Diurn
MIC codes / CDEL

CDEL

CITADEL SECURITIES ATS

NEW YORK, US · expired

Trading days

Answered by the national calendar for US.

Oct 2026
Nov 2026
Dec 2026
OpenWeekendClosedEarly closeOpen for some productsSofter: most markets also closedBeyond what we can answerToday

Hours on an ordinary day, America/New_York time: 09:30–16:00corroborated

Coming up

Thu, 26 Nov 2026Thanksgiving DayClosed
Fri, 27 Nov 2026Day after Thanksgiving09:30–13:00Early close
Thu, 24 Dec 2026Christmas Eve09:30–13:00Early close
Fri, 25 Dec 2026Christmas DayClosed
Fri, 1 Jan 2027New Year's DayClosed

Recently

Mon, 7 Sept 2026Labor DayClosed

From the API

The same answers, live, for any date the calendar reaches. Asking whether a venue is open needs no key.

curl https://api.diurn.io/v1/venues/CDEL/status
curl "https://api.diurn.io/v1/venues/CDEL/sessions?from=2026-11-06&to=2027-01-07"

Registry record

ISO 10383, as published on 2026-10-12.

Operating MICCDEL
TypeOPRT
Market nameCITADEL SECURITIES ATS
Legal entityCITADEL SECURITIES LLC
Market categoryATSS
CountryUS
CityNEW YORK
WebsiteWWW.CITADELGROUP.COM
StatusEXPIRED
Created2011-05-23
Last updated2015-11-23
Expires2015-11-23
CommentsATS FOR EQUITIES.