | Via country |
| AXIO | AXIOLOGY | LT | OPRT | Via country |
| BAAD | BAADER BANK | DE | OPRT | Via country |
| BACE | BOLSA DE CEREALES DE BUENOS AIRES | AR | OPRT | Via country |
| BACR | BANK OF AMERICA SECURITIES - CENTRAL RISK | HK | SGMT | Via country |
| BAEP | BANK OF AMERICA MERRILL LYNCH EQUITY SWAP - EXTERNAL PRICE SOURCE | HK | SGMT | Via country |
| BAIP | BANK OF AMERICA MERRILL LYNCH EQUITY SWAP - INTERNAL PRICE SOURCE | HK | OPRT | Via country |
| BAJD | BANK OF AMERICA MERRILL LYNCH - JAPAN INSTINCT X | JP | OPRT | Via country |
| BAJM | BARBADOS STOCK EXCHANGE - JUNIOR MARKET | BB | SGMT | Via operating MIC |
| BALT | THE BALTIC EXCHANGE | GB | OPRT | Via country |
| BAML | BANK OF AMERICA - MERRILL LYNCH INSTINCT X ATS | US | OPRT | Via country |
| BAMX | BANK OF AMERICA - MERRILL LYNCH GCX | US | OPRT | Via country |
| BANA | BANK OF AMERICA, NATIONAL ASSOCIATION | GB | OPRT | Via country |
| BAPA | BLOOMBERG - APA | GB | OPRT | Via country |
| BAPE | BLOOMBERG DATA REPORTING SERVICES B.V. - APA | NL | OPRT | Via country |
| BAPX | BALTPOOL | LT | OPRT | Via country |
| BARD | BARCLAYS FX - TRADING | US | SGMT | Via country |
| BARK | CBOE EUROPE - REGULATED MARKET DARK BOOK | GB | SGMT | Via country |
| BARL | BARCLAYS LIQUID MARKETS | US | SGMT | Via country |
| BARO | CBOE EUROPE - REGULATED MARKET OFF BOOK | GB | SGMT | Via country |
| BART | CBOE EUROPE - REGULATED MARKET INTEGRATED BOOK | GB | SGMT | Via country |
| BARU | CBOE EUROPE - REGULATED MARKET DARK BOOK (NL) | NL | SGMT | Via country |
| BARX | BARCLAYS ATS | US | OPRT | Via country |
| BASE | BANK OF AMERICA MERRILL LYNCH - SWAP EXECUTIONS | HK | OPRT | Via country |
| BASI | BANK OF AMERICA, NATIONAL ASSOCIATION - LONDON BRANCH OFFICE - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| BASP | BANK OF AMERICA SECURITIES EQUITY SWAP - SYNTHETIC PRICE SOURCE | HK | SGMT | Via country |
| BASX | BANK OF AMERICA MERRILL LYNCH - SIMPLEX BLAST X | JP | OPRT | Via country |
| BATD | CBOE EUROPE - BXE DARK ORDER BOOK | GB | SGMT | Via country |
| BATE | CBOE EUROPE - BXE ORDER BOOKS | GB | SGMT | Via country |
| BATF | CBOE EUROPE - BXE OFF-BOOK | GB | SGMT | Via country |
| BATO | CBOE BZX OPTIONS EXCHANGE | US | SGMT | Yes |
| BATP | CBOE EUROPE - BXE PERIODIC | GB | SGMT | Via country |
| BATS | CBOE BZX U.S. EQUITIES EXCHANGE | US | SGMT | Yes |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE | US | SGMT | Yes |
| BBIE | BARCLAYS BANK IRELAND PLC | IE | OPRT | Via country |
| BBIS | BARCLAYS BANK IRELAND PLC - SYSTEMATIC INTERNALISER | IE | SGMT | Via country |
| BBLX | BONDBLOX EXCHANGE | SG | OPRT | Via country |
| BBOK | BARCLAYS SINGLE DEALER PLATFORM | US | SGMT | Via country |
| BBSF | BLOOMBERG SEF LLC | US | OPRT | Via country |
| BBSI | BARCLAYS BANK PLC - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| BBSN | BLOOMBERG SEF LLC - SECURITY-BASED SWAP EXECUTION FACILITY (SBSEF) | US | SGMT | Via country |
| BBSX | BB SECURITIES LTD | GB | OPRT | Via country |
| BBVA | BANCO BILBAO VIZCAYA ARGENTARIA S.A | ES | OPRT | Via country |
| BBVI | BITSTAMP GLOBAL | VG | OPRT | – |
| BBVX | BANCO BILBAO VIZCAYA ARGENTARIA S.A. - UK | GB | OPRT | Via country |
| BCEE | BANQUE ET CAISSE D'EPARGNE DE L'ETAT, LUXEMBOURG - BCEE | LU | OPRT | Via country |
| BCFS | BOLSA DE COMERCIO DE SANTA FE | AR | OPRT | Via country |
| BCMA | BANCA MARCH S.A. | ES | OPRT | Via country |
| BCMM | BOLSA DE CEREAIS E MERCADORIAS DE MARINGÁ | BR | OPRT | Via country |
| BCRM | CBOE EUROPE REGULATED MARKETS | GB | OPRT | Via country |
| BCSC | BROKERCREDITSERVICE (CYPRUS) LIMITED | CY | OPRT | Via country |
| BCSE | BELARUS CURRENCY AND STOCK EXCHANGE | BY | OPRT | – |
| BCSI | BARCLAYS CAPITAL SECURITIES LIMITED - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| BCSL | BARCLAYS CAPITAL SECURITIES LIMITED | GB | OPRT | Via country |
| BCXE | CBOE EUROPE EQUITIES | GB | OPRT | Via country |
| BDEA | BAYERNLB - IDEAL FX | DE | SGMT | Via country |
| BDPL | BANQUE DEGROOF PETERCAM LUXEMBOURG S.A. | LU | OPRT | Via country |
| BDSK | DSK BANK EAD | BG | OPRT | Via country |
| BEAM | MTS ASSOCIATED MARKETS | BE | OPRT | Via country |
| BEBG | BULGARIAN ENERGY TRADING PLATFORM | BG | OPRT | Via country |
| BEEX | BOND ELECTRONIC EXCHANGE | TH | OPRT | Via country |
| BEIS | BANCA ETICA | IT | OPRT | Via country |
| BELB | BELFIUS BANK NV/SA | BE | OPRT | Via country |
| BELF | BELFIUS BANK NV/SA FIXED INCOME | BE | SGMT | Via country |
| BERA | BOERSE BERLIN - REGULIERTER MARKT | DE | SGMT | Via country |
| BERB | BOERSE BERLIN - FREIVERKEHR | DE | SGMT | Via country |
| BERC | BOERSE BERLIN - BERLIN SECOND REGULATED MARKET | DE | SGMT | Via country |
| BESA | BITSTAMP EUROPE | LU | OPRT | Via country |
| BETA | BETA MARKET | HU | SGMT | Via operating MIC |
| BETP | BLOOMBERG TRADEBOOK JAPAN LIMITED | JP | OPRT | Via country |
| BETX | BET OTC BILAT COMMODITY DERIVATIVES | GB | OPRT | Via country |
| BEUO | CBOE EUROPE - REGULATED MARKET OFF BOOK (NL) | NL | SGMT | Via country |
| BEUP | CBOE EUROPE - DXE PERIODIC (NL) | NL | SGMT | Via country |
| BEUT | CBOE EUROPE - REGULATED MARKET INTEGRATED BOOK (NL) | NL | SGMT | Via country |
| BFPT | BANCO FINANTIA S.A. | PT | OPRT | Via country |
| BFSD | BITSTAMP DERIVATIVES EXCHANGE | SI | OPRT | Yes |
| BGCA | BGC PARTNERS (AUSTRALIA) PTY LTD | AU | OPRT | Via country |
| BGCB | BGC BROKERS LP - TRAYPORT | GB | SGMT | Via country |
| BGCD | BGC DERIVATIVE MARKETS L.P. | US | SGMT | Via country |
| BGCF | BGC FINANCIAL INC | US | OPRT | Via country |
| BGCI | BGC BROKERS LP | GB | OPRT | Via country |
| BGCJ | BGC SHOKEN KAISHA LTD – ETP | JP | OPRT | Via country |
| BGCO | BGC BROKERS LP - OTF | GB | SGMT | Via country |
| BGEM | BORSA ITALIANA GLOBAL EQUITY MARKET | IT | SGMT | Via operating MIC |
| BGFI | BERENBERG FIXED INCOME | DE | SGMT | Via country |
| BGFU | BERENBERG FIXED INCOME UK | GB | SGMT | Via country |
| BGFX | BERENBERG FX | DE | SGMT | Via country |
| BGHX | BALKAN GAS HUB EAD | BG | OPRT | Via country |
| BGLU | BGL BNP PARIBAS | LU | OPRT | Via country |
| BGSG | BGC PARTNERS SINGAPORE RMO | SG | OPRT | Via country |
| BGSI | BERENBERG | DE | OPRT | Via country |
| BGUK | BERENBERG UK | GB | OPRT | Via country |
| BHSF | CBOE SEF, LLC | US | OPRT | Via country |
| BHWA | BANK HANDLOWY W WARSZAWIE SPOLKA AKCYJNA | PL | OPRT | Via country |
| BIDS | BIDS TRADING L.P. | US | OPRT | Via country |
| BILT | OFF-EXCHANGE TRANSACTIONS - LISTED AND UNLISTED INSTRUMENTS | ZZ | OPRT | – |
| BILU | BANQUE INTERNATIONALE A LUXEMBOURG S.A. | LU | OPRT | Via country |
| BINV | BOND INVEST | DE | OPRT | Via country |
| BISI | GOLDMAN SACHS INTERNATIONAL BANK - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| BIVA | BOLSA INSTITUCIONAL DE VALORES | MX | OPRT | Via country |
| BJSE | BEIJING STOCK EXCHANGE | CN | OPRT | Via country |
| BKBR | BNY MELLON S.A./N.V. - BRUSSELS BRANCH | BE | OPRT | Via country |
| BKDM | BNY MELLON MARKETS EUROPE LIMITED | IE | OPRT | Via country |
| BKKT | BAKKT | US | OPRT | Via country |
| BKLN | THE BANK OF NEW YORK MELLON - LONDON BRANCH | GB | OPRT | Via country |
| BKSK | BKS BANK AG | AT | OPRT | Via country |
| BLBB | BAYERNLB | DE | OPRT | Via country |
| BLBF | BANJA LUKA STOCK EXCHANGE - FREE MARKET | BA | SGMT | Via operating MIC |
| BLBS | BAYERNLB - BONDS MARKET | DE | SGMT | Via country |
| BLEQ | BAYERNLB - EQUITIES MARKET | DE | SGMT | Via country |
| BLEV | BLOCK EVENT | AU | OPRT | Via country |
| BLFX | BAYERNLB - FX DERIVATIVES MARKET | DE | SGMT | Via country |
| BLIQ | BAYERNLB - LIQP BONDS MARKET | DE | SGMT | Via country |
| BLKX | INSTINET BLOCKCROSS ATS | US | SGMT | Via country |
| BLNK | BLINK MTF | GB | SGMT | Via country |
| BLOX | BLOCKMATCH UK DARK | GB | SGMT | Via country |
| BLPX | BELGIAN POWER EXCHANGE | BE | OPRT | Yes |
| BLTX | BALTEX - FREIGHT DERIVATIVES MARKET | GB | SGMT | Via country |
| BLUE | PRO SECURITIES ATS | US | OPRT | Via country |
| BLUX | BANQUE DE LUXEMBOURG | LU | OPRT | Via country |
| BLXA | INSTINET BLX (AU) | AU | OPRT | Via country |
| BMCL | BME CLEARING S.A. | ES | SGMT | Via country |
| BMCM | BMO CAPITAL MARKETS LIMITED | GB | OPRT | Via country |
| BMEA | BME - APA | ES | SGMT | Via country |
| BMEX | BME - BOLSAS Y MERCADOS ESPANOLES | ES | OPRT | Via country |
| BMLB | BANK OF MONTREAL - LONDON BRANCH | GB | OPRT | Via country |
| BMLI | BANK OF AMERICA MERRILL LYNCH INTERNATIONAL BANK DESIGNATED ACTIVITY COMPANY | IE | OPRT | Via country |
| BMLS | BANK OF AMERICA MERRILL LYNCH INTERNATIONAL BANK DESIGNATED ACTIVITY COMPANY - SYSTEMATIC INTERNALISER | IE | SGMT | Via country |
| BMTF | BLOOMBERG TRADING FACILITY LIMITED | GB | OPRT | Via country |
| BMTS | MTS BELGIUM | BE | SGMT | Via country |
| BNCX | BINANCE | AE | OPRT | Via country |
| BNDD | TRADEWEB DIRECT LLC | US | SGMT | Via country |
| BNDS | BONDS.COM, INC. | US | OPRT | Via country |
| BNLD | BANCA NAZIONALE DEL LAVORO SPA | IT | OPRT | Via country |
| BNPA | BNP PARIBAS ARBITRAGE SNC | FR | OPRT | Via country |
| BNPC | BNPP CORTEX ATS | US | OPRT | Via country |
| BNPF | BNP PARIBAS FORTIS SA/NV | BE | OPRT | Via country |
| BNPH | BNPP CORTEX EQUITIES | US | OPRT | Via country |
| BNPL | BNP PARIBAS SA LONDON BRANCH | GB | OPRT | Via country |
| BNPP | BANK BGZ BNP PARIBAS S.A. | PL | OPRT | Via country |
| BNPS | BNP PARIBAS SA | FR | OPRT | Via country |
| BNPX | BNP PARIBAS ALTERNATIVE TRADING SYSTEM | JP | OPRT | Via country |
| BNSX | THE BANK OF NOVA SCOTIA | CA | OPRT | Via country |
| BNTW | BLOCKMATCH UK NT | GB | SGMT | Via country |
| BNYC | CONVERGEX | US | OPRT | Via country |
| BOAL | BANK OF AMERICA, NATIONAL ASSOCIATION - LONDON BRANCH OFFICE | GB | SGMT | Via country |
| BOAT | CINNOBER BOAT | GB | OPRT | Via country |
| BOCF | BANK OF CHINA LIMITED - FRANKFURT BRANCH | DE | OPRT | Via country |
| BOFS | BANK OF SCOTLAND PLC | GB | OPRT | Via country |
| BOSC | BONDSCAPE | GB | OPRT | Via country |
| BOSD | NASDAQ TEXAS DARK | US | SGMT | Via operating MIC |
| BOSP | WARSAW STOCK EXCHANGE/BONDS/CATALYST/BONDSPOT/MTF | PL | SGMT | Via operating MIC |
| BOSS | BRUCE ATS | US | OPRT | Via country |
| BOTC | OFF EXCHANGE IDENTIFIER FOR OTC TRADES REPORTED TO CBOE EUROPE | GB | SGMT | Via country |
| BOTE | BOTSWANA STOCK EXCHANGE - EXCHANGE TRADED FUNDS (ETF) | BW | SGMT | Via operating MIC |
| BOTV | BOTSWANA STOCK EXCHANGE - VENTURE CAPITAL | BW | SGMT | Via operating MIC |
| BOVA | BOLSA DE CORREDORES - BOLSA DE VALORES | CL | OPRT | Via country |
| BOVM | BOLSA DE VALORES MINAS-ESPÍRITO SANTO-BRASÍLIA | BR | OPRT | Via country |
| BPKO | PKO BANK POLSKI S.A. | PL | OPRT | Via country |
| BPLC | BARCLAYS BANK PLC | GB | OPRT | Via country |
| BPOL | BLOOMBERG BPOOL | US | OPRT | Via country |
| BPSX | BNP PARIBAS SECURITIES SERVICES | FR | OPRT | Via country |
| BPTE | BITSTAMP ASIA PTE. LTD. | SG | OPRT | Via country |
| BPXD | BPX MARKETS LIMITED - DEBT INSTRUMENTS | GB | SGMT | Via country |
| BPXR | BPX MARKETS LIMITED - REPO | GB | SGMT | Via country |
| BPXX | BPX MARKETS LIMITED | GB | OPRT | Via country |
| BRAE | BRAEMAR SECURITIES LTD - OTF | GB | SGMT | Via country |
| BRDE | BRD - GROUPE SOCIETE GENERALE S.A. | RO | OPRT | Via country |
| BRDL | BRD - GROUPE SOCIETE GENERALE S.A. - LIQUIDITY PROVIDER | RO | SGMT | Via country |
| BRDS | BRD - GROUPE SOCIETE GENERALE S.A. - SYSTEMATIC INTERNALISER | RO | SGMT | Via country |
| BREA | BANCA REALE | IT | OPRT | Via country |
| BRED | BRED BANQUE POPULAIRE | FR | OPRT | Via country |
| BRFQ | BLOCKMATCH UK SELECT | GB | SGMT | Via country |
| BRGA | BRYAN GARNIER AND CO LIMITED | GB | OPRT | Via country |
| BRIX | BRAZILIAN ENERGY EXCHANGE | BR | OPRT | Via country |
| BRMF | ROMANIAN COMMODITIES EXCHANGE - BRM-SMT | RO | SGMT | Via operating MIC |
| BRNX | BERNSTEIN CROSS (BERN-X) | GB | OPRT | Via country |
| BSAB | BANCO DE SABADELL, S.A. | ES | OPRT | Via country |
| BSEE | BRAEMAR SECURITIES ESPANA - OTF | ES | OPRT | Via country |
| BSEX | BAKU STOCK EXCHANGE | AZ | OPRT | Yes |
| BSFX | BAYERNLB - FX HANDEL | DE | SGMT | Via country |
| BSGX | INTELLIGENTCROSS - BSGX | US | SGMT | Via country |
| BSLB | BANCO SANTANDER, LONDON BRANCH | GB | OPRT | Via country |
| BSME | BSE SME | IN | SGMT | Via operating MIC |
| BSPL | BNP PARIBAS SECURITIES SERVICES LONDON BRANCH | GB | OPRT | Via country |
| BSTX | BOSTON SECURITY TOKEN EXCHANGE LLC | US | OPRT | Via country |
| BTAM | BROKERTEC EU REGULATED MARKET | NL | OPRT | Via country |
| BTBS | BLOOMBERG TRADEBOOK SINGAPORE PTE LTD | SG | OPRT | Via country |
| BTEA | BROKERTEC AMERICAS LLC - CHICAGO | US | SGMT | Via country |
| BTEC | BROKERTEC AMERICAS LLC | US | OPRT | Via country |
| BTEE | BROKERTEC EU MTF | GB | OPRT | Via country |
| BTEQ | BROKERTEC AMERICAS LLC - RFQ PLATFORM | US | SGMT | Via country |
| BTFE | BLOOMBERG TRADING FACILITY B.V. | NL | OPRT | Via country |
| BTLX | BTL OTC BILAT COMMODITY DERIVATIVES | GB | OPRT | Via country |
| BTNL | BITNOMIAL | US | OPRT | Via country |
| BTQE | BROKERTEC EU REGULATED MARKET - RFQ TRADING PROTOCOL | NL | SGMT | Via country |
| BTRE | BROKERTEC EU REGULATED MARKET - TRADE REGISTRATION | NL | SGMT | Via country |
| BTRG | BROKERTEC EU MTF - TRADE REGISTRATION | GB | SGMT | Via country |
| BTRL | BANCA TRANSILVANIA S.A. | RO | OPRT | Via country |
| BTSP | BITSTAMP LTD | GB | OPRT | Via country |
| BTUN | TUNIS STOCK EXCHANGE (BOURSE DE TUNIS) - BONDS MARKET | TN | SGMT | Via operating MIC |
| BUGI | BULLISH | GI | OPRT | – |
| BUGM | BULLISH MARKETS | GI | OPRT | – |
| BUKL | BITSTAMP UK LTD | GB | OPRT | Via country |
| BUSA | BITSTAMP USA, INC. | US | OPRT | Via country |
| BUYN | LCH LTD - BUY IN | GB | SGMT | Via country |
| BVCA | CARACAS STOCK EXCHANGE | VE | OPRT | Yes |
| BVMF | B3 S.A. - BRASIL BOLSA BALCAO | BR | OPRT | Yes |
| BVUK | BONDVISION UK | GB | SGMT | Via country |
| BVUR | BOLSA ELECTRONICA DE VALORES DEL URUGUAY | UY | OPRT | – |
| BXDA | BX DIGITAL | CH | OPRT | Via country |
| BYXD | CBOE BYX U.S. EQUITIES EXCHANGE DARK | US | SGMT | Yes |
| BZXD | CBOE BZX U.S. EQUITIES EXCHANGE DARK | US | SGMT | Yes |
| C2OX | CBOE C2 OPTIONS EXCHANGE | US | SGMT | Yes |
| CABK | CAIXABANK | ES | OPRT | Via country |
| CABV | CME AMSTERDAM B.V. - APA | NL | OPRT | Via country |
| CAES | CREDIT SUISSE AES CROSSFINDER | US | SGMT | Via country |
| CALH | CLSA AMERICAS - LIQUIDITY HUB | US | OPRT | Via country |
| CAND | CANDEAL.CA INC | CA | OPRT | Via country |
| CANX | CANNEX FINANCIAL EXCHANGE LTS | CA | OPRT | Via country |
| CAPA | CBOE EUROPE - APA (NL) | NL | SGMT | Via country |
| CAPI | CAPI - OTF | ES | OPRT | Via country |
| CAPL | CREDIT AGRICOLE BANK POLSKA S.A. | PL | OPRT | Via country |
| CAPT | CAPITOLIS OTF | GB | OPRT | Via country |
| CASI | CARNEGIE INVESTMENT BANK AB | SE | OPRT | Via country |
| CAST | FORECASTEX, LLC | US | OPRT | Yes |
| CATS | CATS | DE | OPRT | Via country |
| CAVD | CAVENDISH MARKETS B.V. | NL | OPRT | Via country |
| CAVE | CAVEAT EMPTOR | US | SGMT | Via country |
| CBAE | COMMONWEALTH BANK OF AUSTRALIA (EUROPE) N.V. | NL | OPRT | Via country |
| CBAL | COMMONWEALTH BANK OF AUSTRALIA - LONDON BRANCH | GB | OPRT | Via country |
| CBKA | COMMERZBANK AG | DE | OPRT | Via country |
| CBKC | COMMERZBANK COMMODITY DERIVATIVES | DE | SGMT | Via country |
| CBKD | COMMERZBANK EQUITY DERIVATIVES | DE | SGMT | Via country |
| CBKE | COMMERZBANK EQUITY | DE | SGMT | Via country |
| CBKF | COMMERZBANK COMMANDER | DE | SGMT | Via country |
| CBKG | COMMERZBANK FIXED INCOME | DE | SGMT | Via country |
| CBKS | COMMERZBANK INTEREST RATE SWAPS | DE | SGMT | Via country |
| CBLP | CREDITEX BROKERAGE LLP | GB | OPRT | Via country |
| CBMS | CBM SARB | ZA | OPRT | Via country |
| CBNL | CITIBANK N.A. LONDON | GB | OPRT | Via country |
| CBOE | CBOE FX NDFS | CH | OPRT | Via country |
| CBSK | CESKOSLOVENSKA OBCHODNA BANKA, A.S. | SK | OPRT | Via country |
| CBSX | CBOE STOCK EXCHANGE | US | SGMT | Yes |
| CBTS | CME SWAPS MARKETS (CBOT) | US | SGMT | Via operating MIC |
| CCDA | CICADA ATS | US | OPRT | Via country |
| CCEU | CITADEL CONNECT EUROPE - UK | GB | OPRT | Via country |
| CCEX | CASPY COMMODITY EXCHANGE | KZ | OPRT | Yes |
| CCFX | CHINA FINANCIAL FUTURES EXCHANGE | CN | OPRT | Yes |
| CCLX | FINESTI S.A. | LU | OPRT | Via country |
| CCML | CONTINENTAL CAPITAL MARKETS LIMITED - OTF | GB | OPRT | Via country |
| CCMS | CONTINENTAL CAPITAL MARKETS S.A. | CH | OPRT | Via country |
| CCMX | CARTAX | US | OPRT | Via country |
| CCRM | CBOE EUROPE REGULATED MARKETS (NL) | NL | OPRT | Via country |
| CCXE | CBOE EUROPE EQUITIES - EUROPEAN EQUITIES (NL) | NL | OPRT | Via country |
| CDED | CITADEL SECURITIES | US | OPRT | Via country |
| CDNA | NORTH AMERICAN DERIVATIVES EXCHANGE, INC. | US | OPRT | Yes |
| CDSI | CREDIT SUISSE (DEUTSCHLAND) AG | DE | SGMT | Via country |
| CDSL | CLEARCORP DEALING SYSTEMS (INDIA) LTD. | IN | OPRT | Via country |
| CECA | CECABANK | ES | OPRT | Via country |
| CECS | CME SWAPS MARKETS (COMEX) | US | SGMT | Via operating MIC |
| CELP | ČESKOSLOVENSKÁ OBCHODNÍ BANKA, A.S. - OTHER LIQUIDITY PROVIDER (OLP) | CZ | SGMT | Via country |
| CEPL | CITIBANK EUROPE PLC | IE | OPRT | Via country |
| CEPU | CITIBANK EUROPE PLC - LONDON BRANCH | GB | OPRT | Via country |
| CESF | RESURETY MARKETS | US | OPRT | Via country |
| CESI | ČESKOSLOVENSKÁ OBCHODNÍ BANKA, A.S. - SYSTEMATIC INTERNALISER | CZ | SGMT | Via country |
| CETI | CETIP S.A. - MERCADOS ORGANIZADOS | BR | SGMT | Via operating MIC |
| CEUD | CBOE EUROPE - DXE DARK ORDER BOOK (NL) | NL | SGMT | Via country |
