FACTUAL SESSION GUIDE
23/5 Trading
A market structure that pauses for one hour each trading day. Planned and live implementations must be distinguished.
- Typical hours
- Twenty-three trading hours per weekday, with a daily maintenance break
- What “open” means
- Orders may execute only on participating venues, in eligible securities, under applicable broker rules.
- Important limitation
- Hours, eligible symbols, liquidity and order types vary. A broker accepting an order does not necessarily mean it can execute immediately.
Start with official schedules
Last verified: August 24, 2026