Trading days
Answered by the national calendar for US.
Hours on an ordinary day, America/New_York time: 09:30–16:00
Coming up
| Thu, 26 Nov 2026 | Thanksgiving Day | ||
| Fri, 27 Nov 2026 | Day after Thanksgiving | 09:30–13:00 | |
| Thu, 24 Dec 2026 | Christmas Eve | 09:30–13:00 | |
| Fri, 25 Dec 2026 | Christmas Day | ||
| Fri, 1 Jan 2027 | New Year's Day |
Recently
| Mon, 7 Sept 2026 | Labor Day |
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/SGBX/status curl "https://api.diurn.io/v1/venues/SGBX/sessions?from=2026-11-06&to=2027-01-07"
Registry record
ISO 10383, as published on 2026-10-12.
| Operating MIC | GSCO |
|---|---|
| Type | SGMT |
| Market name | SIGMA X2 - BENCHMARK CROSS |
| Legal entity | GOLDMAN SACHS & CO. LLC |
| LEI | FOR8UP27PHTHYVLBNG30 |
| Market category | ATSS |
| Country | US |
| City | NEW YORK |
| Website | WWW.GOLDMANSACHS.COM |
| Status | ACTIVE |
| Created | 2025-06-23 |
| Last updated | 2025-06-23 |
| Last validated | 2025-06-23 |
| Comments | SIGMA X2 (SGMT) IS THE ATS OF REGISTERED BROKER-DEALER GOLDMAN SACHS AND CO (GSCO). |