Diurn
MIC codes / TWSA

TWSA

TRADEWEB COMPANY - ATS

RIYADH, SA

Trading days

Answered by the national calendar for SA.

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

Hours on an ordinary day, Asia/Riyadh time: 10:00–15:10verified

Coming up

Nothing out of the ordinary.

Recently

Wed, 23 Sept 2026Saudi National 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/TWSA/status
curl "https://api.diurn.io/v1/venues/TWSA/sessions?from=2026-11-06&to=2027-01-07"

Registry record

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

Operating MICTWSA
TypeOPRT
Market nameTRADEWEB COMPANY - ATS
Legal entityTRADEWEB COMPANY
LEI213800IXVLRF6R8EU183
Market categoryATSS
AcronymTWSA
CountrySA
CityRIYADH
WebsiteWWW.TRADEWEB.COM
StatusACTIVE
Created2025-08-25
Last updated2025-08-25
Last validated2025-08-25