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US Stock Market Status (NYSE/Nasdaq)
x402
US Stock Market Status (NYSE/Nasdaq) is a paid API for AI agents from market-calendar.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Returns whether the US stock market is currently open or closed at a given instant, including session type, trading hours, early close info, and next open time.
Price / call$0.02
Success—
StatusUnknown
How this service works
Is the US stock market (NYSE/Nasdaq) open right now or at a given time: session, hours, early close and the next open.
Output
Returns a JSON object with: open (boolean), session (e.g. 'regular', 'pre', 'post', 'closed'), regularOpenEt/regularCloseEt (HH:MM strings), earlyClose (time if applicable), holiday (name if applicable), reasons (array of closure reasons), nextRegularOpenDate, easternDate, easternTime, summary (human-readable string), verdict, asOf (UTC instant checked), degraded (whether data may be stale), disclaimer, and source.
Example use cases
Pre-trade market hours check
“Before I place this trade, can you confirm the NYSE is currently open and what session we're in right now?”
Holiday early close detection
“Is the stock market doing an early close on the day after Thanksgiving this year — like November 28, 2025? What time does it close?”
Automated trading bot gate
“Check whether the US stock market will be open at 9:35am Eastern on December 24, 2025, and tell me the next regular open if it's closed.”
Technical details
Endpoint
GEThttps://market-calendar.x402tookit.com/market-status-us?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time or point-in-time US equity market status for NYSE or Nasdaq, especially when you need structured output including session type, early close detection, and next open time. Prefer this over general calendar APIs when financial market precision is required — it handles official early closes (1 PM days) and holiday schedules from the exchange calendar.
Side effects
- Invalid ISO 8601 timestamp returns a parsing error
- Far-future or far-past dates may return degraded=true if holiday data is unavailable
- Network timeouts possible if upstream calendar data is unavailable
- Non-US market queries are not supported by this endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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