| CEUO | CBOE EUROPE - DXE OFF-BOOK (NL) | NL | SGMT | Via country |
| CEUX | CBOE EUROPE - DXE ORDER BOOKS (NL) | NL | SGMT | Via country |
| CFAU | CROSSFINDER AUSTRALIA | AU | SGMT | Via country |
| CFBC | CHINA FOREIGN EXCHANGE TRADE SYSTEM - SHANGHAI - HONG KONG BOND CONNECT | CN | SGMT | Via country |
| CFHK | CROSSFINDER HONG KONG | HK | SGMT | Via country |
| CFIC | CHINAFICC | GB | OPRT | Via country |
| CFIF | CREDIT FINANCIER INVEST (CFI) LTD | CY | OPRT | Via country |
| CFIL | CANTOR FITZGERALD IRELAND LIMITED | IE | OPRT | Via country |
| CFIM | CBOE FIXED INCOME MARKETS, LLC | US | OPRT | Via country |
| CFJP | CROSSFINDER JAPAN | JP | SGMT | Via country |
| CFTW | CROSSFINDER TAIWAN | TW | OPRT | Via country |
| CGCM | CASSA DI COMPENSAZIONE E GARANZIA SPA - COLLATERALIZED MONEY MARKET GUARANTEE SERVICE | IT | SGMT | Via country |
| CGDB | CASSA DI COMPENSAZIONE E GARANZIA SPA - BONDS CCP SERVICE | IT | SGMT | Via country |
| CGEB | CASSA DI COMPENSAZIONE E GARANZIA SPA - EURO BONDS CCP SERVICE | IT | SGMT | Via country |
| CGEC | CITIGROUP GLOBAL MARKETS EUROPE AG - EMEA LIQUIDITY HUB | DE | SGMT | Via country |
| CGEP | CITIPULSE EEA CONTRA LIQUIDITY | DE | SGMT | Via country |
| CGET | CITIGROUP GLOBAL MARKETS EUROPE AG - EMEA TRADING | DE | SGMT | Via country |
| CGGD | CASSA DI COMPENSAZIONE E GARANZIA SPA - CCP AGRICULTURAL COMMODITY DERIVATIVES | IT | SGMT | Via country |
| CGIT | CASSA DI COMPENSAZIONE E GARANZIA SPA | IT | OPRT | Via country |
| CGMC | CITIGROUP GLOBAL MARKETS LIMITED - EMEA LIQUIDITY HUB | GB | SGMT | Via country |
| CGMD | CITIGROUP GLOBAL MARKETS EUROPE AG | DE | OPRT | Via country |
| CGMG | CITIGROUP GLOBAL MARKETS EUROPE AG - LONDON BRANCH | GB | OPRT | Via country |
| CGMH | CITI MATCH - HK | HK | OPRT | Via country |
| CGMI | CITIGROUP GLOBAL MARKETS | US | OPRT | Via country |
| CGML | CITIGROUP GLOBAL MARKETS LIMITED | GB | OPRT | Via country |
| CGMP | CITIPULSE NON EEA CONTRA LIQUIDITY | GB | SGMT | Via country |
| CGMT | CITIGROUP GLOBAL MARKETS LIMITED - EMEA TRADING | GB | SGMT | Via country |
| CGMX | CITI MEXICO RPI (RETAIL PRICE IMPROVEMENT) | MX | OPRT | Via country |
| CGND | CASSA DI COMPENSAZIONE E GARANZIA SPA - CCP ENERGY DERIVATIVES | IT | SGMT | Via country |
| CGQD | CASSA DI COMPENSAZIONE E GARANZIA SPA - CCP EQUITY DERIVATIVES | IT | SGMT | Via country |
| CGQT | CASSA DI COMPENSAZIONE E GARANZIA SPA - EQUITY CCP SERVICE | IT | SGMT | Via country |
| CGTR | CASSA DI COMPENSAZIONE E GARANZIA SPA - TRIPARTY REPO CCP SERVICE | IT | SGMT | Via country |
| CGXS | ONECHRONOS | US | OPRT | Via country |
| CHEV | CA CHEUVREUX | GB | OPRT | Via country |
| CHIA | TMX AUSTRALIA EXCHANGE | AU | OPRT | Via country |
| CHIC | CHI-X CANADA ATS | CA | OPRT | Via country |
| CHID | CBOE EUROPE - CXE DARK ORDER BOOK | GB | SGMT | Via country |
| CHIJ | CBOE JAPAN - ALPHA | JP | OPRT | Via country |
| CHIO | CBOE EUROPE - CXE OFF-BOOK | GB | SGMT | Via country |
| CHIS | CBOE JAPAN - SELECT | JP | SGMT | Via country |
| CHIV | CBOE JAPAN - MATCH | JP | SGMT | Via country |
| CHIX | CBOE EUROPE - CXE ORDER BOOKS | GB | SGMT | Via country |
| CIBC | CANADIAN IMPERIAL BANK OF COMMERCE | GB | OPRT | Via country |
| CIBH | CIB BANK | HU | OPRT | Via country |
| CIBP | CIBC WORLD MARKETS PLC | GB | OPRT | Via country |
| CILH | LIQUIDITY HUB JAPAN | JP | OPRT | Via country |
| CIMB | CIMD S.V. S.A. - OTF FOR BONDS | ES | SGMT | Via country |
| CIMD | CIMD S.V. S.A. - OTF | ES | OPRT | Via country |
| CIME | CIMD S.V. S.A. - OTF FOR ENERGY DERIVATIVES | ES | SGMT | Via country |
| CIMV | CIMD S.V. S.A. - OTF FOR DERIVATIVES | ES | SGMT | Via country |
| CISD | NYSE NATIONAL, INC. - DARK | US | SGMT | Via operating MIC |
| CITD | CITI DARK | JP | SGMT | Via country |
| CITX | CITI MATCH - JP | JP | OPRT | Via country |
| CLAU | CLSA AUSTRALIA - DARK | AU | OPRT | Via country |
| CLCH | LCH LTD - CROSS NETTING | GB | SGMT | Via country |
| CLHK | CLSA HONG KONG - DARK | HK | OPRT | Via country |
| CLJP | CLSA JAPAN - DARK | JP | OPRT | Via country |
| CLMX | CLIMEX | NL | OPRT | Via country |
| CLPH | CLSA PHILIPPINES - DARK | PH | OPRT | Via country |
| CLST | CLEAR STREET | US | OPRT | Via country |
| CLTD | EEX ASIA PTE. LTD. | SG | OPRT | Via country |
| CLVE | VERTO MTF | GB | OPRT | Via country |
| CMAP | CAPI - APPROVED PUBLICATION ARRANGEMENT | ES | SGMT | Via country |
| CMCI | CREDIT INDUSTRIEL ET COMMERCIAL | FR | OPRT | Via country |
| CMCM | CMC MARKETS UK PLC | GB | OPRT | Via country |
| CMES | CME SWAPS MARKETS (CME) | US | SGMT | Via operating MIC |
| CMET | CLEAR MARKETS JAPAN, INC. | JP | OPRT | Via country |
| CMMT | CLEAR MARKETS EUROPE LIMITED | GB | OPRT | Via country |
| CMSF | CLEAR MARKETS NORTH AMERICA, INC. | US | OPRT | Via country |
| CMTE | COINMATE | CZ | OPRT | Via country |
| CNOD | SGX CURRENCYNODE | SG | OPRT | Via country |
| CNSI | CARNEGIE AS | NO | OPRT | Via country |
| COAL | LA COTE ALPHA | FR | OPRT | Via country |
| CODA | CODA MARKETS - MICRO AND BLOCK | US | OPRT | Via country |
| CODX | CODA X ATS | US | OPRT | Via country |
| COHR | COMHAR CAPITAL MARKETS, LLC | US | OPRT | Via country |
| COMG | COMMERG LTD. | MT | OPRT | Via country |
| COMM | COMMERG | NL | OPRT | Via country |
| CONC | CONCORDE SECURITIES LTD. | HU | OPRT | Via country |
| COTC | BMO CAPITAL MARKETS - CAD OTC TRADES | CA | OPRT | Via country |
| CPGX | CLEARPOOL EXECUTION SERVICES, LLC | US | OPRT | Via country |
| CPRM | CBOE EUROPE - REGULATED MARKET PERIODIC AUCTION (NL) | NL | SGMT | Via country |
| CPTX | CAPTIN | NL | OPRT | Via country |
| CRBX | CLIMATE TRUST | CH | OPRT | Via country |
| CRED | CREDIT SUISSE (US) | US | OPRT | Via country |
| CREM | CREDEM BANCA | IT | OPRT | Via country |
| CRMS | CLEARCORP DEALING SYSTEMS INDIA LIMITED - CROMS | IN | SGMT | Via country |
| CRSX | CROSSX TECHNOLOGIES LTD | VG | OPRT | – |
| CRYD | CRYEX - FX AND DIGITAL CURRENCIES | SE | OPRT | Via country |
| CRYP | CRYPTO FACILITIES | GB | OPRT | Via country |
| CRYX | CRYEX | SE | OPRT | Via country |
| CSAG | CREDIT SUISSE AG | CH | OPRT | Via country |
| CSAS | CESKA SPORITELNA, A.S. | CZ | OPRT | Via country |
| CSAU | CREDIT SUISSE EQUITIES (AUSTRALIA) LIMITED | AU | OPRT | Via country |
| CSBX | CREDIT SUISSE AES EUROPE BENCHMARK CROSS | GB | SGMT | Via country |
| CSCF | CREDIT SUISSE AES CROSSFINDER EUROPE | GB | SGMT | Via country |
| CSCL | CREDIT SUISSE CLOSEX | US | SGMT | Via country |
| CSDA | CREDIT SUISSE AKTIENGESELLSCHAFT | DE | OPRT | Via country |
| CSE2 | CANADIAN SECURITIES EXCHANGE - CSE2 | CA | SGMT | Via country |
| CSEC | CITADEL SECURITIES FI | GB | OPRT | Via country |
| CSEU | CREDIT SUISSE (EUROPE) | GB | OPRT | Via country |
| CSGI | CITADEL SECURITIES FI - EUROPE | IE | OPRT | Via country |
| CSHK | CREDIT SUISSE SECURITIES (HONG KONG) LIMITED | HK | OPRT | Via country |
| CSIN | CREDIT SUISSE INTERNATIONAL | GB | OPRT | Via country |
| CSJP | CREDIT SUISSE EQUITIES (JAPAN) LIMITED | JP | OPRT | Via country |
| CSLB | CREDIT SUISSE AG - LONDON BRANCH | GB | OPRT | Via country |
| CSMD | CREDIT SUISSE BANK (EUROPE), S.A. | ES | OPRT | Via country |
| CSOB | ČESKOSLOVENSKÁ OBCHODNÍ BANKA, A.S. | CZ | OPRT | Via country |
| CSOT | CREDIT SUISSE AG - OHS | CH | SGMT | Via country |
| CSSI | CREDIT SUISSE INTERNATIONAL - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| CSSX | CHINA STAINLESS STEEL EXCHANGE | CN | OPRT | Via country |
| CSTO | NASDAQ CLEARING AB | SE | SGMT | Via operating MIC |
| CSVW | CREDIT SUISSE VWAPX | US | SGMT | Via country |
| CSZH | CREDIT SUISSE (CH) | CH | OPRT | Via country |
| CTCC | CLEARTOKEN CCP LIMITED | GB | OPRT | Via country |
| CTDD | CLEARTOKEN DEPOSITORY LTD | GB | OPRT | Via country |
| CTS3 | CAPE TOWN STOCK EXCHANGE | ZA | OPRT | Via country |
| CTSS | CLEARTOKEN CSD LIMITED | GB | OPRT | Via country |
| CULV | CULVERT CAPITAL LLC | US | OPRT | Via country |
| CURX | CUREX FX | US | OPRT | Via country |
| CXAC | TMX AUSTRALIA EXCHANGE - LIMIT VENUE | AU | SGMT | Via country |
| CXAE | TMX AUSTRALIA EXCHANGE - ETFS | AU | SGMT | Via country |
| CXAF | TMX AUSTRALIA EXCHANGE MARKET PEG (FARPOINT) VENUE | AU | SGMT | Via country |
| CXAL | TMX AUSTRALIA EXCHANGE - LISTING | AU | SGMT | Via country |
| CXAM | TMX AUSTRALIA EXCHANGE MOC | AU | SGMT | Via country |
| CXAN | TMX AUSTRALIA EXCHANGE PRIMARY PEG (NEARPOINT) VENUE | AU | SGMT | Via country |
| CXAP | TMX AUSTRALIA EXCHANGE MID-POINT VENUE | AU | SGMT | Via country |
| CXAR | TMX AUSTRALIA EXCHANGE - TRANSFERABLE CUSTODY RECEIPT MARKET | AU | SGMT | Via country |
| CXAV | TMX AUSTRALIA EXCHANGE VWAP | AU | SGMT | Via country |
| CXAW | TMX AUSTRALIA EXCHANGE - WARRANTS | AU | SGMT | Via country |
| CXOT | CREDITEX BROKERAGE LLP - OTF | GB | SGMT | Via country |
| CXRT | CREDITEX BROKERAGE LLP - MTF | GB | SGMT | Via country |
| D2XC | D2X – CRYPTO DERIVATIVES | NL | SGMT | Yes |
| D2XG | D2X MARKET | NL | OPRT | Via country |
| DAIW | DAIWA CAPITAL MARKETS EUROPE LIMITED | GB | OPRT | Via country |
| DAMS | EURONEXT AMSTERDAM – DARK BOOK FACILITY | NL | SGMT | Via operating MIC |
| DAPA | DEUTSCHE BOERSE AG - APA SERVICE | DE | OPRT | Via country |
| DASE | DASE | CZ | OPRT | Via country |
| DASH | DASH ATS | US | OPRT | Via country |
| DASI | DANSKE BANK A/S | DK | OPRT | Via country |
| DAUK | DANSKE BANK A/S - LONDON BRANCH | GB | OPRT | Via country |
| DAVY | J AND E DAVY - IRISH GOVERNMENT BOND | IE | OPRT | Via country |
| DBAB | DEUTSCHE BANK SECURITIES INC. | US | OPRT | Via country |
| DBAO | DEUTSCHE BANK AUTOBAHN OFF VENUE FX PLATFORM | DE | SGMT | Via country |
| DBDX | DEUTSCHE BOERSE DIGITAL EXCHANGE | DE | OPRT | Via country |
| DBHK | DEUTSCHE BANK HONG KONG ATS | HK | OPRT | Via country |
| DBLX | DEUTSCHE BANK LUXEMBOURG S.A. | LU | OPRT | Via country |
| DBOX | DEUTSCHE BANK OFF EXCHANGE TRADING | DE | OPRT | Via country |
| DBRU | EURONEXT BRUSSELS – DARK BOOK FACILITY | BE | SGMT | Via operating MIC |
| DBXT | DBX | FR | OPRT | Via country |
| DCAS | CASABLANCA STOCK EXCHANGE – DERIVATIVES | MA | OPRT | Via country |
| DCSE | NASDAQ COPENHAGEN A/S - NORDIC@MID | DK | SGMT | Via operating MIC |
| DCSX | DUTCH CARIBBEAN SECURITIES EXCHANGE | CW | OPRT | Yes |
| DDTX | DEAL DONE TRADING | IT | OPRT | Via country |
| DDUB | EURONEXT DUBLIN– DARK BOOK FACILITY | IE | SGMT | Via operating MIC |
| DEAL | DCX (DERIVATIVES CURRENCY EXCHANGE) | US | OPRT | Via country |
| DEKA | DEKABANK DEUTSCHE GIROZENTRALE | DE | OPRT | Via country |
| DEXE | DEX LIMITED | AE | OPRT | Via country |
| DGCX | DUBAI GOLD AND COMMODITIES EXCHANGE DMCC | AE | OPRT | Yes |
| DHEL | NASDAQ HELSINKI LTD - NORDIC@MID | FI | SGMT | Via operating MIC |
| DHLX | DEUTSCHE HOLDINGS (LUXEMBOURG) S.A R.L. | LU | OPRT | Via country |
| DICE | NASDAQ ICELAND HF. - NORDIC@MID | IS | SGMT | Via operating MIC |
| DIFX | NASDAQ DUBAI | AE | OPRT | Via country |
| DKED | NASDAQ STOCKHOLM AB - DANISH EQ DERIVATIVES | SE | SGMT | Yes |
| DKFI | NASDAQ STOCKHOLM AB - DANISH FI DERIVATIVES | SE | SGMT | Yes |
| DKOB | NASDAQ STOCKHOLM AB - OTC DKK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| DKTC | DANSK OTC | DK | OPRT | Via country |
| DKWB | NASDAQ STOCKHOLM AB - DKK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| DLIS | EURONEXT LISBON – DARK BOOK FACILITY | PT | SGMT | Via operating MIC |
| DMAD | BOLSA DE MADRID - DARK MIDPOINT | ES | SGMT | Via country |
| DMIL | BORSA ITALIANA - DARK BOOK FACILITY | IT | SGMT | Via operating MIC |
| DNDK | FIRST NORTH DENMARK - NORDIC@MID | DK | SGMT | Via operating MIC |
| DNFI | FIRST NORTH FINLAND - NORDIC@MID | FI | SGMT | Via operating MIC |
| DNIS | FIRST NORTH ICELAND - NORDIC@MID | IS | SGMT | Via operating MIC |
| DNSE | FIRST NORTH SWEDEN - NORDIC@MID | SE | SGMT | Via operating MIC |
| DOSE | FIRST NORTH SWEDEN - NORWAY NORDIC@MID | SE | SGMT | Via operating MIC |
| DOSL | EURONEXT OSLO – DARK BOOK FACILITY | NO | SGMT | Via operating MIC |
| DOTS | SWISS DOTS BY CATS | CH | OPRT | Via country |
| DOWG | DOWGATE | GB | OPRT | Via country |
| DPAR | EURONEXT PARIS – DARK BOOK FACILITY | FR | SGMT | Via operating MIC |
| DRCT | DAIWA DRECT | JP | OPRT | Via country |
| DRSP | EURONEXT UK - REPORTING SERVICES | GB | OPRT | Via country |
| DSMD | QATAR STOCK EXCHANGE | QA | OPRT | Yes |
| DSME | FIRST NORTH DENMARK -SME GROWTH MARKET | DK | SGMT | Via operating MIC |
| DSTO | NASDAQ STOCKHOLM AB - NORDIC@MID | SE | SGMT | Via operating MIC |
| DUMX | GULF MERCANTILE EXCHANGE | AE | OPRT | Yes |
| DUSA | BOERSE DUESSELDORF - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| DUSB | BOERSE DUESSELDORF - FREIVERKEHR | DE | SGMT | Via operating MIC |
| DUSC | BOERSE DUESSELDORF - QUOTRIX - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| DUSD | BOERSE DUESSELDORF - QUOTRIX MTF | DE | SGMT | Via operating MIC |
| DVFX | DIGITAL VEGA | GB | OPRT | Via country |
| DWFI | DEALERWEB FIXED INCOME | US | OPRT | Via country |
| DWIN | DRIVEWEALTH INSTITUTIONAL LLC | US | OPRT | Via country |
| DWSF | DW SEF LLC | US | SGMT | Via country |
| DZBK | DZ BANK | DE | OPRT | Via country |
| EBHU | ERSTE BANK HUNGARY ZRT. | HU | OPRT | Via country |
| EBLX | BLOCKMATCH EUROPE DARK | DE | SGMT | Via country |
| EBMX | EBM - MTF | IT | SGMT | Via country |
| EBON | NASDAQ STOCKHOLM AB - EUR FI DERIVATIVES | SE | SGMT | Via operating MIC |
| EBRA | BRATISLAVA STOCK EXCHANGE - MTF | SK | SGMT | Via operating MIC |
| EBSC | EBS MARKET- CLOB - FOR THE TRADING OF SPOT FX, PRECIOUS METALS AND OTHER FX PRODUCTS | CH | SGMT | Via country |
| EBSF | EBS MTF - FX PRODUCTS - RFQ SEGMENT | NL | SGMT | Via country |
| EBSN | EBS MTF | NL | OPRT | Via country |
| EBSO | EBS UK MTF - TAILORED ORDER BOOKS | GB | SGMT | Via country |
| EBSS | EBS SERVICE COMPANY LIMITED - ALL MARKETS | CH | OPRT | Via country |
| EBXV | LEVEL ATS - VWAP CROSS | US | SGMT | Via country |
| ECAG | EUREX CLEARING AG | DE | OPRT | Via country |
| ECAL | EUREX CLEARING ASIA PTE. LTD. | SG | OPRT | Via country |
| ECEU | TRADECHO EU APA | NL | OPRT | Via country |
| ECGS | EUREX CLEARING AG - SME | DE | SGMT | Via country |
| ECHO | LONDON STOCK EXCHANGE - APA | GB | OPRT | Via country |
| ECNL | REFINITIV TRANSACTION SERVICES LIMITED - FX SPOT ECN | GB | SGMT | Via country |
| ECSL | ENTERPRISE COMMODITY SERVICES LIMITED | GB | OPRT | Via country |
| EDBT | EURONEXT DUBLIN - TRADED BONDS | IE | SGMT | Via operating MIC |
| EDDP | CBOE EDGX U.S. EQUITIES EXCHANGE DARK | US | SGMT | Yes |
| EDGA | CBOE EDGA U.S. EQUITIES EXCHANGE | US | SGMT | Yes |
| EDGD | CBOE EDGA U.S. EQUITIES EXCHANGE DARK | US | SGMT | Yes |
| EDGL | GLOBAL EXCHANGE MARKET - TRADED BONDS | IE | SGMT | Via operating MIC |
| EDGO | CBOE EDGX OPTIONS EXCHANGE | US | SGMT | Yes |
| EDGX | CBOE EDGX U.S. EQUITIES EXCHANGE | US | SGMT | Yes |
| EDRF | EDMOND DE ROTHSCHILD (FRANCE) | FR | OPRT | Via country |
| EDXM | EDX MARKETS | US | OPRT | Via country |
| EEAL | EUREX EXCHANGE ASIA PTE. LTD. | SG | OPRT | Via country |
| EESE | EAST EUROPEAN STOCK EXCHANGE | UA | OPRT | – |
| EESX | EQUITY EXPRESS SECURITIES EXCHANGE (EESE) | ZA | OPRT | Via country |
| EGMT | EG MARKET TECHNOLOGIES | US | OPRT | Via country |
| EGSI | ERSTE GROUP BANK AG | AT | OPRT | Via country |
| EIXE | AQUIS EXCHANGE PLC AQUIS - EIX INFRASTRUCTURE BOND MARKET | GB | SGMT | Via country |
| ELIX | ELIXIUM | GB | SGMT | Via country |
| ELXE | ELIXIUM S.A. | FR | OPRT | Via country |
| EM3S | EURO MTF 3S | LU | SGMT | Via operating MIC |
| EMBX | EMERGING MARKETS BOND EXCHANGE LIMITED | GB | OPRT | Via country |
| EMCE | ROMANIAN COMMODITIES EXCHANGE - OTF | RO | SGMT | Via operating MIC |
| EMLD | MIAX EMERALD, LLC | US | SGMT | Yes |
| EMTF | EURO MTF | LU | SGMT | Via operating MIC |
| ENAX | ATHENS EXCHANGE ALTERNATIVE MARKET | GR | SGMT | Via operating MIC |
| ENCL | ENCLEAR | GB | OPRT | Via country |
| ENMS | EURONEXT MARKETS SINGAPORE PTE. LTD. | SG | OPRT | Via country |
| ENSL | ENGNSOL - OMP | FR | SGMT | Via country |
| ENTW | BLOCKMATCH EUROPE NT | DE | SGMT | Via country |
| ENXL | EURONEXT ACCESS LISBON | PT | SGMT | Via operating MIC |
| EOTC | E-OTC | HK | OPRT | Via country |
| EPEX | EPEX SPOT SE | FR | OPRT | Yes |
| EPRD | MIAX PEARL EQUITIES EXCHANGE DARK | US | SGMT | Via country |
| EPRL | MIAX PEARL EQUITIES | US | SGMT | Via country |
| EQCA | EQUILEND CANADA CORP. | CA | OPRT | Via country |
| EQIE | EQUILEND LIMITED | IE | OPRT | Via country |
| EQLD | EQUILEND EUROPE LIMITED | GB | OPRT | Via country |
| EQOC | EQUOS SPOT | SG | SGMT | Via country |
| EQOD | EQUOS DERIVATIVES | SG | SGMT | Via country |
| EQOS | EQUOS | SG | OPRT | Via country |
| EQSE | EQUILEND LIMITED - SWAPS | IE | SGMT | Via country |
| EQSL | EQUILEND EUROPE LIMITED - SWAPS | GB | SGMT | Via country |
| EQTA | BOERSE BERLIN EQUIDUCT TRADING - REGULIERTER MARKT | DE | SGMT | Via country |
| EQTB | BOERSE BERLIN EQUIDUCT TRADING - BERLIN SECOND REGULATED MARKET | DE | SGMT | Via country |
| EQTC | BOERSE BERLIN EQUIDUCT TRADING - FREIVERKEHR | DE | SGMT | Via country |
| EQTD | BOERSE BERLIN EQUIDUCT TRADING - OTC | DE | SGMT | Via country |
| EQUS | EQUILEND LLC | US | OPRT | Via country |
| ERBX | EUROBANK | GR | OPRT | Via country |
| ERFQ | BLOCKMATCH EUROPE SELECT | DE | SGMT | Via country |
| ERST | ERSTE BEFEKTETESI ZRT | HU | OPRT | Via country |
| ESLO | ENGNSOL | FR | OPRT | Via country |
| ESTO | NASDAQ STOCKHOLM AB - NORWAY ETF | SE | SGMT | Via operating MIC |
| ETFP | ELECTRONIC ETF, ETC/ETN AND OPEN-END FUNDS MARKET | IT | SGMT | Via operating MIC |
| ETLX | EUROTLX | IT | SGMT | Via operating MIC |
| ETOR | ETORO EU | CY | OPRT | Via country |
