Get Current Market Status
This endpoint retrieves the current status of the market, including whether it is open or closed, and any relevant information about trading pauses or restrictions. When the market is not open, the response provides details about the closure reason and expected reopening time.
Typical Market Sessions
The following table outlines the standard market sessions with brief transitional pauses between each session period.
| Session | Start Time | End Time |
|---|---|---|
| Pause | 3:55 AM ET | 4:01 AM ET |
| Premarket | 4:01 AM ET | 9:29 AM ET |
| Pause | 9:29 AM ET | 9:31 AM ET |
| Regular | 9:31 AM ET | 3:59 PM ET |
| Pause | 3:59 PM ET | 4:01 PM ET |
| Postmarket | 4:01 PM ET | 7:59 PM ET |
| Pause | 7:59 PM ET | 8:05 PM ET |
| Overnight | 8:05 PM ET | 3:55 AM ET |
Typical Holidays
GM observes the same holiday schedule as the New York Stock Exchange. This includes early closes and observed holidays.
Unscheduled Downtime
In the case of unscheduled downtime, trading may be paused without prior notice. This includes unexpected outages or maintenance events that impact GM’s functionality.
Market Status Reason Codes
When the market is not open, the response will include a reason field which may include one of the following common codes:
MARKET_CLOSED: Market is closed.MARKET_PAUSED: Market is temporarily paused.
Asset Tradability This endpoint only returns market-wide closures. For per-asset tradability, use the following endpoints:
- Individual assets may pause for dividends and other events, as indicated by
/v1/status/assets. (See Get Asset Statuses) - Certain assets do not trade during the overnight and pre/postmarket session, as indicated by
/v1/assets/{symbol}/market. (See Get Market Data for an Asset / Get Market Data for All Supported Assets)
For caching details on this endpoint, please see: Endpoint Caching.
Authorizations
Response
OK
The UTC timestamp of the market status check in ISO 8601 format.
"2025-08-20T21:03:02Z"
Indicates whether the market is currently open or closed to trading.
true
The current status of the market.
regular, premarket, postmarket, overnight, paused, closed "postmarket"
The next market open session of the market.
regular, premarket, postmarket, overnight "overnight"
The next market open time in ISO 8601 format (UTC).
"2025-08-21T00:05:00Z"
The next market close time in ISO 8601 format (UTC).
"2025-08-20T23:59:00Z"
Reason for market closure or pause.
null