Diurn
MIC codes / REST

REST

OSTTRA SEF MTF - RESET - RISK MITIGATION SERVICES

LONDON, GB · a segment of NEXS

Trading days

Answered by the national calendar for GB.

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

Hours on an ordinary day, Europe/London time: 08:00–16:35verified

Coming up

Thu, 24 Dec 2026Christmas Eve08:00–12:35Early close
Fri, 25 Dec 2026Christmas DayClosed
Mon, 28 Dec 2026Boxing DayClosed
Thu, 31 Dec 2026New Year's Eve08:00–12:35Early close
Fri, 1 Jan 2027New Year's DayClosed

Recently

Nothing out of the ordinary.

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

Registry record

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

Operating MICNEXS
TypeSGMT
Market nameOSTTRA SEF MTF - RESET - RISK MITIGATION SERVICES
Legal entityOSTTRA SEF LIMITED
LEI2138008LPQ92DIHKHY20
Market categorySEFS
AcronymNSL
CountryGB
CityLONDON
WebsiteHTTPS://OSTTRA.COM/OSTTRA-SEF/
StatusACTIVE
Created2017-12-25
Last updated2025-12-22
Last validated2025-12-22
CommentsSWAP EXECUTION FACILITY.