| ETPA | ENERGY TRADING PLATFORM AMSTERDAM | NL | OPRT | Yes |
| ETSC | ETS EURASIAN TRADING SYSTEM COMMODITY EXCHANGE | KZ | OPRT | Yes |
| EUCC | CITADEL CONNECT EUROPE - EU | IE | OPRT | Via country |
| EUFN | EURO-FINANCE AD | BG | OPRT | Via country |
| EUOB | NASDAQ STOCKHOLM AB - OTC EUR WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| EUWA | EUWAX AG | DE | OPRT | Via country |
| EUWB | NASDAQ STOCKHOLM AB - EUR WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| EUWX | EUWAX | DE | SGMT | Via operating MIC |
| EVOL | EVOLUTION MARKETS | GB | OPRT | Via country |
| EWRM | TURKISH MERCANTILE EXCHANGE - ELECTRONIC WAREHOUSE RECEIPT MARKET | TR | SGMT | Yes |
| EXAA | WIENER BOERSE AG, AUSTRIAN ENERGY EXCHANGE | AT | SGMT | Yes |
| EXBO | EXANE BNP PARIBAS - BID-OFFER CROSSING | GB | SGMT | Via country |
| EXCP | EXANE BNP PARIBAS - CLOSING PRICE | GB | SGMT | Via country |
| EXDC | EXANE BNP PARIBAS - DIRECT CAPITAL ACCESS | GB | SGMT | Via country |
| EXEU | EXANE BNP PARIBAS | GB | OPRT | Via country |
| EXGM | EURONEXT GROWTH MILAN | IT | SGMT | Via operating MIC |
| EXIX | ELECTRONX | US | OPRT | Via country |
| EXLP | EXANE BNP PARIBAS - LIQUIDITY PROVISION | GB | SGMT | Via country |
| EXMP | EXANE BNP PARIBAS - MID POINT | GB | SGMT | Via country |
| EXOR | EXANE BNP PARIBAS - CHILD ORDER CROSSING | GB | SGMT | Via country |
| EXOT | EXOTIX CAPITAL - OTF | GB | OPRT | Via country |
| EXPM | EXPERT MARKET | US | SGMT | Via country |
| EXSE | EXANE BNP PARIBAS - SYSTEMATIC INTERNALISER | FR | OPRT | Via country |
| EXSI | EXANE BNP PARIBAS - GB | GB | SGMT | Via country |
| EXTR | ENERGY EXCHANGE ISTANBUL | TR | OPRT | Yes |
| EXVP | EXANE BNP PARIBAS - VOLUME PROFILE CROSSING | GB | SGMT | Via country |
| FAIR | CANTOR SPREADFAIR | GB | OPRT | Via country |
| FAST | EURONEXT FX | US | OPRT | Via country |
| FBSI | FINECO BANK | IT | OPRT | Via country |
| FCBT | CHICAGO BOARD OF TRADE (FLOOR) | US | SGMT | Via operating MIC |
| FCME | CHICAGO MERCANTILE EXCHANGE (FLOOR) | US | SGMT | Via operating MIC |
| FGEX | KAASUPORSSI - FINNISH GAS EXCHANGE | FI | OPRT | Yes |
| FGML | FINSTREET GLOBAL MARKETS | AE | OPRT | Via country |
| FGMP | FINSTREET GLOBAL MARKETS - PRIVATE MARKET | AE | SGMT | Via country |
| FICO | FINANCIALCONTENT | US | OPRT | Via country |
| FICX | FINANCIAL INFORMATION CONTRIBUTORS EXCHANGE | DE | OPRT | Via country |
| FIED | NASDAQ STOCKHOLM AB - FINNISH EQ DERIVATIVES | SE | SGMT | Yes |
| FINC | FINRA/NASDAQ TRF CHICAGO (TRADE REPORTING FACILITY) | US | SGMT | Via country |
| FINN | FINRA/NASDAQ TRF CARTERET (TRADE REPORTING FACILITY) | US | SGMT | Via country |
| FINO | FINRA ORF (TRADE REPORTING FACILITY) | US | SGMT | Via country |
| FINR | FINRA | US | OPRT | Via country |
| FINY | FINRA/NYSE TRF (TRADE REPORTING FACILITY) | US | SGMT | Via country |
| FISH | FISH POOL ASA | NO | OPRT | Via country |
| FISU | FREIGHT INVESTOR SERVICES LIMITED | GB | OPRT | Via country |
| FLTB | FLOW TRADERS B.V. BONDS | NL | SGMT | Via country |
| FLTR | FLOW TRADERS - SYSTEMATIC INTERNALISER | NL | SGMT | Via country |
| FLWX | FLOW TRADERS | NL | OPRT | Via country |
| FMTS | MTS FRANCE SAS | FR | OPRT | Via country |
| FMXS | FMX SECURITIES | SG | OPRT | Via country |
| FMXX | FMX EXECUTION, LLC | US | OPRT | Via country |
| FNCS | FENICS - US TREASURIES | US | SGMT | Via country |
| FNDF | FMX NON-DELIVERABLE FORWARDS | SG | OPRT | Via country |
| FNDK | FIRST NORTH DENMARK | DK | SGMT | Via operating MIC |
| FNDS | INFRONT FUNDS MARKET | NO | SGMT | Via country |
| FNEE | FIRST NORTH ESTONIA | EE | SGMT | Via operating MIC |
| FNFI | FIRST NORTH FINLAND | FI | SGMT | Via operating MIC |
| FNFT | FENICS FUTURES | US | SGMT | Yes |
| FNFX | FENICS FX ECN | US | SGMT | Via country |
| FNIS | FIRST NORTH ICELAND | IS | SGMT | Via operating MIC |
| FNIX | GFI SECURITIES LLC - FENICS DELTA X | US | SGMT | Via country |
| FNLT | FIRST NORTH LITHUANIA | LT | SGMT | Via operating MIC |
| FNLV | FIRST NORTH LATVIA | LV | SGMT | Via operating MIC |
| FNSE | FIRST NORTH SWEDEN | SE | SGMT | Via operating MIC |
| FNUK | FINANTIA UK LIMITED | GB | OPRT | Via country |
| FNXB | FENICS INVITATIONS | US | SGMT | Via country |
| FPWB | FIRSTPLACE WIENER BOERSE | AT | OPRT | Via country |
| FRAA | BOERSE FRANKFURT - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| FRAB | BOERSE FRANKFURT - FREIVERKEHR | DE | SGMT | Via operating MIC |
| FRAS | BOERSE FRANKFURT - SCALE | DE | SGMT | Via operating MIC |
| FRAU | BOERSE FRANKFURT - REGULIERTERMARKT - OFF-BOOK | DE | SGMT | Via operating MIC |
| FRAV | BOERSE FRANKFURT - FREIVERKEHR - OFF-BOOK | DE | SGMT | Via operating MIC |
| FRAW | BOERSE FRANKFURT - SCALE - OFF-BOOK | DE | SGMT | Via operating MIC |
| FREX | COINBASE DERIVATIVES | US | OPRT | Yes |
| FRTE | FORTE - OTF | GB | OPRT | Via country |
| FSEF | FTSEF LLC | US | OPRT | Via country |
| FSHX | FISHEX | NO | OPRT | Via country |
| FSME | FIRST NORTH FINLAND - SME GROWTH MARKET | FI | SGMT | Via operating MIC |
| FTFM | 42 FINANCIAL SERVICES - MTF | CZ | SGMT | Via country |
| FTFS | 42 FINANCIAL SERVICES | CZ | OPRT | Via country |
| FTRM | TURKISH MERCANTILE EXCHANGE - FUTURES MARKET | TR | SGMT | Via operating MIC |
| FTUS | FLOW TRADERS U.S LLC | US | OPRT | Via country |
| FXAL | FXALL | US | OPRT | Via country |
| FXCL | CLEARCORP DEALING SYSTEMS INDIA LIMITED - FX-CLEAR | IN | SGMT | Via country |
| FXCM | FXCM | US | OPRT | Via country |
| FXEU | SGX FX MARKETS EU | NL | OPRT | Via country |
| FXFM | FINANCIAL AND RISK TRANSACTIONS SERVICES IRELAND LIMITED - FORWARDS MATCHING | IE | SGMT | Via country |
| FXGB | FXCM - MTF | GB | OPRT | Via country |
| FXNM | REFINITIV MATCHING NDFS SEF | US | SGMT | Via country |
| FXOP | TFS VOLBROKER OTF | GB | OPRT | Via country |
| FXPS | REFINITIV SEF REQUEST FOR STREAM | US | SGMT | Via country |
| FXRQ | FINANCIAL AND RISK TRANSACTIONS SERVICES IRELAND LIMITED - FXALL RFQ MTF | IE | SGMT | Via country |
| FXRS | FINANCIAL AND RISK TRANSACTIONS SERVICES IRELAND LIMITED - FXALL RFS MTF | IE | SGMT | Via country |
| FXSM | REFINITIV MATCHING NDFS SINGAPORE | SG | SGMT | Via country |
| FXSW | CLEARCORP DEALING SYSTEMS INDIA LIMITED - FX-SWAP | IN | SGMT | Via country |
| FXUK | SGX FX MARKETS UK | GB | OPRT | Via country |
| G1XX | G1 EXECUTION SERVICES | US | OPRT | Via country |
| G360 | G360 | GB | OPRT | Via country |
| GARA | COINGARAGE | CZ | OPRT | Via country |
| GATE | GATE | MT | OPRT | Via country |
| GBOB | NASDAQ STOCKHOLM AB - OTC GBP WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| GBOT | BOURSE AFRICA LIMITED | MU | OPRT | Via country |
| GBSI | GOODBODY STOCKBROKERS UC | IE | OPRT | Via country |
| GBUL | BULGARIAN STOCK EXCHANGE - SME GROWTH MARKET BEAM | BG | SGMT | Via operating MIC |
| GBWB | NASDAQ STOCKHOLM AB - GBP WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| GEMX | GEMMA (GILT EDGED MARKET MAKERS’ASSOCIATION) | GB | OPRT | Via country |
| GETB | LITHUANIAN NATURAL GAS EXCHANGE | LT | OPRT | Yes |
| GFAM | GFI SECURITIES LLC - ALL MARKETS | US | OPRT | Via country |
| GFAU | GFI AUSTRALIA PTY LTD | AU | OPRT | Via country |
| GFBM | GFI BROKERS - MTF | GB | SGMT | Via country |
| GFBO | GFI BROKERS - OTF | GB | SGMT | Via country |
| GFEX | GUANGZHOU FUTURES EXCHANGE | CN | OPRT | Yes |
| GFIB | GFI BROKERS | GB | OPRT | Via country |
| GFIC | GFI SECURITIES LTD | GB | OPRT | Via country |
| GFIF | GFI FOREXMATCH | GB | SGMT | Via country |
| GFIN | GFI ENERGYMATCH | GB | SGMT | Via country |
| GFIR | GFI RATESMATCH | GB | SGMT | Via country |
| GFKS | GARANTUM FONDKOMMISSION AB | SE | OPRT | Via country |
| GFOX | GLOBAL FUTURES AND OPTIONS LTD | GB | OPRT | Via country |
| GFPO | GFI PARIS - OTF | FR | SGMT | Via country |
| GFSG | GFI SINGAPORE RMO | SG | OPRT | Via country |
| GFSM | GFI SECURITIES LTD - MTF | GB | SGMT | Via country |
| GFSO | GFI SECURITIES LTD - OTF | GB | SGMT | Via country |
| GIPB | GOLDMAN SACHS INTERNATIONAL PARIS BRANCH | FR | OPRT | Via country |
| GLBX | FX SPOT+ | CH | SGMT | Via country |
| GLLC | GATE US LLC | US | OPRT | Via country |
| GLMX | GLMX | US | OPRT | Via country |
| GLOM | GLOMAX EXCHANGE LTD | AE | OPRT | Via country |
| GLPS | ESSEX RADEZ, LLC | US | OPRT | Via country |
| GLPX | ACS EXECUTION SERVICES, LLC | US | OPRT | Via country |
| GMBG | MTF SOFIA - GROWTH MARKET | BG | SGMT | Via country |
| GMEG | GMEX EXCHANGE | GB | OPRT | Via country |
| GMEO | GRIFFIN MARKETS EUROPE - OTF | FR | SGMT | Via country |
| GMES | GRIFFIN MARKETS EUROPE | FR | OPRT | Via country |
| GMGD | GMG DUBAI LIMITED | AE | OPRT | Via country |
| GMGE | GMG EUROPE B.V. | NL | OPRT | Via country |
| GMGL | GMG BROKERS LIMITED | GB | OPRT | Via country |
| GMNI | ISE GEMINI EXCHANGE | US | SGMT | Yes |
| GMTF | GALAXY | FR | OPRT | Via country |
| GOTC | GLOBAL OTC | US | OPRT | Via country |
| GOVX | GOVEX | US | OPRT | Via country |
| GPBC | GPB-FINANCIAL SERVICES LTD | CY | OPRT | Via country |
| GREE | THE GREEN EXCHANGE | US | OPRT | Via country |
| GRIF | GRIFFIN MARKETS LIMITED | GB | OPRT | Via country |
| GRIO | GRIFFIN MARKETS LIMITED - OTF | GB | SGMT | Via country |
| GROW | BME GROWTH MARKET | ES | SGMT | Via country |
| GRSE | THE GREEN STOCK EXCHANGE - ACB IMPACT MARKETS | GB | OPRT | Via country |
| GSAL | GOLDMAN SACHS (ASIA) LLC | HK | OPRT | Via country |
| GSBE | GOLDMAN SACHS BANK EUROPE SE | DE | OPRT | Via country |
| GSBS | GFI SWAPS EXCHANGE, LLC - SECURITY BASED SWAPS | US | SGMT | Via country |
| GSCI | THE GUYANA ASSOCIATION OF SECURITIES COMPANIES AND INTERMEDIARIES INC. | GY | OPRT | – |
| GSCO | GOLDMAN SACHS AND CO. | US | OPRT | Via country |
| GSEF | GFI SWAPS EXCHANGE, LLC | US | OPRT | Via country |
| GSEI | GOLDMAN SACHS BANK EUROPE SE - SYSTEMATIC INTERNALISER | DE | SGMT | Via country |
| GSIB | GOLDMAN SACHS INTERNATIONAL BANK | GB | OPRT | Via country |
| GSIL | GOLDMAN SACHS INTERNATIONAL | GB | OPRT | Via country |
| GSLO | GALLARDO SECURITIES LIMITED | GB | OPRT | Via country |
| GSPL | GS PRINCIPAL LIQUIDITY ASIA | HK | SGMT | Via country |
| GSSI | GOLDMAN SACHS INTERNATIONAL - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| GSXC | GSX CHINA | CN | OPRT | Via country |
| GSXH | GSX HONG KONG | HK | SGMT | Via country |
| GSXK | GSX KOREA | KR | OPRT | Via country |
| GSXL | THE GIBRALTAR STOCK EXCHANGE | GI | OPRT | – |
| GSXM | GSX MICRO | HK | SGMT | Via country |
| GSXN | GSX NATURAL | HK | OPRT | Via country |
| GSXT | GSX TAIWAN | TW | OPRT | Via country |
| GTCO | KCG AMERICAS LLC | US | OPRT | Via country |
| GTSM | GTS SECURITIES | US | OPRT | Via country |
| GTSX | GTSX | US | OPRT | Via country |
| GTXE | GTX ECN | BM | OPRT | Via country |
| GXIL | GOLDMAN SACHS INTERNAL LIQUIDITY (GSX-IL) | JP | OPRT | Via country |
| GXMA | GX MARKETCENTER | VU | OPRT | – |
| HAMA | BOERSE HAMBURG - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| HAMB | BOERSE HAMBURG - FREIVERKEHR | DE | SGMT | Via operating MIC |
| HAMM | BOERSE HAMBURG - LANG AND SCHWARZ EXCHANGE - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| HAMN | BOERSE HAMBURG - LANG AND SCHWARZ EXCHANGE - FREIVERKEHR | DE | SGMT | Via operating MIC |
| HAMO | BOERSE HAMBURG - ELECTRONIC TRADING | DE | SGMT | Via operating MIC |
| HAMP | BOERSE HAMBURG - REGULIERTER MARKT - ELECTRONIC TRADING | DE | SGMT | Via operating MIC |
| HAMQ | BOERSE HAMBURG - FREIVERKEHR - ELECTRONIC TRADING | DE | SGMT | Via operating MIC |
| HAMX | BOERSE HAMBURG - ELECTRONIC TRADING 2 | DE | SGMT | Via operating MIC |
| HAMY | BOERSE HAMBURG - ELECTRONIC TRADING 2 - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| HAMZ | BOERSE HAMBURG - ELECTRONIC TRADING 2 - FREIVERKEHR | DE | SGMT | Via operating MIC |
| HANA | BOERSE HANNOVER - REGULIERTER MARKT | DE | SGMT | Via country |
| HANB | BOERSE HANNOVER - FREIVERKEHR | DE | SGMT | Via country |
| HANC | BOERSE HANNOVER - REGULIERTER MARKT -EUROPEAN INVESTOR EXCHANGE | DE | SGMT | Via country |
| HAND | BOERSE HANNOVER - FREIVERKEHR - EUROPEAN INVESTOR EXCHANGE | DE | SGMT | Via country |
| HANE | BOERSE HANNOVER - EUROPEAN INVESTOR EXCHANGE | DE | SGMT | Via country |
| HBFR | HSBC CONTINENTAL EUROPE | FR | OPRT | Via country |
| HBPL | HSBC BANK POLSKA S.A. | PL | OPRT | Via country |
| HCER | VORVEL CERTIFICATES | IT | SGMT | Via country |
| HCHC | ICE CLEAR NETHERLANDS B.V. | NL | OPRT | Via country |
| HDAT | ELECTRONIC SECONDARY SECURITIES MARKET (HDAT) | GR | OPRT | Via country |
| HEDE | HENEX FINANCIAL ENERGY MARKET - DERIVATIVES MARKET | GR | SGMT | Yes |
| HEGX | NADEX | US | OPRT | Via country |
| HELA | HELABA | DE | OPRT | Via country |
| HEMO | HENEX S.A. | GR | OPRT | Via country |
| HESP | HENEX ELECTRICITY SPOT MARKET | GR | SGMT | Yes |
| HGSP | HENEX GAS SPOT MARKET | GR | SGMT | Yes |
| HMOD | VORVEL EQUITY AUCTION | IT | SGMT | Via country |
| HMTF | VORVEL BONDS | IT | OPRT | Via country |
| HPCO | HPC ETRADING | FR | SGMT | Via country |
| HPCS | HPC ENERGY TRADING | FR | SGMT | Via country |
| HPCV | HPC SA - VOICE OTF | FR | SGMT | Via country |
| HPCX | HPC SA | FR | OPRT | Via country |
| HPPO | POTAMUS TRADING LLC | US | OPRT | Via country |
| HPSO | HPC OTF - UK ETRADING PLATFORM | GB | SGMT | Via country |
| HPSX | HPC OTF | GB | OPRT | Via country |
| HREU | HRTEU LIMITED | IE | OPRT | Via country |
| HRFQ | VORVEL RFQ | IT | SGMT | Via country |
| HRSI | HUDSON RIVER TRADING - SYSTEMATIC INTERNALISER | GB | OPRT | Via country |
| HRTF | HUDSON RIVER TRADING (HRT) | US | OPRT | Via country |
| HRTX | HUDSON RIVER TRADING | US | OPRT | Via country |
| HSBC | HSBC | GB | OPRT | Via country |
| HSBT | HSBC TRINKAUS AND BURKHARDT AG | DE | OPRT | Via country |
| HSFX | CBOE FX | US | OPRT | Via country |
| HSTC | HANOI STOCK EXCHANGE | VN | OPRT | Yes |
| HSXA | HSBC-X HONG KONG | HK | OPRT | Via country |
| HUPX | HUNGARIAN POWER EXCHANGE | HU | OPRT | Yes |
| HWHE | HWH ENERGIMEGLING | NO | OPRT | Via country |
| IATS | IBKR ATS | US | SGMT | Via country |
| IBAL | ICE BENCHMARK ADMINISTRATION | GB | OPRT | Via country |
| IBCO | INTERACTIVE BROKERS CORP | US | OPRT | Via country |
| IBEQ | INVEST BANCA - IBIS EQUITY | IT | SGMT | Via country |
| IBER | IBERCAJA BANCO SA | ES | OPRT | Via country |
| IBEX | INDEPENDENT BULGARIAN ENERGY EXCHANGE | BG | OPRT | Yes |
| IBGH | IBERIAN GAS HUB | ES | OPRT | Via country |
| IBIS | INVEST BANCA | IT | OPRT | Via country |
| IBKR | INTERACTIVE BROKERS LLC | US | OPRT | Via country |
| IBSC | ICE BONDS SECURITIES CORPORATION | US | OPRT | Via country |
| IBSI | INTERACTIVE BROKERS | IE | OPRT | Via country |
| IBUL | BULGARIAN STOCK EXCHANGE - INTERNATIONAL INSTRUMENTS | BG | SGMT | Via operating MIC |
| ICBX | INSTINET CBX (US) | US | SGMT | Via country |
| ICDX | INDONESIA COMMODITY AND DERIVATIVES EXCHANGE | ID | OPRT | Via country |
| ICES | ICE SWAP TRADE LLC | US | OPRT | Via country |
| ICFX | ICF MARKETS | DE | OPRT | Via country |
| ICHK | NOMURA ICE - HK | JP | SGMT | Via country |
| ICKR | NOMURA ICE - KR | JP | SGMT | Via country |
| ICOD | ICAP EU - ICAP CREDIT ON-DEMAND | FR | SGMT | Via country |
| ICOR | ICAP EU - OTF - REGISTRATION | FR | SGMT | Via country |
| ICOT | ICAP EU - OTF | FR | OPRT | Via country |
| ICPM | TP ICAP UK MTF | GB | OPRT | Via country |
| ICPS | ICAP SINGAPORE RMO | SG | OPRT | Via country |
| ICRO | INSTINET VWAP CROSS | US | SGMT | Via country |
| ICSH | NOMURA ICE - SH | JP | SGMT | Via country |
| ICSZ | NOMURA ICE - SZ | JP | SGMT | Via country |
| ICTW | NOMURA ICE - TW | JP | SGMT | Via country |
| IDXM | IDX MARKETS, LLC | US | OPRT | Via country |
| IEBS | EBS MTF - RFQ - FX PRODUCTS FOR ASSET MANAGERS | NL | SGMT | Via country |
| IECL | TP ICAP E. AND C. OTF – ICAP COMMODITIES AND ENERGY DERIVATIVES | GB | SGMT | Via country |
| IEOS | IBKR EOS ATS | US | SGMT | Via country |
| IEPA | INTERCONTINENTAL EXCHANGE | US | SGMT | Via operating MIC |
| IEXA | IEX DAP LLC | US | OPRT | Via country |
| IEXC | INVESTORS EXCHANGE - DAX FACILITY | US | SGMT | Via country |
| IEXD | INVESTORS EXCHANGE - DARK | US | SGMT | Via country |
| IEXG | INVESTORS EXCHANGE | US | OPRT | Via country |
| IEXO | IEX OPTIONS LLC | US | SGMT | Yes |
| IFAD | ICE FUTURES ABU DHABI | AE | OPRT | Yes |
| IFBX | IRAN FARA BOURSE | IR | OPRT | – |
| IFED | ICE FUTURES U.S. ENERGY DIVISION | US | SGMT | Via operating MIC |
| IFEN | ICE FUTURES EUROPE - OIL AND REFINED PRODUCTS DIVISION | GB | SGMT | Via operating MIC |
| IFEU | ICE FUTURES EUROPE | GB | OPRT | Yes |
| IFFX | INFRONT FX MARKET | NO | SGMT | Via country |
| IFLL | ICE FUTURES EUROPE - FINANCIAL PRODUCTS DIVISION | GB | SGMT | Via operating MIC |
| IFLO | ICE FUTURES EUROPE - EQUITY PRODUCTS DIVISION | GB | SGMT | Via operating MIC |
| IFLS | SWAPXECUTE | GB | OPRT | Via country |
| IFLX | ICE FUTURES EUROPE - AGRICULTURAL PRODUCTS DIVISION | GB | SGMT | Via operating MIC |
| IFSG | ICE FUTURES SINGAPORE | SG | OPRT | Yes |
| IFSM | INSTITUTIONAL FINANCIAL SECURITIES MARKET | MT | SGMT | Via operating MIC |
| IFUS | ICE FUTURES U.S. | US | OPRT | Yes |
| IFUT | ICE FUTURES EUROPE - EUROPEAN UTILITIES DIVISION | GB | SGMT | Via operating MIC |
| IGDL | ICAP GLOBAL DERIVATIVES LIMITED | GB | OPRT | Via country |
| IINX | INDIA INTERNATIONAL EXCHANGE (IFSC) LIMITED | IN | OPRT | Yes |
| IKBS | IKB DEUTSCHE INDUSTRIEBANK AG | DE | OPRT | Via country |
| IMAG | ICE MARKETS AGRICULTURE | US | SGMT | Via operating MIC |
| IMBD | ICE MARKETS BONDS | US | SGMT | Via operating MIC |
| IMCC | ICE CREDIT TRADE | US | SGMT | Via country |
| IMCE | TP ICAP UK MTF - CASH EQUITY | GB | SGMT | Via country |
