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.