Trading Hours

Trading hours schedule for markets that are not open 24/7 (e.g. traditional asset markets). Present in markets as tradingHours. Omit entirely (or return null) for perpetual crypto markets that trade continuously.

Schema

Field	Type	Required	Description
timezone	string	yes	IANA timezone name e.g. "America/New_York", "Europe/London".
schedule	string	yes	Human-readable schedule string e.g. "Mon–Fri 09:30–16:00".
isCurrentlyOpen	boolean	yes	Whether the market is open at the time of the response.
nextOpenAt	ISO8601	no	Timestamp of the next market open. Omit if currently open or unknown.

Example

{
  "timezone": "America/New_York",
  "schedule": "Mon–Fri 09:30–16:00",
  "isCurrentlyOpen": true,
  "nextOpenAt": null
}

{
  "timezone": "America/New_York",
  "schedule": "Mon–Fri 09:30–16:00",
  "isCurrentlyOpen": false,
  "nextOpenAt": "2026-04-21T13:30:00Z"
}

Notes

• isCurrentlyOpen must be evaluated at response time in the market's local timezone.

• nextOpenAt should account for holidays and closures where known.

• Crypto perpetual markets should omit tradingHours entirely — they are always open.