| IMCG | CREDITEX LLC | US | SGMT | Via operating MIC |
| IMCO | ICE ENDEX OTF FUTURES | NL | SGMT | Via operating MIC |
| IMCR | ICE MARKETS CREDIT | US | SGMT | Via operating MIC |
| IMCS | IMC FINANCIAL MARKETS | US | OPRT | Via country |
| IMCT | IMC | NL | OPRT | Via country |
| IMED | TP ICAP UK MTF - EQUITY DERIVATIVES | GB | SGMT | Via country |
| IMEN | ICE MARKETS ENERGY | US | SGMT | Via operating MIC |
| IMEQ | ICE MARKETS EQUITY | NL | SGMT | Via operating MIC |
| IMET | TP ICAP UK MTF - EXCHANGE TRADED PRODUCTS | GB | SGMT | Via country |
| IMEX | IRAN MERCANTILE EXCHANGE | IR | OPRT | – |
| IMFD | TP ICAP UK MTF - FX DERIVATIVES | GB | SGMT | Via country |
| IMFX | ICE MARKETS FOREIGN EXCHANGE | US | SGMT | Via operating MIC |
| IMGB | TP ICAP UK MTF - GOVERNMENT BONDS EXCLUDING GILTS | GB | SGMT | Via country |
| IMGI | TP ICAP UK MTF - GILTS | GB | SGMT | Via country |
| IMIR | ICE MARKETS RATES | US | SGMT | Via operating MIC |
| IMMH | IMMH - INTESA SANPAOLO | IT | OPRT | Via country |
| IMMM | TP ICAP UK MTF - MONEY MARKET INSTRUMENTS | GB | SGMT | Via country |
| IMRD | TP ICAP UK MTF - INTEREST RATE DERIVATIVES | GB | SGMT | Via country |
| IMSB | TP ICAP UK MTF - CORPORATE BONDS AND SECURITIES DEBT | GB | SGMT | Via country |
| IMTF | INTEGRAL MTF | GB | OPRT | Via country |
| INCA | INSTINET DESK CROSS | US | SGMT | Via country |
| INCC | CIX INTELLIGENTCROSS MIDPOINT | CA | OPRT | Via country |
| INCR | INTELLIGENTCROSS | US | OPRT | Via country |
| INFT | INFRONT MARKETS | NO | OPRT | Via country |
| INGB | ING BANK NV | NL | OPRT | Via country |
| INGE | ING BANK NV - SPRINTERS | NL | SGMT | Via country |
| INGS | ING BANK NV - EQUITY | NL | SGMT | Via country |
| INGU | ING BANK NV - LONDON BRANCH | GB | OPRT | Via country |
| INGW | ING BANK SLASKI SA | PL | OPRT | Via country |
| INSE | NSE IFSC LIMITED | IN | SGMT | Yes |
| INSR | INTELLIGENTCROSS - ALPS | US | SGMT | Via country |
| INTL | STONEX FINANCIAL INC. | US | OPRT | Via country |
| INVE | INVESTEC BANK PLC | GB | OPRT | Via country |
| IOCD | TP ICAP UK OTF - CREDIT DERIVATIVES ICAP | GB | SGMT | Via country |
| IOED | TP ICAP UK OTF - EQUITY DERIVATIVES ICAP | GB | SGMT | Via country |
| IOFI | TP ICAP UK OTF - CORPORATE BONDS AND SECURITISED DEBT ICAP | GB | SGMT | Via country |
| IOGB | TP ICAP UK OTF - GOVERNMENT BONDS EXCLUDING UK GILTS ICAP | GB | SGMT | Via country |
| IOGI | TP ICAP UK OTF - GOVERNMENT BONDS - UK GILTS ICAP | GB | SGMT | Via country |
| IOIR | TP ICAP UK OTF - INTEREST RATE DERIVATIVES ICAP | GB | SGMT | Via country |
| IOTC | INSTINET EUROPE LIMITED OTC | GB | SGMT | Via country |
| IOTF | TP ICAP UK OTF | GB | OPRT | Via country |
| ISBA | BANCA DI ASTI | IT | OPRT | Via country |
| ISDA | ISDAFIX | US | OPRT | Via country |
| ISEX | INTER-CONNECTED STOCK EXCHANGE OF INDIA LTD | IN | OPRT | Via country |
| ISSI | ICBC STANDARD BANK | GB | OPRT | Via country |
| ISWA | ISWAP UK MTF | GB | OPRT | Via country |
| ISWB | ISWAP UK MTF - TRADE REGISTRATION | GB | SGMT | Via country |
| ISWC | ISWAP UK MTF ORDER BOOK | GB | SGMT | Via country |
| ISWE | ICAP GLOBAL DERIVATIVES LIMITED - ELECTRONIC | GB | SGMT | Via country |
| ISWN | ISWAP EURO MTF - TRADE REGISTRATION | NL | SGMT | Via country |
| ISWO | ISWAP EURO MTF - ORDERBOOK | NL | SGMT | Via country |
| ISWP | ISWAP EURO MTF | NL | OPRT | Via country |
| ISWQ | ISWAP EURO MTF - SEF | NL | SGMT | Via country |
| ISWR | ISWAP UK MTF TARGETED STREAMING/RFQ | GB | SGMT | Via country |
| ISWT | ISWAP EURO MTF - TARGETED STREAMING / RFQ | NL | SGMT | Via country |
| ISWV | ICAP GLOBAL DERIVATIVES LIMITED - VOICE | GB | SGMT | Via country |
| ITGI | POSIT | US | OPRT | Via country |
| ITGL | POSIT MTF | IE | OPRT | Via country |
| ITSL | INTERNATIONAL TRADING SYSTEM (ITS) | KZ | OPRT | Via country |
| IUOB | TP ICAP UK OTF - ORDERBOOK ICAP | GB | SGMT | Via country |
| IVCM | TP ICAP UK OTF - EQUITY DERIVATIVES VCM | GB | SGMT | Via country |
| IVWP | INTELLIGENTCROSS - VWAP CROSS | US | SGMT | Via country |
| IVZX | INVESCO CANADA PTF TRADES | CA | OPRT | Via country |
| JADX | JOINT ASIAN DERIVATIVES EXCHANGE | SG | OPRT | Via country |
| JBSI | JYSKE BANK | DK | OPRT | Via country |
| JBUL | BULGARIAN STOCK EXCHANGE - INTERNATIONAL MTF | BG | SGMT | Via operating MIC |
| JCEX | JUICEX | US | OPRT | Via country |
| JEFA | JEFFERIES ASIA | JP | OPRT | Via country |
| JEFB | INTELLIGENTCROSS - JEFB | US | SGMT | Via country |
| JEFE | JEFFERIES EUROPE | DE | OPRT | Via country |
| JEFS | JEFFERIES INTERNATIONAL - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| JESI | JEFFERIES EUROPE - SYSTEMATIC INTERNALISER | DE | SGMT | Via country |
| JISI | JEFFERIES INTERNATIONAL | GB | OPRT | Via country |
| JLEQ | JUMP TRADING - US EQUITY PLATFORM | US | SGMT | Via country |
| JLEU | JUMP TRADING EU EQUITY PLATFORM | NL | OPRT | Via country |
| JLQD | JUMP TRADING - MULTI-ASSET PLATFORM | US | OPRT | Via country |
| JNSI | JANE STREET NETHERLANDS B.V. | NL | OPRT | Via country |
| JNST | JANE STREET CAPITAL, LLC | US | OPRT | Via country |
| JPBX | JPBX | US | OPRT | Via country |
| JPCB | JPMORGAN CHASE BANK N.A. LONDON BRANCH | GB | OPRT | Via country |
| JPEU | J.P. MORGAN SE | DE | OPRT | Via country |
| JPJX | JP JENKINS | GB | OPRT | Via country |
| JPMI | JP MORGAN - JPMI MARKET | HK | OPRT | Via country |
| JPMS | JPMS, LLC | US | OPRT | Via country |
| JPMX | JPMX | US | OPRT | Via country |
| JPPM | JP JENKINS - PRIVATE MARKET | GB | SGMT | Via country |
| JPSI | J.P. MORGAN SECURITIES PLC | GB | OPRT | Via country |
| JSEB | JSE BOND ELECTRONIC TRADING PLATFORM | ZA | SGMT | Via operating MIC |
| JSER | JSE REPO MARKET | ZA | SGMT | Via operating MIC |
| JSES | JANE STREET EXECUTION SERVICES LLC | US | OPRT | Via country |
| JSJX | JANE STREET JX | US | OPRT | Via country |
| JSSI | JANE STREET FINANCIAL LTD | GB | OPRT | Via country |
| JYSI | DEN JYSKE SPAREKASSE | DK | OPRT | Via country |
| KAIX | CBOE JAPAN - KAI-X | JP | SGMT | Via country |
| KASH | DOWGATE APPA | GB | SGMT | Via country |
| KBCB | KBC BANK NV GROUP MARKETS | BE | OPRT | Via country |
| KBLC | QUINTET PRIVATE BANK (EUROPE) S.A. - EURO COMMERCIAL PAPERS | LU | SGMT | Via country |
| KBLL | QUINTET PRIVATE BANK (EUROPE) S.A. | LU | OPRT | Via country |
| KBLM | KYTE BROKING LIMITED | GB | OPRT | Via country |
| KBLS | QUINTET PRIVATE BANK (EUROPE) S.A. - STRUCTURED PRODUCTS | LU | SGMT | Via country |
| KBLT | QUINTET PRIVATE BANK (EUROPE) S.A. - FX TREASURY DERIVATIVES | LU | SGMT | Via country |
| KCCP | KELER CCP | HU | OPRT | Via country |
| KELR | KELER | HU | OPRT | Via country |
| KHHU | K AND H BANK ZRT | HU | OPRT | Via country |
| KLEU | KNIGHT LINK EUROPE | GB | OPRT | Via country |
| KLSH | KALSHIEX LLC | US | OPRT | Yes |
| KMUX | ZURCHER KANTONALBANK - EKMU-X | CH | SGMT | Via country |
| KNCM | KNIGHT CAPITAL MARKETS LLC | US | SGMT | Via country |
| KNEM | KNIGHT EQUITY MARKETS LP | US | SGMT | Via country |
| KNIG | KNIGHT | US | OPRT | Via country |
| KNLI | KNIGHT LINK | US | SGMT | Via country |
| KOME | KOMERCNI BANKA, A.S. | CZ | OPRT | Via country |
| KRDE | KRAKEN DERIVATIVES EXCHANGE | US | OPRT | Via country |
| KRME | PAYWARD MENA HOLDINGS LTD. | AE | OPRT | Via country |
| LAKE | RBC CAPITAL MARKETS LLC - HOSTED POOL | US | SGMT | Via country |
| LAKX | RBC CAPITAL MARKETS LLC - TRAJECTORY CROSS | US | OPRT | Via country |
| LAMP | LAMPOST CAPITAL | US | OPRT | Via country |
| LASF | LATAM SEF | US | OPRT | Via country |
| LASP | LAN AND SPAR BANK A/S | DK | OPRT | Via country |
| LATG | GFI SECURITIES LLC - CREDITMATCH (LATG) | US | SGMT | Via country |
| LBBW | LBBW - LANDESBANK BADEN-WUERTTEMBERG | DE | OPRT | Via country |
| LBCM | LLOYDS BANK CORPORATE MARKETS | GB | OPRT | Via country |
| LBCW | LLOYDS BANK CORPORATE MARKETS WERTPAPIERHANDELSBANK GMBH | DE | OPRT | Via country |
| LBUL | BULGARIAN STOCK EXCHANGE - SBL | BG | SGMT | Via operating MIC |
| LBWL | LBBW - LANDESBANK BADEN-WUERTTEMBERG - LIQUIDITY PROVIDER | DE | SGMT | Via country |
| LBWS | LBBW - LANDESBANK BADEN-WUERTTEMBERG - SYSTEMATIC INTERNALISER | DE | SGMT | Via country |
| LCHC | LCH.CLEARNET | FR | OPRT | Via country |
| LCUR | CURRENEX LDFX | US | SGMT | Via country |
| LCXE | LCX | LI | OPRT | – |
| LEBV | LEDGEREDGE B.V. | NL | OPRT | Via country |
| LELE | LEDGEREDGE | GB | OPRT | Via country |
| LESI | LEDGEREDGE SECURITIES INC. | US | OPRT | Via country |
| LEVL | LEVEL ATS | US | OPRT | Via country |
| LICA | LIQUIDNET CANADA ATS | CA | OPRT | Via country |
| LIDR | PT LSEG - CLEARED IDR MATCHING | ID | OPRT | Via country |
| LIFI | LIQUIDNET, INC. FIXED INCOME ATS | US | SGMT | Via country |
| LIGA | LIGA BANK EG | DE | OPRT | Via country |
| LINX | LINX | LI | OPRT | – |
| LIQF | TP ICAP UK MTF - LIQUIDNET CORPORATE BONDS AND SECURITIES DEBT | GB | SGMT | Via country |
| LIQU | TP ICAP UK MTF - LIQUIDNET CASH EQUITY | GB | SGMT | Via country |
| LISE | LISE | FR | OPRT | Via country |
| LISG | LISE - GROWTH SEGMENT | FR | SGMT | Via country |
| LISS | LISE - STANDARD SEGMENT | FR | SGMT | Via country |
| LISX | CBOE EUROPE - LIS SERVICE | GB | SGMT | Via country |
| LISZ | CBOE EUROPE - LIS SERVICE (NL) | NL | SGMT | Via country |
| LIUH | LIQUIDNET, INC. H2O ATS | US | SGMT | Via country |
| LIUS | LIQUIDNET, INC. | US | OPRT | Via country |
| LLAT | LIECHTENSTEINISCHE LANDESBANK (OSTERREICH) AG | AT | OPRT | Via country |
| LMAD | LMAX - DERIVATIVES | GB | SGMT | Via country |
| LMAE | LMAX - EQUITIES | GB | SGMT | Via country |
| LMAF | LMAX - FX AND CASH-SETTLED DERIVATIVES | GB | SGMT | Via country |
| LMAO | LMAX - INDICES/RATES/COMMODITIES | GB | SGMT | Via country |
| LMAS | LMAX EXCHANGE SINGAPORE - NDFS | SG | OPRT | Via country |
| LMAX | LMAX | GB | OPRT | Via country |
| LMEC | LME CLEAR | GB | OPRT | Via country |
| LMNR | LUMINOR BANK AS | EE | OPRT | Via country |
| LMNX | LUMINEX TRADING AND ANALYTICS LLC - ATS | US | SGMT | Via country |
| LNEQ | TP ICAP EU - MTF - LIQUIDNET EU EQUITY | FR | SGMT | Via country |
| LNFI | TP ICAP EU - MTF - LIQUIDNET EU FIXED INCOME | FR | SGMT | Via country |
| LOOP | LOOPFX | GB | OPRT | Via country |
| LOTC | OTC MARKET | GB | OPRT | Via country |
| LOYD | LLOYDS BANK | GB | OPRT | Via country |
| LPPM | LONDON PLATINUM AND PALLADIUM MARKET | GB | OPRT | Via country |
| LPSF | LPSFX LLC | US | OPRT | Via country |
| LQED | LIQUIDITYEDGE | US | OPRT | Via country |
| LSSI | LANG AND SCHWARZ TRADE CENTER | DE | OPRT | Via country |
| LTAA | LUMINEX TRADING AND ANALYTICS LLC | US | OPRT | Via country |
| LTSE | LONG-TERM STOCK EXCHANGE, INC. | US | OPRT | Via country |
| LXJP | BARCLAYS LX JAPAN | JP | OPRT | Via country |
| LYNX | LYNX ATS | CA | SGMT | Via country |
| M2AE | M2 LIMITED | AE | OPRT | Via country |
| MABX | BME MTF EQUITY (IIC AND ECR SEGMENTS) | ES | SGMT | Via country |
| MACB | MACQUARIE AUSTRALIA BLOCK CROSSING | AU | SGMT | Via country |
| MAEL | MARKETAXESS EUROPE LIMITED | GB | OPRT | Via country |
| MAKX | MAKOR SECURITIES LONDON LTD | GB | OPRT | Via country |
| MALX | MALDIVES STOCK EXCHANGE | MV | OPRT | Yes |
| MANL | MARKETAXESS NL B.V. | NL | OPRT | Via country |
| MAQE | MACQUARIE BANK EUROPE DESIGNATED ACTIVITY COMPANY | IE | OPRT | Via country |
| MAQH | MACQUARIE INTERNAL MARKETS (HONG KONG) | HK | OPRT | Via country |
| MAQI | MACQUARIE BANK INTERNATIONAL LIMITED | GB | OPRT | Via country |
| MAQJ | MACQUARIE INTERNAL MARKETS (JAPAN) | JP | OPRT | Via country |
| MAQL | MACQUARIE CAPITAL EUROPE LIMITED | GB | OPRT | Via country |
| MAQU | MACQUARIE BANK LIMITED, LONDON BRANCH | GB | OPRT | Via country |
| MAQX | MACQUARIE INTERNAL MARKETS (AUSTRALIA) | AU | OPRT | Via country |
| MARF | MERCADO ALTERNATIVO DE RENTA FIJA (MARF) | ES | SGMT | Via country |
| MASG | MARKETAXESS SINGAPORE PTE LIMITED | SG | OPRT | Via country |
| MATN | CBOE CANADA - MATCHNOW | CA | SGMT | Via country |
| MATX | MATRIX LIMITED | AE | OPRT | Via country |
| MAXD | MAX MARKETS LIMITED | GB | OPRT | Via country |
| MBPL | MBANK S.A. | PL | OPRT | Via country |
| MBSI | MORGAN STANLEY BANK INTERNATIONAL LIMITED - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| MBUL | MTF SOFIA | BG | OPRT | Via country |
| MCAD | MTS CASH DOMESTIC - MTF | IT | SGMT | Via country |
| MCID | MACQUARIE CAPITAL (IRELAND) | IE | OPRT | Via country |
| MCRY | ISE MERCURY, LLC | US | SGMT | Yes |
| MCSE | NASDAQ COPENHAGEN A/S - AUCTION ON DEMAND | DK | SGMT | Via operating MIC |
| MCXX | METROPOLITAN STOCK EXCHANGE OF INDIA LIMITED | IN | OPRT | Via country |
| MDRV | MIBGAS - DERIVATIVES | ES | SGMT | Yes |
| MELO | NASDAQ MIDPOINT-ELO (M-ELO) | US | SGMT | Via operating MIC |
| MEMD | MEMX LLC DARK | US | SGMT | Via country |
| MEMM | MEMX LLC RETAIL MIDPOINT | US | SGMT | Via country |
| MEMX | MEMX LLC EQUITIES | US | SGMT | Via country |
| MEPX | MONTENEGRIN POWER EXCHANGE | ME | OPRT | Via country |
| MERD | MERKUR MARKET - DARK POOL | NO | SGMT | Via operating MIC |
| MERF | MERCADO ELECTRONICO DE RENTA FIJA | ES | SGMT | Via country |
| MERK | EURONEXT GROWTH - OSLO | NO | SGMT | Via operating MIC |
| MESI | MORGAN STANLEY EUROPE S.E. - SYSTEMATIC INTERNALISER | DE | SGMT | Via country |
| MESQ | ACE MARKET | MY | SGMT | Via operating MIC |
| METZ | MET ZURICH | GB | OPRT | Via country |
| MFGL | MF GLOBAL ENERGY MTF | GB | OPRT | Via country |
| MFOX | EURONEXT - MERCADO DE FUTUROS E OPÇÕES | PT | SGMT | Via operating MIC |
| MFXA | FX CONNECT - MTF - ALLOCATIONS | GB | SGMT | Via country |
| MFXC | FX CONNECT - MTF | GB | OPRT | Via country |
| MFXR | FX CONNECT - MTF - RFQ | GB | SGMT | Via country |
| MHBD | MIZUHO BANK, LTD. DUESSELDORF BRANCH | DE | OPRT | Via country |
| MHBE | MIZUHO BANK EUROPE N.V. | NL | OPRT | Via country |
| MHBP | MIZUHO BANK LTD. - PARIS BRANCH | FR | OPRT | Via country |
| MHEL | NASDAQ HELSINKI LTD - AUCTION ON DEMAND | FI | SGMT | Via operating MIC |
| MHEU | MIZUHO SECURITIES EUROPE | DE | OPRT | Via country |
| MIBG | MERCADO ORGANIZADO DEL GAS | ES | OPRT | Yes |
| MICE | NASDAQ ICELAND HF. - AUCTION ON DEMAND | IS | SGMT | Via operating MIC |
| MIDC | MIDCHAINS | AE | OPRT | Via country |
| MIHI | MIAMI INTERNATIONAL HOLDINGS, INC. | US | OPRT | Via country |
| MISX | MOSCOW EXCHANGE - ALL MARKETS | RU | OPRT | Via country |
| MIVX | EURONEXT MIV MILAN | IT | SGMT | Via operating MIC |
| MIZX | MIZUHO INTERNAL CROSSING | JP | OPRT | Via country |
| MKAA | MARKETAXESS ATS | US | SGMT | Via country |
| MKAP | MERITKAPITAL | CY | OPRT | Via country |
| MKTF | MARKET SECURITIES (FRANCE) SA | FR | OPRT | Via country |
| MLCO | BANK OF AMERICA - MERRILL LYNCH OTC | US | SGMT | Via country |
| MLER | BOFA SECURITIES EUROPE - RFQ | FR | SGMT | Via country |
| MLES | BOFA SECURITIES EUROPE - SYSTEMATIC INTERNALISER | FR | SGMT | Via country |
| MLEX | BOFA SECURITIES EUROPE | FR | OPRT | Via country |
| MLIX | MERRILL LYNCH INTERNATIONAL | GB | OPRT | Via country |
| MLRQ | MERRILL LYNCH INTERNATIONAL - RFQ | GB | SGMT | Via country |
| MLSI | MERRILL LYNCH INTERNATIONAL - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| MLVX | BANK OF AMERICA - MERRILL LYNCH VWAP CROSS | US | SGMT | Via country |
| MLXB | EURONEXT ACCESS BRUSSELS | BE | SGMT | Via operating MIC |
| MNDK | FIRST NORTH DENMARK - AUCTION ON DEMAND | DK | SGMT | Via operating MIC |
| MNFI | FIRST NORTH FINLAND - AUCTION ON DEMAND | FI | SGMT | Via operating MIC |
| MNIS | FIRST NORTH ICELAND - AUCTION ON DEMAND | IS | SGMT | Via operating MIC |
| MNSE | FIRST NORTH SWEDEN - AUCTION ON DEMAND | SE | SGMT | Via operating MIC |
| MOAT | MOSAIC ATS | US | OPRT | Via country |
| MOCX | MOC CROSS | US | SGMT | Via country |
| MOON | MOON | US | OPRT | Via country |
| MOSE | FIRST NORTH SWEDEN - NORWAY AUCTION ON DEMAND | SE | SGMT | Via operating MIC |
| MOTX | ELECTRONIC BOND MARKET | IT | SGMT | Via operating MIC |
| MPRL | MIAX PEARL, LLC | US | SGMT | Yes |
| MSAB | MORGAN STANLEY CLOSING CROSS | US | SGMT | Via country |
| MSAL | MORGAN STANLEY AUSTRALIA SECURITIES LIMITED | AU | OPRT | Via country |
| MSBI | MORGAN STANLEY BANK INTERNATIONAL LIMITED | GB | OPRT | Via country |
| MSCO | MORGAN STANLEY AND CO. LLC | US | OPRT | Via country |
| MSDM | MICHAEL/STROM DOM MAKLERSKI SPOLKA AKCYJNA | PL | OPRT | Via country |
| MSEL | MAREX SPECTRON EUROPE LIMITED - OTF | IE | OPRT | Via country |
| MSEU | MORGAN STANLEY EUROPE S.E. | DE | OPRT | Via country |
| MSIP | MORGAN STANLEY AND CO. INTERNATIONAL PLC | GB | OPRT | Via country |
| MSLC | MS LONG CROSS | US | SGMT | Via country |
| MSMS | MORGAN STANLEY MUFG SECURITIES CO., LTD | JP | OPRT | Via country |
| MSPL | MS POOL | US | SGMT | Via country |
| MSRP | MS RPOOL | US | SGMT | Via country |
| MSSA | MAREX SPECTRON - OTF | FR | SGMT | Via country |
| MSSI | MORGAN STANLEY AND CO. INTERNATIONAL PLC - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| MSTO | NASDAQ STOCKHOLM AB - AUCTION ON DEMAND | SE | SGMT | Via operating MIC |
| MSTX | MS TRAJECTORY CROSS | US | SGMT | Via country |
| MSXB | MUSCAT STOCK EXCHANGE - BOOK BUILDING | OM | SGMT | Via operating MIC |
| MSXO | MUSCAT STOCK EXCHANGE – NON-LISTED INSTRUMENTS | OM | SGMT | Via operating MIC |
| MTAA | EURONEXT MILAN | IT | SGMT | Via operating MIC |
| MTAH | BORSA ITALIANA - TRADING AFTER HOURS | IT | SGMT | Via operating MIC |
| MTCH | BONDMATCH | FR | SGMT | Via operating MIC |
| MTSC | MTS ITALIA | IT | SGMT | Via country |
| MTSD | MTS DENMARK | BE | SGMT | Via country |
| MTSF | MTS FINLAND | BE | SGMT | Via country |
| MTSO | MTS S.P.A. | IT | OPRT | Via country |
