SSE is OPEN.
A scheduled trading day. · 22 December 2026
Cash equities · Asia/Shanghai · Not a live session indicator.
Review state: source_checked
Not applicable.
A settlement lag is not a settlement-day calendar. A separate clearing source is required.
A record you can trace.
- Source / notice copy
- 2026 holiday arrangements — SSE [2025] 45 ↗
- Source checked / method
- 2026-09-27 · official_page
- Human verification
- Pending — not represented as verified
- Changed at / data version
- — /
2026.09.28-rc.5 - Sources used by each field
Show day / evening / incoming-night evidence
status· annual_calendar_and_weekend_rule
sse.2026 ↗night_session· not_applicable
No independent evidence / not applicableincoming_night_session· not_applicable
No independent evidence / not applicablesettlement· independent_calendar_not_loaded
No independent evidence / not applicable- Scope / time zone
exchange_day· Asia/Shanghai
Is SSE open on 22 December 2026?
SSE: OPEN — Scheduled trading day. Calendar date:22 December 2026. Source-check status:source_checked.
Does the evening belong to this trading date?
The night_session field describes the evening starting on the selected civil date. incoming_night_session describes the overnight component assigned to the selected trading date. They are different questions.{"basis":"trading_date","trading_date":"2026-12-22","civil_date":null,"has":false,"reason":"not_applicable"}
One date. A structured answer.
The page and API use the same calendar engine. Every supported record links back to its source.
GET /api/v1/status?date=2026-12-22