| MTXA | MARKETAXESS CANADA COMPANY | US | SGMT | Via country |
| MTXC | MARKETAXESS CORPORATION SINGLE-NAME CDS CENTRAL LIMIT ORDER | US | SGMT | Via country |
| MTXM | MARKETAXESS CORPORATION MID-X TRADING SYSTEM | US | SGMT | Via country |
| MTXS | MARKETAXESS SEF CORPORATION | US | SGMT | Via country |
| MTXX | MARKETAXESS CORPORATION | US | OPRT | Via country |
| MUBE | MUFG BANK (EUROPE) N.V. | NL | OPRT | Via country |
| MUBL | MUFG BANK, LTD. - LONDON BRANCH | GB | OPRT | Via country |
| MUBM | MUFG BANK, LTD. - MILANO BRANCH | IT | OPRT | Via country |
| MUBP | MUFG BANK, LTD. - PARIS BRANCH | FR | OPRT | Via country |
| MUDX | MITSUBISHI DIAMOND CROSSING | JP | OPRT | Via country |
| MUFP | MARIANA UFP LLP | GB | OPRT | Via country |
| MUNA | BOERSE MUENCHEN - REGULIERTER MARKT | DE | SGMT | Via country |
| MUNB | BOERSE MUENCHEN - FREIVERKEHR | DE | SGMT | Via country |
| MUNC | BOERSE MUENCHEN - GETTEX - REGULIERTER MARKT | DE | SGMT | Via country |
| MUND | BOERSE MUENCHEN - GETTEX - FREIVERKEHR | DE | SGMT | Via country |
| MUSE | MUFG SECURITIES EMEA PLC | GB | OPRT | Via country |
| MUSN | MUFG SECURITIES (EUROPE) N.V - | NL | OPRT | Via country |
| MUTI | MITSUBISHI UFJ TRUST INTERNATIONAL LIMITED | GB | OPRT | Via country |
| MVCX | MERCADO DE VALORES DE CORDOBA S.A. | AR | SGMT | Via country |
| MXLM | MARKETAXESS EUROPE LIMITED - LIVE MARKETS | GB | SGMT | Via country |
| MXNL | MARKETAXESS NL B.V. - LIVE MARKETS | NL | SGMT | Via country |
| MXOP | MEMX LLC OPTIONS | US | SGMT | Yes |
| MXTE | MX2 LLC EQUITIES | US | SGMT | Via country |
| MXTO | MX2 LLC OPTIONS | US | SGMT | Yes |
| MYTR | MYTREASURY | GB | OPRT | Via country |
| N2EX | N2EX | GB | OPRT | Via country |
| NABP | NATIONAL AUSTRALIA BANK EUROPE S.A. | FR | OPRT | Via country |
| NAMX | NATIONAL MERCANTILE EXCHANGE | RU | OPRT | Yes |
| NAPA | NASDAQ STOCKHOLM AB - APA SERVICE | SE | OPRT | Via country |
| NASD | NSDQ DARK | US | SGMT | Via operating MIC |
| NASX | NASD OTC MARKET | NG | OPRT | Via country |
| NATX | NATIXIS | FR | OPRT | Via country |
| NBFL | NATIONAL BANK FINANCIAL INC. | GB | OPRT | Via country |
| NBLX | NOBLE EXCHANGE | US | OPRT | Via country |
| NBOT | NATIONAL BOARD OF TRADE LIMITED | IN | OPRT | Via country |
| NCEL | PAKISTAN MERCANTILE EXCHANGE | PK | OPRT | Via country |
| NCME | SMBC NIKKO CAPITAL MARKETS EUROPE GMBH | DE | OPRT | Via country |
| NCML | SMBC NIKKO CAPITAL MARKETS LIMITED | GB | OPRT | Via country |
| NDCM | ICE ENDEX UK OCM GAS SPOT | GB | OPRT | Yes |
| NDEX | ICE ENDEX FUTURES | NL | OPRT | Yes |
| NDIG | DIGITAL ATS | US | SGMT | Via country |
| NDSC | CLEARCORP DEALING SYSTEMS INDIA LIMITED - NDS-CALL | IN | SGMT | Via country |
| NDSO | CLEARCORP DEALING SYSTEMS INDIA LIMITED - NDS-OM | IN | SGMT | Via country |
| NDXS | ICE ENDEX EUROPEAN GAS SPOT | NL | SGMT | Yes |
| NEEQ | NATIONAL EQUITIES EXCHANGE AND QUOTATIONS | CN | OPRT | Via country |
| NEOC | NEO CONNECT | CA | SGMT | Via country |
| NEOD | CBOE CANADA - NEO-D (DARK) | CA | SGMT | Via country |
| NEOE | CBOE CANADA - NEO-L (MARKET BY ORDER) | CA | OPRT | Via country |
| NEON | CBOE CANADA - NEO-N (MARKET BY PRICE) | CA | SGMT | Via country |
| NEXO | NOREXECO ASA | NO | OPRT | Via country |
| NEXS | OSTTRA SEF | GB | OPRT | Via country |
| NFSA | FIDELITY CROSSSTREAM | US | SGMT | Via country |
| NFSC | NATIONAL FINANCIAL SERVICES, LLC | US | OPRT | Via country |
| NFSD | FIDELITY DARK | US | SGMT | Via country |
| NGXC | NATURAL GAS EXCHANGE | CA | OPRT | Yes |
| NIBC | NIBC | NL | OPRT | Via country |
| NIBR | NORWEGIAN INTER BANK OFFERED RATE | NO | SGMT | Via operating MIC |
| NILX | NILE STOCK EXCHANGE | EG | OPRT | Via country |
| NLAX | CLEARPOOL EXECUTION SERVICES, LLC - NATURAL LIQUIDITY ALLIANCE | US | SGMT | Via country |
| NLPX | APX POWER NL | NL | OPRT | Yes |
| NMCE | NATIONAL MULTI-COMMODITY EXCHANGE OF INDIA | IN | OPRT | Via country |
| NMRA | NOMURA SECURITIES INTERNATIONAL | US | OPRT | Via country |
| NMRJ | NOMURA SECURITIES CO LTD | JP | OPRT | Via country |
| NMSX | NOMURA - EXTERNAL CROSSING PLATFORM | JP | SGMT | Via country |
| NMTF | NORDIC MTF | SE | SGMT | Via country |
| NODX | NODAL EXCHANGE | US | OPRT | Yes |
| NOED | NASDAQ STOCKHOLM AB - NORWEGIAN EQ DERIVATIVES | SE | SGMT | Yes |
| NOFF | NOMURA OTC TRADES | GB | OPRT | Via country |
| NOFI | NASDAQ STOCKHOLM AB - NORWEGIAN FI DERIVATIVES | SE | SGMT | Via operating MIC |
| NOOB | NASDAQ STOCKHOLM AB - OTC NOK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| NOPS | NORD POOL SPOT AS | NO | OPRT | Via country |
| NORD | HSH NORDBANK | DE | OPRT | Via country |
| NOTC | EURONEXT NOTC | NO | OPRT | Via country |
| NOWB | NASDAQ STOCKHOLM AB - NOK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| NOWX | NOW CP - NEU CP | FR | OPRT | Via country |
| NPEX | NPEX | NL | OPRT | Via country |
| NPGA | GASPOINT NORDIC A/S | DK | OPRT | Via country |
| NPMS | NASDAQ PRIVATE MARKET - SECONDMARKET | US | OPRT | Via country |
| NSME | NORDIC SME | SE | SGMT | Via country |
| NSPO | NASDAQ SPOT AB | SE | OPRT | Via country |
| NSSA | NOBLE SECURITIES S.A. | PL | OPRT | Via country |
| NSXB | BENDIGO STOCK EXCHANGE LIMITED | AU | OPRT | Via country |
| NTRL | INTELLIGENTCROSS - NATURAL LIQUIDITY CROSS | US | SGMT | Via country |
| NTUK | NATIXIS LONDON BRANCH | GB | OPRT | Via country |
| NWMS | NATWEST MARKETS PLC | GB | OPRT | Via country |
| NWNV | NATWEST MARKETS NV | NL | OPRT | Via country |
| NXBX | BLOCKMATCH JAPAN | JP | SGMT | Via country |
| NXEU | NX | GB | OPRT | Via country |
| NXFO | NX FUTURES | JP | SGMT | Via country |
| NXJP | NX JAPAN | JP | SGMT | Via country |
| NXSE | NX SELECT JAPAN | JP | SGMT | Via country |
| NXTE | NEXTRADE | KR | OPRT | Via country |
| NXUS | NX ATS - CROSSING PLATFORM | US | OPRT | Via country |
| NXVW | NX VWAP | JP | SGMT | Via country |
| NYMS | CME SWAPS MARKETS (NYMEX) | US | SGMT | Via operating MIC |
| NYPC | NEW YORK PORTFOLIO CLEARING | US | OPRT | Via country |
| NYSD | NYSE DARK | US | SGMT | Via operating MIC |
| NYSI | NYKREDIT BANK | DK | OPRT | Via country |
| NZFX | ASX - NEW ZEALAND FUTURES AND OPTIONS | AU | SGMT | Yes |
| NZXC | NZX CENTRAL | NZ | SGMT | Via operating MIC |
| NZXD | NZX DERIVATIVES - FUTURES & OPTIONS MARKET | NZ | SGMT | Yes |
| NZXM | NZX DARK | NZ | SGMT | Via operating MIC |
| O360 | 360T US-OTC | US | SGMT | Via country |
| OAPA | OSLO BORS - APA | NO | OPRT | Via country |
| OBGE | OB GROUP ENERGY LIMITED | GB | OPRT | Via country |
| OBGP | AUREL BGC - OB ENERGY | FR | SGMT | Via country |
| OBKL | OBERBANK AG | AT | OPRT | Via country |
| OCEA | BLUE OCEAN ALTERNATIVE TRADING SYSTEM | US | OPRT | Via country |
| OCFX | ONECHRONOS FX | US | OPRT | Via country |
| OCSI | SOVA CAPITAL | GB | OPRT | Via country |
| OCTC | OCTAURA - COLLATERALIZED LOAN OBLIGATION (CLO) | US | OPRT | Via country |
| OCTL | OCTAURA - LOANS | US | OPRT | Via country |
| OCTU | OCTAURA - ATS | US | SGMT | Via country |
| OCXE | ONECHRONOS MARKETS EUROPE | NL | OPRT | Via country |
| OCXL | ONECHRONOS MARKETS UK | GB | OPRT | Via country |
| ODDO | ODDO BHF | FR | OPRT | Via country |
| ODOC | ODDO CONTREPARTIE | FR | OPRT | Via country |
| ODST | OSAKA DIGITAL EXCHANGE - START | JP | SGMT | Via country |
| ODXE | ODX - OSAKA DIGITAL EXCHANGE | JP | OPRT | Via country |
| OHVO | OHV OTF | NL | OPRT | Via country |
| OKXE | OKX EUROPE | MT | OPRT | Via country |
| OLBB | OLDENBURGISCHE LANDESBANK AG FX HANDEL | DE | OPRT | Via country |
| OLLC | OTCEX LLC | US | OPRT | Via country |
| OMCX | OLD MISSION CAPITAL | US | OPRT | Via country |
| OMEL | OMI POLO ESPANOL S.A. (OMIE) | ES | OPRT | Via country |
| OMET | OM E-TRADING (OMET) | US | OPRT | Via country |
| OMGA | OMEGA ATS | CA | OPRT | Via country |
| OMIC | THE IBERIAN ENERGY CLEARING HOUSE | PT | OPRT | Via country |
| OMIP | OMIP - POLO PORTUGUES, S.G.M.R., S.A. / OMIP DERIVATIVES MARKET | PT | OPRT | Yes |
| ONEC | CITI-ONE | US | SGMT | Via country |
| ONEP | ONE TRADING EXCHANGE - PERPETUALS | NL | SGMT | Via country |
| ONEX | ONE TRADING EXCHANGE | NL | OPRT | Via country |
| ONSE | FIRST NORTH SWEDEN - NORWAY | SE | SGMT | Via operating MIC |
| OOTC | OTHER OTC | US | SGMT | Via country |
| OPMX | OPTIMX MARKETS, INC | US | OPRT | Via country |
| OPRA | OPTIONS PRICE REPORTING AUTHORITY | US | OPRT | Via country |
| OPSI | OPTIVER V.O.F. | NL | OPRT | Via country |
| OPTM | OPTEX MARKETS | US | OPRT | Via country |
| OPTX | OPTAXE MTF | GB | OPRT | Via country |
| OSDS | OSL DIGITAL SECURITIES EXCHANGE | HK | OPRT | Via country |
| OSLC | SIX X-CLEAR AG | NO | OPRT | Via country |
| OSSG | OSL SG EXCHANGES | SG | OPRT | Via country |
| OTCB | OTCQB MARKETPLACE | US | SGMT | Via country |
| OTCD | OTCID MARKET | US | SGMT | Via country |
| OTCE | OTCEX | GB | OPRT | Via country |
| OTCI | OTC LINK NQB IDQS (INTER-DEALER QUOTATION SYSTEM) | US | OPRT | Via country |
| OTCM | OTC LINK ATS - OTC MARKETS | US | OPRT | Via country |
| OTCN | OTC LINK ECN | US | OPRT | Via country |
| OTCO | OTC OVERNIGHT | US | SGMT | Via country |
| OTCQ | OTCQX MARKETPLACE | US | SGMT | Via country |
| OTCX | OTC EXCHANGE OF INDIA | IN | OPRT | Via country |
| OTEU | OTCX EU MTF | NL | OPRT | Via country |
| OTPB | OTP BANK NYRT | HU | OPRT | Via country |
| OTPR | OTP BANK ROMANIA SA | RO | OPRT | Via country |
| OTXB | BERNER KANTONALBANK OTC-X | CH | OPRT | Via country |
| OTXT | OTCX TRADING LIMITED UK MTF | GB | OPRT | Via country |
| OYLD | OPENYIELD ATS | US | OPRT | Via country |
| PARX | PARFX | GB | SGMT | Via country |
| PATF | PATRIA FINANCE A.S. | CZ | OPRT | Via country |
| PAVE | ALTERNATIVE PLATFORM FOR SPANISH SECURITIES | ES | OPRT | Via country |
| PAYM | PAYMIUM | FR | OPRT | Via country |
| PBGR | PIRAEUS BANK | GR | OPRT | Via country |
| PBUL | BULGARIAN STOCK EXCHANGE - APA | BG | SGMT | Via operating MIC |
| PCSE | NASDAQ COPENHAGEN A/S - PURESTREAM | DK | SGMT | Via operating MIC |
| PDEX | PHILIPPINE DEALING AND EXCHANGE CORP | PH | OPRT | Via country |
| PEEL | PEEL HUNT LLP UK | GB | OPRT | Via country |
| PEPH | PEPINS - MTF - HALF-YEAR | SE | SGMT | Via country |
| PEPM | PEPINS - MTF - MONTH | SE | SGMT | Via country |
| PEPQ | PEPINS - MTF - QUARTER | SE | SGMT | Via country |
| PEPW | PEPINS - MTF | SE | OPRT | Via country |
| PEPY | PEPINS - MTF - YEAR | SE | SGMT | Via country |
| PERP | PERPETUAL MARKETS - PERP | CY | SGMT | Via country |
| PESL | PAYWARD EUROPE SOLUTIONS LIMITED (KRAKEN) | IE | OPRT | Via country |
| PEUR | FIRST NORTH FINLAND - PURESTREAM | FI | SGMT | Via operating MIC |
| PFSE | FIRST NORTH SWEDEN - PURESTREAM | SE | SGMT | Via operating MIC |
| PFSI | PATRIA FINANCE A.S. - SYSTEMATIC INTERNALISER | CZ | SGMT | Via country |
| PFTO | PFTS STOCK EXCHANGE - ORDER DRIVEN MARKET | UA | SGMT | – |
| PFTQ | PFTS STOCK EXCHANGE - QUOTE DRIVEN MARKET | UA | SGMT | – |
| PFTS | PFTS STOCK EXCHANGE | UA | OPRT | – |
| PFXD | PARNDF | GB | SGMT | Via country |
| PGSL | PAYWARD GLOBAL SOLUTIONS LIMITED (KRAKEN) - IE | IE | OPRT | Via country |
| PGTP | PAYWARD GLOBAL TRADING (KRAKEN) | SG | OPRT | Via country |
| PHEL | NASDAQ HELSINKI - PURESTREAM | FI | SGMT | Via operating MIC |
| PHSI | PEEL HUNT SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| PIEU | ARITAS FINANCIAL LTD | GB | OPRT | Via country |
| PINL | OTC PINK LIMITED | US | SGMT | Via country |
| PIPE | ARITAS SECURITIES LLC | US | OPRT | Via country |
| PIPR | PIPER SANDLER AND CO. | US | OPRT | Via country |
| PIRM | PIRUM | GB | OPRT | Via country |
| PKOP | BANK POLSKA KASA OPIEKI S.A. | PL | OPRT | Via country |
| PLDX | PLUS DERIVATIVES EXCHANGE | GB | SGMT | Via country |
| PLPD | WARSAW STOCK EXCHANGE/POLISH POWER EXCHANGE/REGULATED MARKET | PL | SGMT | Yes |
| PLPO | WARSAW STOCK EXCHANGE/COMMODITIES/POLISH POWER - EXCHANGE/ORGANIZED TRADING FACILITIES | PL | SGMT | Via operating MIC |
| PLPS | WARSAW STOCK EXCHANGE/COMMODITIES/POLISH POWER EXCHANGE/SPOT | PL | SGMT | Yes |
| PMXX | PERPETUAL MARKETS - MAIN | CY | OPRT | Via country |
| POSE | PORTFOLIO STOCK EXCHANGE | ES | OPRT | Via country |
| POTC | PACIFIC OTC | VU | OPRT | – |
| POTL | PO TRADE LIQUIDITY | AU | OPRT | Via country |
| PPEX | PROPERTY PARTNER EXCHANGE | GB | OPRT | Via country |
| PROS | PROSPECTS | MT | SGMT | Via operating MIC |
| PRSE | PRAGMA ATS | US | OPRT | Via country |
| PSGM | OTC GREY MARKET | US | SGMT | Via country |
| PSTO | NASDAQ STOCKHOLM AB - PURESTREAM | SE | SGMT | Via operating MIC |
| PSXD | NASDAQ PSX DARK | US | SGMT | Via operating MIC |
| PTPG | POLISH TRADING POINT | PL | OPRT | Via country |
| PUMA | PUMA CAPITAL, LLC | US | OPRT | Via country |
| PUMX | PUMA CAPITAL, LLC - OPTIONS | US | SGMT | Via country |
| PUND | PUNDION LLC | US | OPRT | Via country |
| PURE | CANADIAN SECURITIES EXCHANGE - PURE | CA | SGMT | Via country |
| PVBL | PROVABLE MARKETS | US | OPRT | Via country |
| PVMF | TP ICAP E. AND C. OTF – PVM COMMODITIES AND ENERGY DERIVATIVES | GB | SGMT | Via country |
| PXIL | POWER EXCHANGE INDIA LTD. | IN | OPRT | Via country |
| QCEX | QCX, LLC | US | OPRT | Via country |
| QUNT | INFRONT QUANT | NO | SGMT | Via country |
| QWIK | QWICKROUTE | US | OPRT | Via country |
| QWIX | Q-WIXX PLATFORM | GB | OPRT | Via country |
| R5FX | R5FX LIMITED | GB | OPRT | Via country |
| RAJA | RAYMOND JAMES | US | OPRT | Via country |
| RBCB | RBC INVESTOR SERVICES BANK S.A. | LU | OPRT | Via country |
| RBCC | RBC - PARIS BRANCH | FR | OPRT | Via country |
| RBCE | RBC EUROPE LIMITED | GB | OPRT | Via country |
| RBCG | RBC CAPITAL MARKETS (EUROPE) GMBH | DE | OPRT | Via country |
| RBCM | RBC - ROYAL BANK OF CANADA | GB | OPRT | Via country |
| RBCS | RBC CAPITAL MARKETS LLC | US | OPRT | Via country |
| RBCT | RBC INVESTOR SERVICES TRUST | GB | OPRT | Via country |
| RBEX | RAILBIRD EXCHANGE | US | OPRT | Yes |
| RBHU | RAIFFEISEN BANK (HUNGARY) | HU | OPRT | Via country |
| RBIV | RAIFFEISEN BANK INTERNATIONAL AG | AT | OPRT | Via country |
| RBSI | RBC INVESTOR SERVICES BANK S.A. - SYSTEMATIC INTERNALISER | LU | SGMT | Via country |
| RBSX | RBS CROSS | GB | OPRT | Via country |
| RCMA | RBC CAPITAL MARKETS ARBITRAGE S.A. | US | OPRT | Via country |
| RENC | RENAISSANCE SECURITIES (CYPRUS) LIMITED | CY | OPRT | Via country |
| RESF | EBS MTF - RESET SEGMENT | NL | SGMT | Via country |
| REST | OSTTRA SEF MTF - RESET - RISK MITIGATION SERVICES | GB | SGMT | Via country |
| REVX | REVOLUT X | CY | OPRT | Via country |
| RFBK | RAIFFEISENBANK, AS. | CZ | OPRT | Via country |
| RFIM | REAL FORTUNE INVESTMENT L.L.C | AE | OPRT | Via country |
| RFQN | MARKETAXESS NL B.V. - RFQ HUB | NL | SGMT | Via country |
| RFQS | MARKETAXESS SINGAPORE PTE LIMITED - RFQ - HUB | SG | SGMT | Via country |
| RFQU | MARKETAXESS EUROPE LIMITED - RFQ - HUB | GB | SGMT | Via country |
| RITS | REFINITIV - FORWARDS MATCHING | IN | OPRT | Via country |
| RJXX | LEVEL ATS - RAYMOND JAMES AND ASSOCIATES X | US | SGMT | Via country |
| RLBO | RAIFFEISENLANDESBANK OBERÖSTERREICH | AT | OPRT | Via country |
| RMEX | RULEMATCH EUROPE CRYPTO | LI | OPRT | – |
| RMMS | RMB MORGAN STANLEY | ZA | OPRT | Via country |
| RMMX | RMB MORGAN STANLEY - INVENTORY MANAGER | ZA | SGMT | Via country |
| RMTF | REFINITIV MTF | IE | OPRT | Via country |
| ROCO | TAIPEI EXCHANGE | TW | OPRT | Via country |
| ROFX | ROSARIO FUTURE EXCHANGE | AR | OPRT | Via country |
| ROSR | SIX REPO AG | CH | OPRT | Via country |
| ROTC | RWANDA OTC MARKET | RW | OPRT | Via country |
| RPDX | MOSCOW ENERGY EXCHANGE | RU | OPRT | Via country |
| RPWC | WARSAW STOCK EXCHANGE/BONDS/CATALYST/BONDSPOT/REGULATED MARKET | PL | SGMT | Via operating MIC |
| RR4G | ROUTE4GAS | NL | OPRT | Via country |
| RRSI | RAIFFEISEN BANK S.A. (ROMANIA) | RO | OPRT | Via country |
| RSEX | RWANDA STOCK EXCHANGE | RW | OPRT | Yes |
| RTSI | RBC INVESTOR SERVICES TRUST - SYSTEMATIC INTERNALISER | GB | SGMT | Via country |
| RTSL | REFINITIV TRANSACTIONS SERVICES LIMITED | GB | OPRT | Via country |
| RTSP | REFINITIV TRANSACTION SERVICES PTE. LTD | SG | OPRT | Via country |
| RTSX | MOSCOW EXCHANGE - DERIVATIVES MARKET | RU | SGMT | Yes |
| RTXF | RTX FINTECH AND RESEARCH | US | OPRT | Via country |
| RULE | RULEMATCH | CH | OPRT | Via country |
| RUSX | NON-PROFIT PARTNERSHIP FOR THE DEVELOPMENT OF FINANCIAL MARKET RTS | RU | OPRT | Via country |
| RVSA | RAIFFEISENVERBAND SALZBURG | AT | OPRT | Via country |
| S360 | S360 | SG | OPRT | Via country |
| S3FM | SOCIETY3 FUNDERSMART | CH | OPRT | Via country |
| SAGE | SAGETRADER | US | OPRT | Via country |
| SANT | BANCO SANTANDER S.A. | ES | OPRT | Via country |
| SB1M | SPAREBANK 1 MARKETS | NO | OPRT | Via country |
| SBAR | BOLSA DE BARCELONA RENTA FIJA | ES | SGMT | Via country |
| SBEX | SCOTIABANK | GB | OPRT | Via country |
| SBIC | JAPANNEXT - XROSSNET | JP | SGMT | Via country |
| SBIJ | JAPANNEXT - J - MARKET | JP | OPRT | Via country |
| SBIL | BOLSA DE BILBAO RENTA FIJA | ES | SGMT | Via country |
| SBIU | JAPANNEXT - U - MARKET | JP | SGMT | Via country |
| SBIV | JAPANNEXT - VWAP CROSSING | JP | SGMT | Via country |
| SBSI | SYDBANK A/S | DK | OPRT | Via country |
| SCAG | STANDARD CHARTERED BANK AG | DE | OPRT | Via country |
| SCLB | SCALABLE CAPITAL | DE | OPRT | Via country |
| SCLE | BME SCALEUP | ES | SGMT | Via country |
| SCOT | SCOTTISH STOCK EXCHANGE | GB | OPRT | Via country |
| SCXO | ZERO HASH LLC | US | OPRT | Via country |
| SEBA | STIFEL EUROPE BANK AG | DE | OPRT | Via country |
| SEBL | SEB LITHUANIA | LT | OPRT | Via country |
| SEBS | SEB | SE | OPRT | Via country |
| SECC | SECDEX CLEARING LIMITED | SC | OPRT | Via country |
| SECD | SECDEX DEPOSITORY LIMITED | SC | OPRT | Via country |
| SECE | SECDEX EXCHANGE LIMITED | SC | OPRT | Via country |
| SECF | SECFINEX | GB | OPRT | Via country |
| SEDC | SECDEX DIGITAL CUSTODIAN LIMITED | SC | OPRT | Via country |
| SEDX | SECURITISED DERIVATIVES MARKET | IT | SGMT | Via operating MIC |
| SEED | NASDAQ STOCKHOLM AB - SWEDISH EQ DERIVATIVES | SE | SGMT | Yes |
| SELC | SISTEMA ESPECIAL DE LIQUIDACAO E CUSTODIA DE TITULOS PUBLICOS | BR | OPRT | Via country |
| SEMX | SEMOPX | IE | OPRT | Via country |
| SEND | SEND - SISTEMA ELECTRONICO DE NEGOCIACION DE DEUDA | ES | SGMT | Via country |
| SEOB | NASDAQ STOCKHOLM AB - OTC SEK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| SEPE | STOCK EXCHANGE PERSPECTIVA | UA | OPRT | – |
| SEWB | NASDAQ STOCKHOLM AB - SEK WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| SFCL | SWISSCANTO FUNDS CENTRE LIMITED | GB | OPRT | Via country |
| SFMP | FIS SECURITIES FINANCE MATCHING PLATFORM | GB | OPRT | Via country |
| SFOX | SFOX | US | OPRT | Via country |
| SGA2 | SG AMERICAS SECURITIES, LLC - SECOND VENUE | US | SGMT | Via country |
| SGAS | SG AMERICAS SECURITIES, LLC | US | OPRT | Via country |
| SGBX | SIGMA X2 - BENCHMARK CROSS | US | SGMT | Via country |
| SGEX | SHANGHAI GOLD EXCHANGE | CN | OPRT | Yes |
| SGMA | GOLDMAN SACH MTF | US | OPRT | Via country |
| SGMT | SIGMA X2 | US | SGMT | Via country |
| SGMU | SIGMA X EUROPE NON-DISPLAYED BOOK | FR | OPRT | Via country |
| SGMV | SIGMA X EUROPE AUCTION BOOK | FR | SGMT | Via country |
| SGMW | SIGMA X EUROPE NEGOTIATED TRADE | FR | SGMT | Via country |
| SGMX | SIGMA X MTF NON-DISPLAYED BOOK | GB | OPRT | Via country |
| SGMY | SIGMA X MTF - AUCTION BOOK | GB | SGMT | Via country |
| SGMZ | SIGMA X MTF - NEGOTIATED TRADE | GB | SGMT | Via country |
| SGOE | SG OPTION EUROPE | FR | OPRT | Via country |
| SHAD | D.E. SHAW DARK | US | SGMT | Via country |
| SHAR | ASSET MATCH | GB | OPRT | Via country |
| SHAW | D.E. SHAW | US | OPRT | Via country |
| SHSC | STOCK EXCHANGE OF HONG KONG LIMITED - SHANGHAI - HONG KONG STOCK CONNECT | HK | SGMT | Via operating MIC |
| SIAB | ALIOR BANK | PL | OPRT | Via country |
| SIBC | SIB CYPRUS LTD | CY | OPRT | Via country |
| SICS | CREDIT SUISSE SECURITIES (EUROPE) LIMITED | GB | SGMT | Via country |
| SIDX | SCOTIABANK (IRELAND) DESIGNATED ACTIVITY COMPANY | IE | OPRT | Via country |
| SIFX | SIEGE FX LIMITED | GB | OPRT | Via country |
| SIG2 | SIGMA X2 - JAPAN | JP | OPRT | Via country |
| SIGA | SIGMA X AUSTRALIA | AU | OPRT | Via country |
| SIGB | SIGMA X2 BMX | JP | SGMT | Via country |
| SIGH | SIGMA X HONG KONG | HK | SGMT | Via country |
| SIGJ | SIGMA X JAPAN | JP | OPRT | Via country |
| SIMD | CREDIT SUISSE BANK (EUROPE), S.A. - SYSTEMATIC INTERNALISER | ES | SGMT | Via country |
| SIMV | SIM VENTURE SECURITIES EXCHANGE | AU | OPRT | Via country |
| SISI | SUSQUEHANNA INTERNATIONAL SECURITIES LIMITED | IE | OPRT | Via country |
| SISU | SUSQUEHANNA INTERNATIONAL SECURITIES LIMITED - LONDON BRANCH | GB | OPRT | Via country |
| SKBB | SKB BANKA D.D. LJUBLJANA | SI | OPRT | Via country |
| SKSI | SPAREKASSEN KRONJYLLAND | DK | OPRT | Via country |
| SKYX | SKYTRA | GB | OPRT | Via country |
| SLHB | SALZBURGER LANDES-HYPOTHEKENBANK | AT | OPRT | Via country |
| SMBB | SUMITOMO MITSUI BANKING CORPORATION - BRUSSELS BRANCH | BE | OPRT | Via country |
| SMBC | SMBC NIKKO SNET DARKPOOL | JP | OPRT | Via country |
| SMBD | SUMITOMO MITSUI BANKING CORPORATION - DUESSELDORF BRANCH | DE | OPRT | Via country |
| SMBE | SUMITOMO MITSUI BANKING CORPORATION EUROPE LIMITED | GB | OPRT | Via country |
| SMBG | SUMITOMO MITSUI BANKING CORPORATION - LONDON BRANCH | GB | OPRT | Via country |
| SMBP | SUMITOMO MITSUI BANKING CORPORATION EUROPE LIMITED - PARIS BRANCH | FR | OPRT | Via country |
| SMEX | SINGAPORE MERCANTILE EXCHANGE PTE LTD | SG | OPRT | Via country |
| SMFE | SMALL EXCHANGE, INC - DESIGNATED CONTRACT MARKET | US | OPRT | Via country |
| SMFF | SMBC BANK EU AG | DE | OPRT | Via country |
| SNSI | SPAR NORD BANK | DK | OPRT | Via country |
| SNUK | SANTANDER UK | GB | OPRT | Via country |
| SOHO | TWO SIGMA SECURITIES, LLC | US | OPRT | Via country |
| SPAX | SPECTRAXE | US | OPRT | Via country |
| SPBE | SPB EXCHANGE - ALL MARKETS | RU | OPRT | Via country |
| SPDK | SPOTLIGHT STOCK MARKET DENMARK | SE | SGMT | Via country |
| SPDX | SPREADEX | GB | OPRT | Via country |
| SPEC | MAREX SPECTRON INTERNATIONAL LIMITED OTF | GB | OPRT | Via country |
| SPEU | SPOTLIGHT STOCK MARKET EUROPE | SE | SGMT | Via country |
| SPEX | SPECTRUM MARKETS | DE | OPRT | Via country |
| SPFI | SPOTLIGHT STOCK MARKET FINLAND | SE | SGMT | Via country |
| SPHR | MIAX SAPPHIRE, LLC | US | SGMT | Yes |
| SPIM | ST. PETERSBURG INTERNATIONAL MERCANTILE EXCHANGE | RU | OPRT | Via country |
| SPNO | SPOTLIGHT STOCK MARKET NORWAY | SE | SGMT | Via country |
| SPRZ | SPREADZERO | GB | OPRT | Via country |
| SPSD | SPOTLIGHT STOCK MARKET ETP | SE | SGMT | Via country |
| SPTR | SPAREBANK 1 SMN | NO | OPRT | Via country |
| SPTX | SPOT FX | US | OPRT | Via country |
| SPXE | SPX | SK | OPRT | Via country |
| SQUA | SQUARE GLOBAL - OTF | GB | OPRT | Via country |
| SRPT | SPEEDROUTE LLC | US | OPRT | Via country |
| SSBI | STATE STREET BANK INTERNATIONAL GMBH | DE | OPRT | Via country |
| SSBM | STATE STREET BANK INTERNATIONAL FX | DE | SGMT | Via country |
| SSBT | STATE STREET BANK AND TRUST COMPANY | GB | OPRT | Via country |
| SSEX | SOCIAL STOCK EXCHANGE | GB | OPRT | Via country |
| SSFX | STATE STREET BANK AND TRUST FX | GB | SGMT | Via country |
| SSIL | STATE STREET BANK INTERNATIONAL FX - LONDON BRANCH | GB | OPRT | Via country |
| SSME | FIRST NORTH SWEDEN - SME GROWTH MARKET | SE | SGMT | Via operating MIC |
| SSOB | BONDVISION EUROPE MTF | IT | SGMT | Via country |
| SSTX | E-EXCHANGE | US | OPRT | Via country |
| STAN | STANDARD CHARTERED | GB | OPRT | Via country |
| STFL | STIFEL NICOLAUS EUROPE LIMITED | GB | OPRT | Via country |
| STFX | STIFEL, NICOLAUS AND COMPANY, INCORPORATED | US | OPRT | Via country |
| STOX | STOXX LIMITED | CH | OPRT | Via country |
| STRM | PURESTREAM | US | OPRT | Via country |
| STUA | BOERSE STUTTGART - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| STUB | BOERSE STUTTGART - FREIVERKEHR | DE | SGMT | Via operating MIC |
| STUC | BOERSE STUTTGART - REGULIERTER MARKT - TECHNICAL PLATFORM 2 | DE | SGMT | Via operating MIC |
| STUD | BOERSE STUTTGART - FREIVERKEHR - TECHNICAL PLATFORM 2 | DE | SGMT | Via operating MIC |
| STUE | BOERSE STUTTGART - REGULIERTER MARKT - TECHNICAL PLATFORM 3 | DE | SGMT | Via operating MIC |
| STUF | BOERSE STUTTGART - FREIVERKEHR - TECHNICAL PLATFORM 3 | DE | SGMT | Via operating MIC |
| STUH | BOERSE STUTTGART - FREIVERKEHR - TECHNICAL PLATFORM 4 | DE | SGMT | Via operating MIC |
| STUJ | BOERSE STUTTGART - FREIVERKEHR - DLT | DE | SGMT | Via operating MIC |
| STUL | BOERSE STUTTGART - FREIVERKEHR - TECHNICAL PLATFORM 2 - DLT | DE | SGMT | Via operating MIC |
| STXS | STX FIXED INCOME | NL | OPRT | Via country |
| STXX | BIT2ME SECURITY TOKENS EXCHANGE - STX | ES | OPRT | Via country |
| SUNT | SUN TRADING LLC | US | OPRT | Via country |
| SVES | SVENSKA HANDELSBANKEN AB | SE | SGMT | Via country |
| SVEX | SVENSKA HANDELSBANKEN AB - SVEX | SE | OPRT | Via country |
| SVXI | SAINT VINCENT AND THE GRENADINES SECURITIES EXCHANGE | VC | OPRT | – |
| SWAP | SWAPSTREAM | GB | OPRT | Via country |
| SWPX | FXSWAPX | US | OPRT | Via country |
| SXSI | SAXO BANK A/S | DK | OPRT | Via country |
| SYFX | SYNOPTION | SG | OPRT | Via country |
| SYNK | SYNKRONY EXCHANGE | IT | OPRT | Via country |
| SZSC | STOCK EXCHANGE OF HONG KONG LIMITED - SHENZHEN - HONG KONG STOCK CONNECT | HK | SGMT | Via operating MIC |
| T212 | TRADING 212 LIMITED | BG | OPRT | Via country |
| TBSA | WARSAW STOCK EXCHANGE/BONDS/TREASURY BOND/BONDSPOT/B2C MARKET/MTF | PL | SGMT | Via operating MIC |
| TBSP | WARSAW STOCK EXCHANGE/BONDS/BONDSPOT/TREASURY BOND MARKET | PL | SGMT | Via operating MIC |
| TCDS | TRADITION OTF | GB | SGMT | Via country |
| TCML | TIDE CM | GB | OPRT | Via country |
| TDBL | TORONTO DOMINION BANK - LONDON BRANCH | GB | OPRT | Via country |
| TDGF | TD SECURITIES | IE | OPRT | Via country |
| TDON | TRADITION PARIS - TSAF | FR | OPRT | Via country |
| TDSX | INTELLIGENTCROSS - TDSX | US | SGMT | Via country |
| TDVS | TRADEVILLE | RO | OPRT | Via country |
| TDXS | TAURUS TDX | CH | OPRT | Via country |
| TECO | TP ICAP E AND C OTF - COMMODITY AND ENERGY DERIVATIVES | GB | SGMT | Via country |
| TEFD | TULLETT PREBON EUROPE - MTF - FX DERIVATIVES | GB | SGMT | Via country |
| TEMR | TULLETT PREBON EUROPE - MTF - REPOS | GB | SGMT | Via country |
| TERA | RADIAL-X | US | OPRT | Via country |
| TERM | TP ICAP FX HUB | SG | OPRT | Via country |
| TEUR | TRADITION ESPANA OTF | ES | OPRT | Via country |
| TFEX | THAILAND FUTURES EXCHANGE | TH | OPRT | Yes |
| TFSA | TFS GREEN AUSTRALIAN GREEN MARKETS | SG | OPRT | Via country |
| TFSD | T.F.S. DERIVATIVES HK LIMITED | HK | OPRT | Via country |
| TFSU | TFS GREEN UNITED STATES GREEN MARKETS | US | OPRT | Via country |
| TGAT | TRADEGATE BERLIN STOCK EXCHANGE | DE | OPRT | Via country |
| TGSI | TRADEGATE AG - SYSTEMATIC INTERNALISER | DE | SGMT | Via country |
| THEM | THEMIS TRADING LLC | US | OPRT | Via country |
| THRE | REFINITIV US SEF LLC | US | OPRT | Via country |
| TICT | TOTAN ICAP CO. LTD | JP | OPRT | Via country |
| TLCM | LOUIS CAPITAL MARKETS EU | FR | SGMT | Via country |
| TMCC | ICE TMC | US | SGMT | Via country |
| TMCY | TRADING 212 MARKETS LIMITED | CY | OPRT | Via country |
| TMEU | TRUMID EU MTF | IE | OPRT | Via country |
| TMEX | TURKISH MERCANTILE EXCHANGE | TR | OPRT | Yes |
| TMID | TRUMID ATS | US | OPRT | Via country |
| TMUK | TRUMID UK MTF | GB | OPRT | Via country |
| TNLA | EURONEXT - TRADED BUT NOT LISTED AMSTERDAM | NL | SGMT | Via operating MIC |
| TNLB | EURONEXT - TRADING FACILITY BRUSSELS | BE | SGMT | Via operating MIC |
| TOCP | TORA CROSSPOINT | HK | OPRT | Via country |
| TOWR | TOWER RESEARCH CAPITAL EUROPE | NL | OPRT | Via country |
| TPDA | TP ICAP - UK - DIGITAL ASSETS - SPOT | GB | SGMT | Via country |
| TPDR | TP ICAP EU - MTF - DERIVATIVES REGISTRATION | FR | SGMT | Via country |
| TPEE | TP ICAP EU - MTF - EQUITY AND ETF | FR | SGMT | Via country |
| TPEL | TULLETT PREBON (EUROPE) LIMITED | GB | OPRT | Via country |
| TPEO | TP ICAP E AND C OTF | GB | OPRT | Via country |
| TPER | TULLETT PREBON EU OTF - REGISTRATION | FR | SGMT | Via country |
| TPEU | TULLETT PREBON EU OTF | FR | OPRT | Via country |
| TPIC | TP ICAP EU - MTF | FR | OPRT | Via country |
| TPID | TP ICAP - UK - DIGITAL ASSETS | GB | OPRT | Via country |
| TPIE | THE PROPERTY INVESTMENT EXCHANGE | GB | OPRT | Via country |
| TPIO | TP ICAP EU - MTF - ORDERBOOK | FR | SGMT | Via country |
| TPIR | TP ICAP EU - MTF - REGISTRATION | FR | SGMT | Via country |
| TPSB | TP ICAP SEF | US | SGMT | Via country |
| TPSE | TP SEF, INC. | US | OPRT | Via country |
| TPSG | TP ICAP RMO | SG | SGMT | Via country |
| TPSL | TULLETT PREBON SECURITIES - MTF | GB | OPRT | Via country |
| TPSO | TP UK OTF | GB | OPRT | Via country |
| TQEA | TURQUOISE EUROPE - PERIODIC AUCTIONS ORDER BOOK | NL | SGMT | Via country |
| TQEM | TURQUOISE EUROPE - DARK | NL | SGMT | Via country |
| TQEX | TURQUOISE EUROPE - LIT ORDER BOOK | NL | OPRT | Via country |
| TRAI | TRAIANA INC | US | OPRT | Via country |
| TRAL | REFINITIV TRANSACTIONS SERVICES LIMITED - FXALL RFQ | GB | SGMT | Via country |
| TRAS | TRADITION ASIA LIMITED | HK | OPRT | Via country |
| TRAX | MARKETAXESS POST-TRADE LIMITED - APA | GB | OPRT | Via country |
| TRBX | TRADE REPUBLIC BANK | DE | OPRT | Via country |
| TRCK | TRACK ECN | US | OPRT | Via country |
| TRCX | TOWER RESEARCH CAPITAL TRCX | US | OPRT | Via country |
| TRDC | TFS CURRENCIES PTE LTD | SG | OPRT | Via country |
| TRDE | TRADITION | GB | OPRT | Via country |
| TRDX | TRAD-X | GB | SGMT | Via country |
| TREA | TRADEWEB EUROPE LIMITED - APA | GB | SGMT | Via country |
| TREO | TRADEWEB EUROPE LIMITED - OTF | GB | SGMT | Via country |
| TREU | TRADEWEB EUROPE LIMITED | GB | OPRT | Via country |
| TREX | ROTHERA EXCHANGE | US | OPRT | Via country |
| TRFW | REFINITIV TRANSACTION SERVICES LIMITED - FORWARDS MATCHING | GB | SGMT | Via country |
| TRIE | TRADING 212 MARKETS (IRELAND) LIMITED | IE | OPRT | Via country |
| TRNL | MARKETAXESS POST-TRADE B.V. - APA | NL | OPRT | Via country |
| TRPX | MERJ EXCHANGE LIMITED | SC | OPRT | Yes |
| TRQA | TURQUOISE - PERIODIC AUCTIONS ORDER BOOK | GB | SGMT | Via country |
| TRQM | TURQUOISE - DARK ORDER BOOK | GB | SGMT | Via country |
| TRQX | TURQUOISE - LIT ORDER BOOK | GB | OPRT | Via country |
| TRSI | TOWER RESEARCH CAPITAL EUROPE LTD | GB | OPRT | Via country |
| TRU1 | TRUEEX LLC - DESIGNATED CONTRACT MARKET (DMC) | US | SGMT | Via country |
| TRU2 | TRUEEX LLC - SEF (SWAP EXECUTION FACILITY) | US | SGMT | Via country |
| TRUK | TRADING 212 UK LIMITED | GB | OPRT | Via country |
| TRUX | TRUEEX LLC | US | OPRT | Via country |
| TRWB | TRADEWEB LLC | US | OPRT | Via country |
| TRXE | TRAD-X EUROPE | FR | OPRT | Via country |
| TSAD | TRADITION SECURITIES AND DERIVATIVES INC. | US | OPRT | Via country |
| TSAF | TSAF OTC - OTF | FR | OPRT | Via country |
| TSBF | TRADITION SBSEF | US | SGMT | Via country |
| TSCD | TP ICAP UK OTF - CREDIT DERIVATIVES TP | GB | SGMT | Via country |
| TSED | TP ICAP UK OTF - EQUITY DERIVATIVES TP | GB | SGMT | Via country |
| TSEF | TRADITION SEF | US | OPRT | Via country |
| TSFI | TP ICAP UK OTF - CORPORATE BONDS AND SECURITISED DEBT TP | GB | SGMT | Via country |
| TSGB | TP ICAP UK OTF - GOVERNMENT BONDS EXCLUDING UK GILTS TP | GB | SGMT | Via country |
| TSGI | TP ICAP UK OTF - GOVERNMENT BONDS - UK GILTS TP | GB | SGMT | Via country |
| TSIG | TRADITION SINGAPORE PTE. LTD. | SG | OPRT | Via country |
| TSIR | TP ICAP UK OTF - INTEREST RATE DERIVATIVES TP | GB | SGMT | Via country |
| TSMR | TULLETT PREBON SECURITIES - MTF - REPOS | GB | SGMT | Via country |
| TUOB | TP UK OTF - ORDERBOOK | GB | SGMT | Via country |
| TWDT | TRADEWEB EU BV - DLT TSS | NL | SGMT | Via country |
| TWEA | TRADEWEB EU BV - APA | NL | SGMT | Via country |
| TWEM | TRADEWEB EU BV - MTF | NL | SGMT | Via country |
| TWEO | TRADEWEB EU BV - OTF | NL | SGMT | Via country |
| TWEU | TRADEWEB EU BV | NL | OPRT | Via country |
| TWGP | TRADEWEB EUROPE LIMITED - GLOBAL TRADING PLATFORM | GB | OPRT | Via country |
| TWHK | TRADEWEB EUROPE LIMITED - HONG KONG | HK | OPRT | Via country |
| TWJP | TRADEWEB JAPAN KK - PTS | JP | OPRT | Via country |
| TWJT | TRADEWEB JAPAN KK - ETP | JP | SGMT | Via country |
| TWSA | TRADEWEB COMPANY - ATS | SA | OPRT | Via country |
| TWSF | TW SEF LLC | US | SGMT | Via country |
| TWSG | TRADEWEB EUROPE LIMITED - SINGAPORE | SG | OPRT | Via country |
| TXBA | BOFA VWAP CROSS AT LEVEL | US | SGMT | Via country |
| TXSD | TEXAS STOCK EXCHANGE - DARK | US | SGMT | Via country |
| TXSE | TEXAS STOCK EXCHANGE | US | OPRT | Via country |
| U360 | 360 TRADING NETWORKS INC. | US | OPRT | Via country |
| UBCZ | UNICREDIT BANK CZECH REPUBLIC AND SLOVAKIA, A.S. | CZ | OPRT | Via country |
| UBEC | UNIVERSAL BARTER EXCHANGE CREDIT UNION | US | OPRT | Via country |
| UBIN | UNION BANK OF INDIA UK LTD | GB | OPRT | Via country |
| UBIS | UNIPOL BANCA S.P.A. | IT | OPRT | Via country |
| UBSA | UBS ATS | US | OPRT | Via country |
| UBSB | UBS AG LONDON BRANCH - TRADING | GB | OPRT | Via country |
| UBSC | UBS PIN-FX | CH | SGMT | Via country |
| UBSF | UBS FX | CH | SGMT | Via country |
| UBSG | UBS TRADING | CH | OPRT | Via country |
| UBSI | UBS EUROPE SE | DE | SGMT | Via country |
| UBSL | UBS EUROPE SE - TRADING | DE | OPRT | Via country |
| UBSP | UBS PIN (UBS PRICE IMPROVEMENT NETWORK) | US | SGMT | Via country |
| UBSS | UBS SECURITIES LLC | US | OPRT | Via country |
| UBSV | UBS ATS - TRAJX VWAP CROSSING | US | SGMT | Via country |
| UBSX | UBS CROSS | HK | OPRT | Via country |
| UBSY | UBS AG LONDON BRANCH | GB | SGMT | Via country |
| UCBA | UNICREDIT BANK AUSTRIA AG | AT | OPRT | Via country |
| UCBG | UNICREDIT BULBANK AD | BG | OPRT | Via country |
| UCDE | UNICREDIT BANK AG | DE | OPRT | Via country |
| UCHU | UNICREDIT BANK HUNGARY ZRT. | HU | OPRT | Via country |
| UCIT | UNICREDIT SPA | IT | OPRT | Via country |
| UFEX | UFEX | UY | OPRT | – |
| UGEN | UNITEDBLOCKTRADE | GB | OPRT | Via country |
| UICE | UKRAINIAN INTERBANK CURRENCY EXCHANGE | UA | OPRT | – |
| UKCA | CREDIT AGRICOLE CIB UK BRANCH | GB | OPRT | Via country |
| UKEX | UKRAINIAN EXCHANGE | UA | OPRT | – |
| UKGD | MTS UK | GB | SGMT | Via country |
| UKOR | TP ICAP UK MTF - ORDERBOOK | GB | SGMT | Via country |
| UKPX | EPEX SPOT | GB | OPRT | Via country |
| UKRE | TP ICAP UK MTF - REGISTRATION | GB | SGMT | Via country |
| ULTX | ALT XCHANGE (U) | UG | OPRT | Via country |
| UNGB | UNICREDIT BANK AG - LONDON BRANCH - UK | GB | OPRT | Via country |
| USOB | NASDAQ STOCKHOLM AB - OTC USD WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| USWB | NASDAQ STOCKHOLM AB - USD WB EQ DERIVATIVES | SE | SGMT | Via operating MIC |
| UTSL | UEDA TRADITION SECURITIES LTD. | JP | OPRT | Via country |
| UTST | UEDA TRADITION ETP | JP | SGMT | Via country |
| VABD | ICE BONDPOINT | US | SGMT | Via country |
| VAGL | VIRTUAL AUCTION GLOBAL LIMITED | GB | OPRT | Via country |
| VAGM | VIRTUAL AUCTION GLOBAL MARKETS - MTF | GB | OPRT | Via country |
| VALX | VIRTU CLIENT MARKET MAKING | US | SGMT | Via country |
| VAMS | VAMOS | ES | OPRT | Via country |
| VAVO | BITVAVO | NL | OPRT | Via country |
| VCMO | VANTAGE CAPITAL MARKETS LLP - OTF | GB | OPRT | Via country |
| VCRS | VIRTU MATCHIT - CONDITIONAL ROOM | US | SGMT | Via country |
| VDRK | TSX VENTURE EXCHANGE - DRK | CA | SGMT | Via operating MIC |
| VEGA | VEGA-CHI | GB | OPRT | Via country |
| VERT | VERTICAL | US | OPRT | Via country |
| VFCM | VIRTU FINANCIAL CAPITAL MARKETS LLC | US | OPRT | Via country |
| VFEX | VICTORIA FALLS STOCK EXCHANGE | ZW | OPRT | Via country |
| VFGB | VIRTU FINANCIAL IRELAND LIMITED (LONDON BRANCH) | GB | OPRT | Via country |
| VFIL | VIRTU FINANCIAL IRELAND LIMITED | IE | OPRT | Via country |
| VFMI | VIRTU MATCHIT - MAIN CROSSING SESSION | US | SGMT | Via country |
| VFSI | VIRTU FINANCIAL IRELAND LIMITED - SYSTEMATIC INTERNALISER | IE | SGMT | Via country |
| VFXO | VIRTU FINANCIAL IRELAND LIMITED - OTC | IE | SGMT | Via country |
| VIRT | VIRTU FINANCIAL BD | US | OPRT | Via country |
| VIUK | POSIT UK | GB | OPRT | Via country |
| VLEX | VONTOBEL LIQUIDITY EXTENDER | CH | OPRT | Via country |
| VMEX | VENOMEX LIMITED | AE | OPRT | Via country |
| VMFX | THE FAROESE SECURITIES MARKET | FO | OPRT | – |
| VNDM | WALL STREET ACCESS NYC - VNDM | US | SGMT | Via country |
| VONT | BANK VONTOBEL EUROPE AG | DE | OPRT | Via country |
| VPXB | EURONEXT - VENTES PUBLIQUES BRUSSELS | BE | SGMT | Via operating MIC |
| VTBC | VTB CAPITAL PLC | GB | OPRT | Via country |
| VTLS | TRADELINK | DE | SGMT | Via country |
| VTPS | TRADEPLUS | DE | SGMT | Via country |
| VUBA | VSEOBECNA UVEROVA BANKA, AS | SK | OPRT | Via country |
| VUSA | VIRTU AMERICAS LLC | US | OPRT | Via country |
| VWAP | CBOE EUROPE EQUITIES - NL | NL | SGMT | Via country |
| VWDA | VWD - APA SERVICE | DE | SGMT | Via country |
| VWDX | VWD TRANSACTIONSOLUTIONS AG | DE | OPRT | Via country |
| WABR | WALL STREET ACCESS NYC | US | SGMT | Via country |
| WBAH | WIENER BOERSE AG AMTLICHER HANDEL (OFFICIAL MARKET) | AT | SGMT | Via operating MIC |
| WBCL | WARSAW STOCK EXCHANGE/BONDS/CATALYST/LISTING | PL | SGMT | Via operating MIC |
| WBDM | WIENER BOERSE AG VIENNA MTF (VIENNA MTF) | AT | SGMT | Via operating MIC |
| WBDP | WIENER BOERSE AG DIRECT MARKET PLUS | AT | SGMT | Via operating MIC |
| WBKP | BANK ZACHODNI WBK S.A. | PL | OPRT | Via country |
| WBMA | WIENER BOERSE AG MIDPOINT AMTLICHER HANDEL (OFFICIAL MARKET) | AT | SGMT | Via operating MIC |
| WBON | WARSAW STOCK EXCHANGE/ BONDS/CATALYST/MAIN MARKET | PL | SGMT | Via operating MIC |
| WDER | WARSAW STOCK EXCHANGE/FINANCIAL DERIVATIVES | PL | SGMT | Yes |
| WELN | WEL | GB | OPRT | Via country |
| WELS | WELLS FARGO SECURITIES, LLC - EQUITIES | US | OPRT | Via country |
| WETP | WARSAW STOCK EXCHANGE/ ETPS | PL | SGMT | Via operating MIC |
| WFLB | WELLS FARGO BANK NA - LONDON BRANCH | GB | OPRT | Via country |
| WFLP | WELLS FARGO SECURITIES, LLC - EQUITIES - LIQUIDITY PROVIDERS | US | SGMT | Via country |
| WIND | WARSAW STOCK EXCHANGE/INDICES | PL | SGMT | Via operating MIC |
| WINS | WINTERFLOOD - ELECTRONIC PLATFORM | GB | OPRT | Via country |
| WINX | WINTERFLOOD - MANUAL TRADING | GB | SGMT | Via country |
| WIPO | WARSAW STOCK EXCHANGE - OTHER THAN XOFF OR XXXX | PL | SGMT | Via operating MIC |
| WMFS | WEMATCH | GB | OPRT | Via country |
| WMSL | WEMATCH - SBL | GB | SGMT | Via country |
| WMSW | WEMATCH - SWAPS | GB | SGMT | Via country |
| WMTF | WARSAW STOCK EXCHANGE/BONDS/CATALYST/MTF | PL | SGMT | Via operating MIC |
| WMUS | WEMATCH US | US | OPRT | Via country |
| WOOD | WOOD AND COMPANY FINANCIAL SERVICES, A.S. | CZ | OPRT | Via country |
| WQXL | EURONEXT - MARKET WITHOUT QUOTATIONS LISBON | PT | SGMT | Via operating MIC |
| WSAG | WALL STREET ACCESS | US | OPRT | Via country |
| WSBL | WEMATCH US - SBL | US | SGMT | Via country |
| WSIL | WELLS FARGO SECURITIES INTERNATIONAL | GB | OPRT | Via country |
| WTRS | WEMATCH US - SWAPS | US | SGMT | Via country |
| XABC | ABG SUNDAL COLLIER AB | SE | OPRT | Via country |
| XABG | ABG SUNDAL COLLIER ASA | NO | OPRT | Via country |
| XABX | ABAXX EXCHANGE | SG | OPRT | Via country |
| XACD | EURONEXT ACCESS DUBLIN | IE | SGMT | Via operating MIC |
| XADE | ATHENS EXCHANGE S.A. DERIVATIVES MARKET | GR | SGMT | Yes |
| XADF | FINRA ALTERNATIVE DISPLAY FACILITY (ADF) | US | SGMT | Via country |
| XADS | ABU DHABI SECURITIES EXCHANGE | AE | OPRT | Yes |
| XAFR | ALTERNATIVA FRANCE | FR | OPRT | Via country |
| XAFX | AFRICAN STOCK EXCHANGE | MU | OPRT | Via country |
| XALG | ALGIERS STOCK EXCHANGE | DZ | OPRT | Yes |
| XALS | ALBANIA SECURITIES EXCHANGE | AL | OPRT | Yes |
| XALT | ALTEX - ATS | GB | OPRT | Via country |
| XAMC | EURONEXT AMSTERDAM – MULTI-CURRENCY TRADING | NL | SGMT | Via operating MIC |
| XAMM | AMMAN STOCK EXCHANGE | JO | OPRT | Yes |
| XAMS | EURONEXT - EURONEXT AMSTERDAM | NL | OPRT | Yes |
| XAND | ASIANEXT DERIVATIVES | SG | OPRT | Via country |
| XANM | ASIANEXT TOKEN MARKETPLACE | SG | OPRT | Via country |
| XANS | ASIANEXT CRYPTO SPOT | SG | OPRT | Via country |
| XAPA | EURONEXT - APA | FR | SGMT | Via operating MIC |
| XAQS | AUTOMATED EQUITY FINANCE MARKETS | US | OPRT | Via country |
| XARM | ARMENIA STOCK EXCHANGE | AM | OPRT | – |
| XASE | NYSE AMERICAN LLC | US | SGMT | Via operating MIC |
| XASX | ASX - ALL MARKETS | AU | OPRT | Yes |
| XATH | ATHENS EXCHANGE S.A. CASH MARKET | GR | SGMT | Via operating MIC |
| XATL | ATLANTIC SECURITIES MARKET | IE | SGMT | Via operating MIC |
| XATS | ALPHA EXCHANGE | CA | OPRT | Via country |
| XATX | ALPHA-X | CA | SGMT | Via country |
| XBAA | BAHAMAS INTERNATIONAL SECURITIES EXCHANGE | BS | OPRT | Yes |
| XBAB | BARBADOS STOCK EXCHANGE | BB | OPRT | Yes |
| XBAH | BAHRAIN BOURSE | BH | OPRT | Yes |
| XBAN | BANGALORE STOCK EXCHANGE LTD | IN | OPRT | Via country |
| XBAR | BOLSA DE BARCELONA | ES | SGMT | Via country |
| XBBJ | JAKARTA FUTURES EXCHANGE (BURSA BERJANGKA JAKARTA) | ID | OPRT | Via country |
| XBBK | PERIMETER FINANCIAL CORP. - BLOCKBOOK ATS | CA | OPRT | Via country |
| XBCC | BOLSA DE COMERCIO DE CORDOBA | AR | OPRT | Via country |
| XBCL | LA BOLSA ELECTRONICA DE CHILE | CL | OPRT | Via country |
| XBCM | BOLSA DE COMERCIO DE MENDOZA S.A. | AR | OPRT | Via country |
| XBCV | BOLSA CENTROAMERICANA DE VALORES | HN | OPRT | – |
| XBCX | MERCADO DE VALORES DE MENDOZA S.A. | AR | SGMT | Via country |
| XBDA | BERMUDA STOCK EXCHANGE LTD | BM | OPRT | Yes |
| XBDV | BOLSA DE DIVIDA E VALORES DE ANGOLA (BODIVA) - ANGOLA SECURITIES EXCHANGE | AO | OPRT | – |
| XBEL | BELGRADE STOCK EXCHANGE | RS | OPRT | Yes |
| XBER | BOERSE BERLIN | DE | OPRT | Via country |
| XBES | JSE CASH BOND MARKET | ZA | SGMT | Via operating MIC |
| XBEY | BOURSE DE BEYROUTH - BEIRUT STOCK EXCHANGE | LB | OPRT | Yes |
| XBIL | BOLSA DE VALORES DE BILBAO | ES | SGMT | Via country |
| XBIS | BARBADOS STOCK EXCHANGE - INTERNATIONAL SECURITIES MARKET | BB | SGMT | Via operating MIC |
| XBKF | STOCK EXCHANGE OF THAILAND - FOREIGN BOARD | TH | SGMT | Via operating MIC |
| XBKK | STOCK EXCHANGE OF THAILAND | TH | OPRT | Yes |
| XBLB | BANJA LUKA STOCK EXCHANGE | BA | OPRT | Yes |
| XBLK | EURONEXT BLOCK 2 | FR | SGMT | Via operating MIC |
| XBLN | BLUENEXT | FR | OPRT | Via country |
| XBND | BUDAPEST STOCK EXCHANGE - XBOND | HU | SGMT | Via operating MIC |
| XBNV | BOLSA NACIONAL DE VALORES, S.A. | CR | OPRT | Yes |
| XBOG | BOLSA DE VALORES DE COLOMBIA | CO | OPRT | Yes |
| XBOL | BOLSA BOLIVIANA DE VALORES S.A. | BO | OPRT | – |
| XBOM | BSE LTD | IN | OPRT | Yes |
| XBOS | NASDAQ TEXAS | US | SGMT | Via operating MIC |
| XBOT | BOTSWANA STOCK EXCHANGE | BW | OPRT | Yes |
| XBOX | BOX OPTIONS EXCHANGE | US | OPRT | Yes |
| XBRA | BRATISLAVA STOCK EXCHANGE | SK | OPRT | Yes |
| XBRD | EURONEXT - EURONEXT BRUSSELS - DERIVATIVES | BE | SGMT | Yes |
| XBRM | ROMANIAN COMMODITIES EXCHANGE | RO | OPRT | Yes |
| XBRN | BX SWISS AG | CH | OPRT | Via country |
| XBRT | BRUT | US | SGMT | Via operating MIC |
| XBRU | EURONEXT - EURONEXT BRUSSELS | BE | OPRT | Yes |
| XBRV | BOURSE REGIONALE DES VALEURS MOBILIERES | CI | OPRT | Yes |
| XBRY | XBERRY | PL | OPRT | Via country |
| XBSD | DERIVATIVES REGULATED MARKET - BVB | RO | SGMT | Via operating MIC |
| XBSE | SPOT REGULATED MARKET - BVB | RO | OPRT | Yes |
| XBUD | BUDAPEST STOCK EXCHANGE | HU | OPRT | Yes |
| XBUE | BOLSA DE COMERCIO DE BUENOS AIRES | AR | OPRT | Yes |
| XBUL | BULGARIAN STOCK EXCHANGE | BG | OPRT | Yes |
| XBVC | CAPE VERDE STOCK EXCHANGE | CV | OPRT | – |
| XBVM | MOZAMBIQUE STOCK EXCHANGE | MZ | OPRT | Yes |
| XBVR | BOLSA DE VALORES DE LA REPUBLICA DOMINICANA SA. | DO | OPRT | – |
| XBXO | NASDAQ TEXAS OPTIONS | US | SGMT | Yes |
| XCAI | EGYPTIAN EXCHANGE | EG | OPRT | Yes |
| XCAL | CALCUTTA STOCK EXCHANGE | IN | OPRT | Via country |
| XCAN | CAN - ATS | RO | SGMT | Via operating MIC |
| XCAS | CASABLANCA STOCK EXCHANGE | MA | OPRT | Yes |
| XCAY | CAYMAN ISLANDS STOCK EXCHANGE | KY | OPRT | Yes |
| XCBD | CBOE DIGITAL EXCHANGE | US | SGMT | Via operating MIC |
| XCBF | CBOE FUTURES EXCHANGE | US | SGMT | Yes |
| XCBO | CBOE GLOBAL MARKETS INC. | US | OPRT | Yes |
| XCBT | CHICAGO BOARD OF TRADE | US | OPRT | Yes |
| XCDE | BAXTER FINANCIAL SERVICES | IE | OPRT | Via country |
| XCEC | COMMODITIES EXCHANGE CENTER | US | SGMT | Via operating MIC |
| XCEF | DEUTSCHE BOERSE - CEF - REAL-TIME FEED | DE | OPRT | Via country |
| XCET | UZBEK COMMODITY EXCHANGE | UZ | OPRT | – |
| XCFE | CHINA FOREIGN EXCHANGE TRADE SYSTEM | CN | OPRT | Via country |
| XCFF | CANTOR FINANCIAL FUTURES EXCHANGE | US | OPRT | Via country |
| XCGS | CHINESE GOLD AND SILVER EXCHANGE SOCIETY | HK | OPRT | Via country |
| XCHG | CHITTAGONG STOCK EXCHANGE LTD. | BD | OPRT | Via country |
| XCHI | NYSE TEXAS, INC. | US | SGMT | Via operating MIC |
| XCIE | THE INTERNATIONAL STOCK EXCHANGE | GG | OPRT | Yes |
| XCIS | NYSE NATIONAL, INC. | US | SGMT | Via operating MIC |
| XCME | CHICAGO MERCANTILE EXCHANGE | US | OPRT | Yes |
| XCNF | BOLSA DE COMERCIO CONFEDERADA S.A. | AR | OPRT | Via country |
| XCNQ | CANADIAN SECURITIES EXCHANGE | CA | OPRT | Via country |
| XCOL | COLOMBO STOCK EXCHANGE | LK | OPRT | Yes |
| XCOR | ICMA | GB | OPRT | Via country |
| XCRO | CROATIAN POWER EXCHANGE | HR | OPRT | Yes |
| XCSE | NASDAQ COPENHAGEN A/S | DK | OPRT | Yes |
| XCSX | CAMBODIA SECURITIES EXCHANGE | KH | OPRT | Yes |
| XCTS | BOERSE STUTTGART - TECHNICAL PLATFORM 4 | DE | SGMT | Via operating MIC |
| XCUE | UZBEKISTAN REPUBLICAN CURRENCY EXCHANGE | UZ | OPRT | – |
| XCUR | CURRENEX | US | OPRT | Via country |
| XCVD | CEVALDOM - OTC MARKET | DO | OPRT | – |
| XCX2 | CX2 | CA | SGMT | Via country |
| XCXD | NASDAQ CXD | CA | OPRT | Via country |
| XCYO | CYPRUS STOCK EXCHANGE - OTC | CY | SGMT | Via operating MIC |
| XCYS | CYPRUS STOCK EXCHANGE | CY | OPRT | Yes |
| XDAR | DAR ES SALAAM STOCK EXCHANGE | TZ | OPRT | Yes |
| XDCE | DALIAN COMMODITY EXCHANGE | CN | OPRT | Yes |
| XDES | DELHI STOCK EXCHANGE | IN | OPRT | Via country |
| XDEX | BOERSE STUTTGART - DIGITAL EXCHANGE | DE | SGMT | Via operating MIC |
| XDFB | JOINT-STOCK COMPANY “STOCK EXCHANGE INNEX” | UA | OPRT | – |
| XDFM | DUBAI FINANCIAL MARKET | AE | OPRT | Yes |
| XDHA | DHAKA STOCK EXCHANGE LTD | BD | OPRT | Yes |
| XDLP | SIX SWISS EXCHANGE - DEAL POOL - BOOK BUILDING AND ANNOUNCEMENT PLATFORM | CH | SGMT | Via operating MIC |
| XDMI | ITALIAN DERIVATIVES MARKET | IT | SGMT | Yes |
| XDNB | DNB BANK ASA | NO | OPRT | Via country |
| XDPA | CADE - MERCADO DE DEUDA PUBLICA ANOTADA | ES | OPRT | Via country |
| XDRF | AIAF - MERCADO DE RENTA FIJA | ES | SGMT | Via country |
| XDRK | TORONTO STOCK EXCHANGE - DRK | CA | SGMT | Via operating MIC |
| XDSE | DAMASCUS SECURITIES EXCHANGE | SY | OPRT | Yes |
| XDSM | BORSA ISTANBUL - DEBT SECURITIES MARKET | TR | SGMT | Via operating MIC |
| XDSX | DOUALA STOCK EXCHANGE | CM | OPRT | Yes |
| XDUB | IRISH STOCK EXCHANGE - ALL MARKET | IE | OPRT | Yes |
| XDUS | BOERSE DUESSELDORF | DE | OPRT | Yes |
| XEBI | ENERGY BROKING IRELAND GAS TRADING PLATFORM | IE | OPRT | Via country |
| XEBS | EBS UK MULTILATERAL TRADING FACILITY | GB | OPRT | Via country |
| XECB | ECB EXCHANGE RATES | DE | OPRT | Via country |
| XECC | EUROPEAN COMMODITY CLEARING AG | DE | OPRT | Via country |
| XECM | MTF - CYPRUS EXCHANGE | CY | SGMT | Via operating MIC |
| XECO | EURONEXT OTHER COMMODITY DERIV | NL | SGMT | Via operating MIC |
| XECS | EASTERN CARIBBEAN SECURITIES EXCHANGE | KN | OPRT | Yes |
| XEDA | ELECTRICITY DAY-AHEAD MARKET | TR | SGMT | Yes |
| XEEE | EUROPEAN ENERGY EXCHANGE | DE | OPRT | Yes |
| XEER | EUROPEAN ENERGY EXCHANGE - REGULATED MARKET | DE | SGMT | Via operating MIC |
| XEHQ | EUREX REPO - HQLA MARKET | DE | SGMT | Via country |
| XEID | ELECTRICITY INTRA-DAY MARKET | TR | SGMT | Yes |
| XELX | ELX | US | OPRT | Via country |
| XEMA | XETRA MIDPOINT REGULATED MARKET | DE | SGMT | Via operating MIC |
| XEMB | XETRA MIDPOINT OPEN MARKET | DE | SGMT | Via operating MIC |
| XEMD | MERCADO MEXICANO DE DERIVADOS | MX | OPRT | Via country |
| XEMI | XETRA MIDPOINT SCALE | DE | SGMT | Via operating MIC |
| XEMS | EMS EXCHANGE | NL | OPRT | Via country |
| XEQT | BOERSE BERLIN EQUIDUCT TRADING | DE | SGMT | Via country |
| XEQU | BOERSE BERLIN EQUIDUCT TRADING - US | DE | SGMT | Via country |
| XEQY | BORSA ISTANBUL - EQUITY MARKET | TR | SGMT | Via operating MIC |
| XERE | EUREX REPO - FUNDING AND FINANCING PRODUCTS | DE | SGMT | Via country |
| XERT | EUREX REPO - TRIPARTY | DE | SGMT | Via country |
| XESM | EURONEXT GROWTH DUBLIN | IE | SGMT | Via operating MIC |
| XETA | XETRA - REGULIERTER MARKT | DE | SGMT | Via operating MIC |
| XETB | XETRA - FREIVERKEHR | DE | SGMT | Via operating MIC |
| XETE | XETRA - NON-FINANCIAL INSTRUMENTS | DE | SGMT | Via operating MIC |
| XETF | EURONEXT ETF ACCESS | FR | SGMT | Via operating MIC |
| XETR | XETRA | DE | OPRT | Yes |
| XETS | XETRA - SCALE | DE | SGMT | Via operating MIC |
| XETU | XETRA - REGULIERTERMARKT - OFF-BOOK | DE | SGMT | Via operating MIC |
| XETV | XETRA - FREIVERKEHR - OFF-BOOK | DE | SGMT | Via operating MIC |
| XETW | XETRA - SCALE - OFF-BOOK | DE | SGMT | Via operating MIC |
| XETX | XETRA - NON-FINANCIAL INSTRUMENTS - OFF-BOOK | DE | SGMT | Via operating MIC |
| XEUC | EURONEXT COM, COMMODITIES FUTURES AND OPTIONS | NL | SGMT | Yes |
| XEUE | EURONEXT EQF, EQUITIES AND INDICES DERIVATIVES | NL | SGMT | Yes |
| XEUI | EURONEXT IRF, INTEREST RATE FUTURE AND OPTIONS | NL | SGMT | Via operating MIC |
| XEUM | EUREX REPO SECLEND MARKET | DE | SGMT | Via country |
| XEUP | EUREX REPO GMBH | DE | OPRT | Via country |
| XEUR | EUREX DEUTSCHLAND | DE | OPRT | Yes |
| XEYE | IRISH STOCK EXCHANGE - GLOBAL EXCHANGE MARKET | IE | SGMT | Via operating MIC |
| XFCI | FINANCIALCONTENT - INDEXES | US | SGMT | Via country |
| XFCX | FCX | AU | OPRT | Via country |
| XFDA | FINANCIALCONTENT - DIGITAL ASSET TRADE REPORTING FACILITY | US | SGMT | Via country |
| XFEX | FEX GLOBAL | AU | OPRT | Via country |
| XFKA | FUKUOKA STOCK EXCHANGE | JP | OPRT | Via country |
| XFNO | BORSA ISTANBUL - FUTURES AND OPTIONS MARKET | TR | SGMT | Yes |
| XFRA | DEUTSCHE BOERSE AG | DE | OPRT | Yes |
| XFTX | FTX | AG | OPRT | Via country |
| XGAI | GAMI ASSET INVESTMENT L.L.C | AE | OPRT | Via country |
| XGAS | CENTRAL EASTERN EUROPEAN GAS EXCHANGE LTD | HU | OPRT | Yes |
| XGAT | TRADEGATE BERLIN STOCK EXCHANGE - FREIVERKEHR | DE | SGMT | Via country |
| XGCL | GLOBAL COAL LIMITED | GB | OPRT | Via country |
| XGCX | GLOBAL COMMODITIES EXCHANGE | GB | SGMT | Via country |
| XGDX | GLOBAL DERIVATIVES EXCHANGE | GB | SGMT | Via country |
| XGEM | HONG KONG GROWTH ENTERPRISES MARKET | HK | SGMT | Via operating MIC |
| XGGI | GAMI GLOBAL INVESTMENT L.L.C | AE | OPRT | Via country |
| XGHA | GHANA STOCK EXCHANGE | GH | OPRT | Yes |
| XGLO | WARSAW STOCK EXCHANGE/ EQUITIES/GLOBAL CONNECT - MTF | PL | SGMT | Via operating MIC |
| XGME | GESTORE MERCATO ELETTRICO - ITALIAN POWER EXCHANGE | IT | OPRT | Yes |
| XGMX | GLOBALCLEAR MERCANTILE EXCHANGE | US | OPRT | Via country |
| XGPS | EURONEXT DUBLIN - MTF | IE | SGMT | Via operating MIC |
| XGRM | TRADEGATE BERLIN STOCK EXCHANGE - REGULIERTER MARKT | DE | SGMT | Via country |
| XGRW | BVB GROWTH MARKET | RO | SGMT | Via operating MIC |
| XGSE | GEORGIA STOCK EXCHANGE | GE | OPRT | Yes |
| XGSX | GLOBAL SECURITIES EXCHANGE | GB | SGMT | Via country |
| XGTG | BOLSA DE VALORES NACIONAL SA | GT | OPRT | – |
| XGUA | BOLSA DE VALORES DE GUAYAQUIL | EC | OPRT | Yes |
| XHAM | HANSEATISCHE WERTPAPIERBOERSE HAMBURG | DE | OPRT | Yes |
| XHAN | NIEDERSAECHSISCHE BOERSE ZU HANNOVER | DE | OPRT | Via country |
| XHEL | NASDAQ HELSINKI LTD | FI | OPRT | Yes |
| XHKF | HONG KONG FUTURES EXCHANGE LTD. | HK | OPRT | Yes |
| XHKG | HONG KONG EXCHANGES AND CLEARING LTD | HK | OPRT | Yes |
| XHNF | HANOI STOCK EXCHANGE - DERIVATIVES | VN | SGMT | Yes |
| XHNX | HANOI STOCK EXCHANGE (UNLISTED PUBLIC COMPANY TRADING PLATFORM) | VN | SGMT | Via operating MIC |
| XIBE | BAKU INTERBANK CURRENCY EXCHANGE | AZ | OPRT | Via country |
| XICE | NASDAQ ICELAND HF. | IS | OPRT | Yes |
| XICX | INSTINET CANADA CROSS | CA | OPRT | Via country |
| XIDX | INDONESIA STOCK EXCHANGE | ID | OPRT | Yes |
| XIEL | INSTINET EUROPE LIMITED | GB | OPRT | Via country |
| XIGG | BLOCKMATCH EUROPE | DE | OPRT | Via country |
| XIHK | INSTINET PACIFIC LTD | HK | OPRT | Via country |
| XIMA | INTERNATIONAL MARTIME EXCHANGE | NO | OPRT | Via country |
| XIMC | MULTI COMMODITY EXCHANGE OF INDIA LTD. | IN | OPRT | Yes |
| XIMM | INTERNATIONAL MONETARY MARKET | US | SGMT | Via operating MIC |
| XIMX | IMX HEALTH - FUTURES | US | OPRT | Via country |
| XINE | SHANGHAI INTERNATIONAL ENERGY EXCHANGE | CN | SGMT | Via operating MIC |
| XINS | INSTINET | US | OPRT | Via country |
| XINV | INVESTRO | DE | OPRT | Via country |
| XIOM | INDEX AND OPTIONS MARKET | US | SGMT | Via operating MIC |
| XIPO | HELEX ELECTRONIC BOOK BUILDING | GR | SGMT | Via operating MIC |
| XIQS | IRAQ STOCK EXCHANGE | IQ | OPRT | Yes |
| XISA | INTERNATIONAL SECURITIES EXCHANGE, LLC - ALTERNATIVE MARKETS | US | SGMT | Via operating MIC |
| XISE | INTERNATIONAL SECURITIES EXCHANGE, LLC - EQUITIES | US | SGMT | Via operating MIC |
| XIST | BORSA ISTANBUL | TR | OPRT | Yes |
| XISX | INTERNATIONAL SECURITIES EXCHANGE, LLC | US | OPRT | Yes |
| XJAM | JAMAICA STOCK EXCHANGE | JM | OPRT | Yes |
| XJAX | JAX | JP | OPRT | Via country |
| XJNB | JAKARTA NEGOTIATED BOARD | ID | OPRT | Via country |
| XJPX | JAPAN EXCHANGE GROUP | JP | OPRT | Yes |
| XJSE | JOHANNESBURG STOCK EXCHANGE | ZA | OPRT | Yes |
| XKAC | OSAKA DOJIMA COMMODITY EXCHANGE | JP | OPRT | Yes |
| XKAR | THE PAKISTAN STOCK EXCHANGE LIMITED | PK | OPRT | Yes |
| XKAZ | KAZAKHSTAN STOCK EXCHANGE | KZ | OPRT | Yes |
| XKBT | KANSAS CITY BOARD OF TRADE | US | SGMT | Via operating MIC |
| XKCE | KHOREZM INTERREGION COMMODITY EXCHANGE | UZ | OPRT | – |
| XKCM | KOREA EXCHANGE COMMODITY MARKET | KR | SGMT | Yes |
| XKEM | KOREA EXCHANGE EMISSIONS MARKET | KR | SGMT | Yes |
| XKFB | KOREA FREEBOARD MARKET | KR | OPRT | Via country |
| XKFE | KOREA EXCHANGE (FUTURES MARKET) | KR | SGMT | Yes |
| XKHA | KHARTOUM STOCK EXCHANGE | SD | OPRT | – |
| XKHR | KHARKOV COMMODITY EXCHANGE | UA | OPRT | – |
| XKIE | KIEV UNIVERSAL EXCHANGE | UA | OPRT | – |
| XKIS | KIEV INTERNATIONAL STOCK EXCHANGE | UA | OPRT | – |
| XKLS | BURSA MALAYSIA | MY | OPRT | Yes |
| XKON | KOREA NEW EXCHANGE | KR | SGMT | Via operating MIC |
| XKOS | KOREA EXCHANGE (KOSDAQ) | KR | SGMT | Via operating MIC |
| XKRX | KOREA EXCHANGE (STOCK MARKET) | KR | OPRT | Yes |
| XKSE | KYRGYZ STOCK EXCHANGE | KG | OPRT | – |
| XKUW | KUWAIT STOCK EXCHANGE | KW | OPRT | Yes |
| XLAO | LAO SECURITIES EXCHANGE | LA | OPRT | – |
| XLAT | MERCADO DE VALORES LATINOAMERICANOS (LATIBEX SMN) | ES | SGMT | Via country |
| XLBM | LONDON BULLION MARKET | GB | OPRT | Via country |
| XLCH | LCH LTD | GB | OPRT | Via country |
| XLDX | LONDON DERIVATIVES EXCHANGE | GB | SGMT | Via country |
| XLFX | LABUAN INTERNATIONAL FINANCIAL EXCHANGE | MY | OPRT | Via country |
| XLGT | LGT BANK AG | LI | OPRT | – |
| XLIM | BOLSA DE VALORES DE LIMA | PE | OPRT | Yes |
| XLIS | EURONEXT - EURONEXT LISBON | PT | OPRT | Yes |
| XLIT | AB NASDAQ VILNIUS | LT | OPRT | Yes |
| XLJM | SI ENTER | SI | SGMT | Via operating MIC |
| XLJU | LJUBLJANA STOCK EXCHANGE (OFFICIAL MARKET) | SI | OPRT | Yes |
| XLLB | LIECHTENSTEINISCHE LANDESBANK AG | LI | OPRT | – |
| XLME | LONDON METAL EXCHANGE | GB | OPRT | Yes |
| XLOM | LONDON STOCK EXCHANGE - MTF | GB | SGMT | Via operating MIC |
| XLON | LONDON STOCK EXCHANGE | GB | OPRT | Yes |
| XLOX | LONDON STOCK EXCHANGE - REFERENCE PRICE WAIVER SYSTEM | GB | SGMT | Via operating MIC |
| XLQC | LIQUIDITY CUBE PTY LTD | AU | OPRT | Via country |
| XLSM | LIBYAN STOCK MARKET | LY | OPRT | – |
| XLUS | LUSAKA STOCK EXCHANGE | ZM | OPRT | Yes |
| XLUX | LUXEMBOURG STOCK EXCHANGE | LU | OPRT | Yes |
| XMAB | MERCADO ABIERTO ELECTRONICO | AR | OPRT | Via country |
| XMAD | BOLSA DE MADRID | ES | SGMT | Yes |
| XMAE | MACEDONIAN STOCK EXCHANGE | MK | OPRT | Yes |
| XMAI | MARKET FOR ALTERNATIVE INVESTMENT | TH | SGMT | Via operating MIC |
| XMAL | MALTA STOCK EXCHANGE | MT | OPRT | Yes |
| XMAN | BOLSA DE VALORES DE NICARAGUA | NI | OPRT | – |
| XMAT | EURONEXT PARIS MATIF | FR | SGMT | Via operating MIC |
| XMAU | STOCK EXCHANGE OF MAURITIUS LTD | MU | OPRT | Yes |
| XMDG | MARCHE INTERBANCAIRE DES DEVISES M.I.D. | MG | OPRT | – |
| XMDS | MADRAS STOCK EXCHANGE | IN | OPRT | Via country |
| XMEM | MEMX LLC | US | OPRT | Via country |
| XMER | MERCHANTS' EXCHANGE | US | OPRT | Via country |
| XMEV | MERCADO DE VALORES DE BUENOS AIRES S.A. | AR | SGMT | Via operating MIC |
| XMEX | BOLSA MEXICANA DE VALORES (MEXICAN STOCK EXCHANGE) | MX | OPRT | Yes |
| XMFE | MIAX FUTURES EXCHANGE - OCC CLEARING | US | SGMT | Yes |
| XMFX | MEFF FX FINANCIAL DERIVATIVES | ES | SGMT | Yes |
| XMGE | MIAX FUTURES EXCHANGE, LLC | US | OPRT | Yes |
| XMIL | BORSA ITALIANA S.P.A. | IT | OPRT | Yes |
| XMIO | MIAMI INTERNATIONAL SECURITIES EXCHANGE | US | SGMT | Yes |
| XMLI | EURONEXT ACCESS PARIS | FR | SGMT | Via operating MIC |
| XMME | CYPRUS STOCK EXCHANGE - SMES | CY | SGMT | Via operating MIC |
| XMNT | BOLSA DE VALORES DE MONTEVIDEO | UY | OPRT | – |
| XMNX | MONTENEGRO STOCK EXCHANGE | ME | OPRT | Yes |
| XMOC | MONTREAL CLIMATE EXCHANGE | CA | OPRT | Via country |
| XMOD | THE MONTREAL EXCHANGE / BOURSE DE MONTREAL | CA | OPRT | Yes |
| XMOL | MOLDOVA STOCK EXCHANGE | MD | OPRT | – |
| XMON | EURONEXT PARIS MONEP | FR | SGMT | Via operating MIC |
| XMOS | CENTRAL COUNTERPARTY CLEARING CENTER MFB - JOINT-STOCK COMPANY | RU | OPRT | Yes |
| XMOT | EURONEXT - ACCESS MILAN | IT | SGMT | Via operating MIC |
| XMPW | MEFF POWER DERIVATIVES | ES | SGMT | Yes |
| XMRV | MEFF FINANCIAL DERIVATIVES | ES | SGMT | Yes |
| XMSM | EURONEXT DUBLIN | IE | SGMT | Via operating MIC |
| XMSW | MALAWI STOCK EXCHANGE | MW | OPRT | Yes |
| XMTB | MATBA-ROFEX | AR | OPRT | Via country |
| XMTI | BVB MTS INTERNATIONAL | RO | SGMT | Via operating MIC |
| XMTS | EUROMTS LTD | GB | OPRT | Via country |
| XMUN | BOERSE MUENCHEN | DE | OPRT | Via country |
| XMUS | MUSCAT STOCK EXCHANGE | OM | OPRT | Yes |
| XMVL | MERCADO DE VALORES DEL LITORAL S.A. | AR | SGMT | Via country |
| XMXT | MX2 LLC | US | OPRT | Via country |
| XNAF | SISTEMA ELETRÓNICO DE NEGOCIACION DE ACTIVOS FINANCIEROS | ES | OPRT | Via country |
| XNAI | NAIROBI STOCK EXCHANGE | KE | OPRT | Yes |
| XNAM | NAMIBIAN STOCK EXCHANGE | NA | OPRT | Yes |
| XNAS | NASDAQ - ALL MARKETS | US | OPRT | Yes |
| XNCD | NATIONAL COMMODITY AND DERIVATIVES EXCHANGE LTD | IN | OPRT | Yes |
| XNCM | NASDAQ CAPITAL MARKET | US | SGMT | Via operating MIC |
| XNCO | WARSAW STOCK EXCHANGE/ EQUITIES/NEW CONNECT - MTF | PL | SGMT | Via operating MIC |
| XNDQ | NASDAQ OPTIONS MARKET | US | SGMT | Yes |
| XNDU | PJSC NATIONAL DEPOSITORY OF UKRAINE | UA | OPRT | – |
| XNEC | NATIONAL STOCK EXCHANGE OF AUSTRALIA LIMITED | AU | OPRT | Via country |
| XNEP | NEPAL STOCK EXCHANGE | NP | OPRT | – |
| XNFI | NASDAQ FIXED INCOME TRADING | US | SGMT | Via operating MIC |
| XNGM | NORDIC GROWTH MARKET | SE | OPRT | Via country |
| XNGO | NAGOYA STOCK EXCHANGE | JP | OPRT | Via country |
| XNGS | NASDAQ GLOBAL SELECT MARKET | US | SGMT | Via operating MIC |
| XNIM | NASDAQ INTERMARKET | US | SGMT | Via operating MIC |
| XNKS | CENTRAL JAPAN COMMODITIES EXCHANGE | JP | OPRT | Via country |
| XNMS | NASDAQ GLOBAL MARKET | US | SGMT | Via operating MIC |
| XNOM | NOMISMA (LIECHTENSTEIN) AG | LI | OPRT | – |
| XNOR | NORDEA | FI | OPRT | Via country |
| XNRG | BVB ENERGY DERIVATIVES | RO | SGMT | Via operating MIC |
| XNSA | THE NIGERIAN STOCK EXCHANGE | NG | OPRT | Yes |
| XNSE | NATIONAL STOCK EXCHANGE OF INDIA | IN | OPRT | Yes |
| XNXC | NXCHANGE | NL | OPRT | Via country |
| XNXD | NXCHANGE B.V. MTF | NL | SGMT | Via country |
| XNYB | NYSE BONDS | US | SGMT | Via operating MIC |
| XNYE | NEW YORK MERCANTILE EXCHANGE - OTC MARKETS | US | SGMT | Via operating MIC |
| XNYL | NEW YORK MERCANTILE EXCHANGE - ENERGY MARKETS | US | SGMT | Via operating MIC |
| XNYM | NEW YORK MERCANTILE EXCHANGE | US | OPRT | Yes |
| XNYS | NEW YORK STOCK EXCHANGE, INC. | US | OPRT | Yes |
| XNZE | NZX - ALL MARKETS | NZ | OPRT | Yes |
| XOAA | OSLO BORS ASA - OSLO AXESS LIT X AUCTIONS | NO | SGMT | Via operating MIC |
| XOAD | OSLO AXESS NORTH SEA - DARK POOL | NO | SGMT | Via operating MIC |
| XOAM | NORDIC ALTERNATIVE BOND MARKET | NO | SGMT | Via operating MIC |
| XOAS | EURONEXT EXPAND OSLO | NO | SGMT | Via operating MIC |
| XOBD | OSLO BORS - DERIVATIVES MARKET | NO | SGMT | Yes |
| XODE | ODESSA COMMODITY EXCHANGE | UA | OPRT | – |
| XOFF | OFF-EXCHANGE TRANSACTIONS - LISTED INSTRUMENTS | ZZ | OPRT | – |
| XOSA | OSLO BORS - LIT X AUCTIONS | NO | SGMT | Via operating MIC |
| XOSC | OSLO CONNECT | NO | SGMT | Via operating MIC |
| XOSD | OSLO BORS NORTH SEA - DARK POOL | NO | SGMT | Via operating MIC |
| XOSE | OSAKA EXCHANGE | JP | SGMT | Yes |
| XOSJ | OSAKA EXCHANGE J-NET | JP | SGMT | Yes |
| XOSL | OSLO BORS | NO | OPRT | Yes |
| XOTP | OTP BANKA D.D. | HR | OPRT | Via country |
| XPAC | POSIT AUCTION | IE | SGMT | Via country |
| XPAE | PALESTINE SECURITIES EXCHANGE | PS | OPRT | Yes |
| XPAL | POSIT AUCTION UK | GB | SGMT | Via country |
| XPAR | EURONEXT - EURONEXT PARIS | FR | OPRT | Yes |
| XPET | STOCK EXCHANGE SAINT PETERSBURG | RU | OPRT | Via country |
| XPHL | NASDAQ PHLX | US | SGMT | Via operating MIC |
| XPHO | NASDAQ PHLX OPTIONS | US | SGMT | Yes |
| XPHS | PHILIPPINE STOCK EXCHANGE, INC. | PH | OPRT | Yes |
| XPHX | PEEL HUNT CROSSING | GB | SGMT | Via country |
| XPIC | SAINT-PETERSBURG CURRENCY EXCHANGE | RU | OPRT | Via country |
| XPMC | EURONEXT PARIS – MULTI-CURRENCY TRADING | FR | SGMT | Via operating MIC |
| XPMS | BORSA ISTANBUL - PRECIOUS METALS AND DIAMONDS MARKETS | TR | SGMT | Yes |
| XPOL | POSIT DARK UK | GB | SGMT | Via country |
| XPOM | PNGX MARKETS LIMITED | PG | OPRT | Yes |
| XPOR | NASDAQ PORTAL | US | SGMT | Via operating MIC |
| XPOS | POSIT DARK | IE | SGMT | Via country |
| XPOW | POWERNEXT | FR | OPRT | Yes |
| XPRA | PRAGUE STOCK EXCHANGE | CZ | OPRT | Yes |
| XPRI | PRIDNEPROVSK COMMODITY EXCHANGE | UA | OPRT | – |
| XPRM | PRAGUE STOCK EXCHANGE - MTF | CZ | SGMT | Via operating MIC |
| XPSF | EUROPEAN ENERGY EXCHANGE - REGULATED GAS MARKET | DE | SGMT | Via operating MIC |
| XPST | POSIT - ASIA PACIFIC | HK | OPRT | Via country |
| XPSX | NASDAQ PSX | US | SGMT | Via operating MIC |
| XPTY | LATIN AMERICAN STOCK EXCHANGE, INC. | PA | OPRT | Yes |
| XPUK | XP INVESTMENTS UK LLP | GB | OPRT | Via country |
| XPUS | XP INVESTMENTS US, LLC | US | OPRT | Via country |
| XPVT | LONDON STOCK EXCHANGE – PRIVATE SECURITIES MARKET | GB | SGMT | Via operating MIC |
| XPXE | POWER EXCHANGE CENTRAL EUROPE | CZ | OPRT | Yes |
| XQMH | SIX SWISS EXCHANGE - STRUCTURED PRODUCTS | CH | SGMT | Via operating MIC |
| XQOD | SIX SWISS EXCHANGE - ETF QOD | CH | SGMT | Via operating MIC |
| XQTX | BOERSE DUESSELDORF - QUOTRIX | DE | SGMT | Via operating MIC |
| XQUI | BOLSA DE VALORES DE QUITO | EC | OPRT | Yes |
| XRAS | RASDAQ | RO | SGMT | Via operating MIC |
| XRBM | RINGGIT BOND MARKET | MY | OPRT | Via country |
| XREP | SIX REPO AG - CH REPO MARKET | CH | SGMT | Via country |
| XRFQ | POSIT RFQ | IE | SGMT | Via country |
| XRIS | NASDAQ RIGA AS | LV | OPRT | Yes |
| XRMO | RM-SYSTEM CZECH STOCK EXCHANGE - MTF | CZ | SGMT | Via country |
| XRMZ | RM-SYSTEM CZECH STOCK EXCHANGE | CZ | OPRT | Via country |
| XROS | BOLSA DE COMERCIO ROSARIO | AR | OPRT | Via country |
| XROT | SIX REPO AG - OTC SPOT MARKET | CH | SGMT | Via country |
| XROX | MERCADO DE VALORES DE ROSARIO S.A. | AR | SGMT | Via country |
| XRPM | ROMANIAN POWER MARKET | RO | OPRT | Yes |
| XRSP | PEEL HUNT RETAIL | GB | SGMT | Via country |
| XRUS | INTERNET DIRECT-ACCESS EXCHANGE | RU | OPRT | Via country |
| XSAF | JSE EQUITY DERIVATIVES MARKET | ZA | SGMT | Yes |
| XSAM | SAMARA CURRENCY INTERBANK EXCHANGE | RU | OPRT | Via country |
| XSAP | SAPPORO SECURITIES EXCHANGE | JP | OPRT | Via country |
| XSAT | SPOTLIGHT STOCK MARKET AB | SE | OPRT | Via country |
| XSAU | SAUDI STOCK EXCHANGE | SA | OPRT | Yes |
| XSBI | JAPANNEXT - X - MARKET | JP | SGMT | Via country |
| XSBT | SGX BOND PRO | SG | SGMT | Via operating MIC |
| XSC1 | BOERSE FRANKFURT WARRANTS TECHNICAL 1 | DE | SGMT | Via country |
| XSC2 | BOERSE FRANKFURT WARRANTS TECHNICAL 2 | DE | SGMT | Via country |
| XSC3 | BOERSE FRANKFURT WARRANTS TECHNICAL 3 | DE | SGMT | Via country |
| XSCA | SGX CATALIST | SG | SGMT | Via operating MIC |
| XSCE | SGX COMMODITIES | SG | SGMT | Yes |
| XSCO | BOERSE FRANKFURT WARRANTS TECHNICAL | DE | OPRT | Via country |
| XSCU | STOXX LIMITED - CUSTOMIZED INDICES | CH | SGMT | Via country |
| XSEB | SIX SWISS EXCHANGE - EBBO BOOK | CH | SGMT | Via operating MIC |
| XSEC | SHENZHEN STOCK EXCHANGE - SHENZHEN - HONG KONG STOCK CONNECT | CN | SGMT | Via operating MIC |
| XSES | SINGAPORE EXCHANGE | SG | OPRT | Yes |
| XSFA | JSE COMMODITY DERIVATIVES MARKET | ZA | SGMT | Yes |
| XSFE | ASX - TRADE24 | AU | SGMT | Yes |
| XSGA | SOCIETE GENERALE | FR | OPRT | Via country |
| XSGB | SOCIETE GENERALE (LONDON BRANCH) | GB | OPRT | Via country |
| XSGE | SHANGHAI FUTURES EXCHANGE | CN | OPRT | Yes |
| XSGL | SGX GLOBAL LISTING | SG | SGMT | Via operating MIC |
| XSGO | SANTIAGO STOCK EXCHANGE | CL | OPRT | Yes |
| XSHE | SHENZHEN STOCK EXCHANGE | CN | OPRT | Yes |
| XSHG | SHANGHAI STOCK EXCHANGE | CN | OPRT | Yes |
| XSIB | SIBERIAN EXCHANGE | RU | OPRT | Via country |
| XSIM | SGX DERIVATIVES MARKET | SG | SGMT | Yes |
| XSOP | BSP REGIONAL ENERGY EXCHANGE - SOUTH POOL | SI | OPRT | Yes |
| XSPM | EURONEXT STRUCTURED PRODUCTS MTF | FR | SGMT | Via operating MIC |
| XSPS | SOUTH PACIFIC STOCK EXCHANGE | FJ | OPRT | Yes |
| XSSC | SHANGHAI STOCK EXCHANGE - SHANGHAI - HONG KONG STOCK CONNECT | CN | SGMT | Via operating MIC |
| XSSE | SARAJEVO STOCK EXCHANGE | BA | OPRT | Yes |
| XSTC | HOCHIMINH STOCK EXCHANGE | VN | OPRT | Yes |
| XSTE | REPUBLICAN STOCK EXCHANGE | UZ | OPRT | – |
| XSTF | BOERSE STUTTGART - TECHNICAL PLATFORM 2 | DE | SGMT | Via operating MIC |
| XSTM | FIDELITY CROSSSTREAM ATS | US | SGMT | Via country |
| XSTO | NASDAQ STOCKHOLM AB | SE | OPRT | Yes |
| XSTP | BOERSE STUTTGART - TECHNICAL PLATFORM 3 | DE | SGMT | Via operating MIC |
| XSTU | BOERSE STUTTGART | DE | OPRT | Yes |
| XSTV | STOXX LIMITED - VOLATILITY INDICES | CH | SGMT | Via country |
| XSTX | STOXX LIMITED - INDICES | CH | SGMT | Via country |
| XSVA | EL SALVADOR STOCK EXCHANGE | SV | OPRT | Yes |
| XSWA | ESWATINI STOCK EXCHANGE | SZ | OPRT | Yes |
| XSWB | SWX SWISS BLOCK | GB | OPRT | Via country |
| XSWM | SIX SWISS EXCHANGE - SIX SWISS EXCHANGE AT MIDPOINT | CH | SGMT | Via operating MIC |
| XSWX | SIX SWISS EXCHANGE | CH | OPRT | Yes |
| XTAE | TEL AVIV STOCK EXCHANGE | IL | OPRT | Yes |
| XTAF | TAIWAN FUTURES EXCHANGE | TW | OPRT | Yes |
| XTAI | TAIWAN STOCK EXCHANGE | TW | OPRT | Yes |
| XTAL | NASDAQ TALLINN AS | EE | OPRT | Yes |
| XTAM | TOKYO STOCK EXCHANGE-TOKYO PRO MARKET | JP | SGMT | Via operating MIC |
| XTEH | TEHRAN STOCK EXCHANGE | IR | OPRT | – |
| XTFF | TOKYO FINANCIAL EXCHANGE | JP | OPRT | Via country |
| XTIR | TIRANA STOCK EXCHANGE | AL | OPRT | Via country |
| XTK1 | TOKYO STOCK EXCHANGE - TOSTNET-1 | JP | SGMT | Via operating MIC |
| XTK2 | TOKYO STOCK EXCHANGE - TOSTNET-2 | JP | SGMT | Via operating MIC |
| XTK3 | TOKYO STOCK EXCHANGE - TOSTNET-3 | JP | SGMT | Via operating MIC |
| XTKS | TOKYO STOCK EXCHANGE | JP | SGMT | Via operating MIC |
| XTKT | TOKYO COMMODITY EXCHANGE | JP | SGMT | Yes |
| XTND | BUDAPEST STOCK EXCHANGE - XTEND | HU | SGMT | Via operating MIC |
| XTNX | TSX VENTURE EXCHANGE - NEX | CA | SGMT | Via operating MIC |
| XTRD | XTRD | US | OPRT | Via country |
| XTRN | TRINIDAD AND TOBAGO STOCK EXCHANGE | TT | OPRT | Yes |
| XTRZ | ZAGREB MONEY AND SHORT TERM SECURITIES MARKET INC | HR | OPRT | Via country |
| XTSE | TORONTO STOCK EXCHANGE | CA | OPRT | Yes |
| XTSI | XTB S.A. | PL | OPRT | Via country |
| XTSX | TSX VENTURE EXCHANGE | CA | OPRT | Yes |
| XTUC | NUEVA BOLSA DE COMERCIO DE TUCUMAN S.A. | AR | SGMT | Via country |
| XTUN | TUNIS STOCK EXCHANGE (BOURSE DE TUNIS) | TN | OPRT | Yes |
| XTXD | XTX DIRECT | US | OPRT | Via country |
| XTXE | XTX MARKETS SAS | FR | OPRT | Via country |
| XTXM | XTX MARKETS | GB | OPRT | Via country |
| XUAX | UKRAINIAN STOCK EXCHANGE | UA | OPRT | – |
| XUGA | UGANDA SECURITIES EXCHANGE | UG | OPRT | Yes |
| XUKR | UKRAINIAN UNIVERSAL COMMODITY EXCHANGE | UA | OPRT | – |
| XULA | MONGOLIAN STOCK EXCHANGE | MN | OPRT | – |
| XUNI | UNIVERSAL BROKER'S EXCHANGE 'TASHKENT' | UZ | OPRT | – |
| XUSE | UNITED STOCK EXCHANGE | IN | OPRT | Via country |
| XVAL | BOLSA DE VALENCIA | ES | SGMT | Via country |
| XVES | VESTIMA | LU | OPRT | Via country |
| XVIE | WIENER BOERSE AG, WERTPAPIERBOERSE (SECURITIES EXCHANGE) | AT | SGMT | Via operating MIC |
| XVPA | BOLSA DE VALORES Y PRODUCTOS DE ASUNCION SA | PY | OPRT | – |
| XVPB | VP BANK AG | LI | OPRT | – |
| XWAP | CBOE EUROPE EQUITIES - LONDON | GB | SGMT | Via country |
| XWAR | WARSAW STOCK EXCHANGE/EQUITIES/MAIN MARKET | PL | OPRT | Yes |
| XWBO | WIENER BOERSE AG | AT | OPRT | Yes |
| XXSC | FRANKFURT CEF SC | DE | OPRT | Via country |
| XXXX | NO MARKET (E.G. UNLISTED) | ZZ | OPRT | – |
| XYIE | TRADEWEB AUSTRALIA | AU | OPRT | Via country |
| XZAG | ZAGREB STOCK EXCHANGE | HR | OPRT | Yes |
| XZAP | PROGRESS MARKET | HR | SGMT | Via operating MIC |
| XZCE | ZHENGZHOU COMMODITY EXCHANGE | CN | OPRT | Yes |
| XZIM | ZIMBABWE STOCK EXCHANGE | ZW | OPRT | Yes |
| YKNA | COMHAR CAPITAL MARKETS, LLC - US EQUITIES | US | OPRT | Via country |
| YLDX | JSE INTEREST RATE DERIVATIVES MARKET | ZA | SGMT | Via operating MIC |
| ZAPA | ZAGREB STOCK EXCHANGE - APA | HR | SGMT | Via operating MIC |
| ZARX | ZAR X | ZA | OPRT | Via country |
| ZBUL | BULGARIAN STOCK EXCHANGE - MAIN MARKET | BG | SGMT | Via operating MIC |
| ZBXE | ZBX | MT | OPRT | Via country |
| ZERO | ZERO HASH | US | SGMT | Via country |
| ZFXM | JSE CURRENCY DERIVATIVES MARKET | ZA | SGMT | Yes |
| ZHEU | ZERO HASH EUROPE | NL | OPRT | Via country |
| ZKBX | ZURCHER KANTONALBANK SECURITIES EXCHANGE | CH | OPRT | Via country |
| ZOBX | ZOBEX | DE | SGMT | Via country |
| ZODM | ZODIA MARKETS | GB | OPRT | Via country |