CME Reference Data API - CME Globex Trading Hours and Holiday Schedules

The API service provides a repeating group of attributes that include the relevant information on the market state of futures and option products traded on CME Globex.

Clients can access two years of trading schedules, including 1 year of historical schedules and 1 year forward-looking schedules.

Prior notification of unplanned holidays and/or schedule changes via the following methods:

• Check for unplanned changes via a banner located on CME Group Holiday and Trading Hours 

• Subscribe to Special Executive Orders (SER) at  Subscription Center 

• Targeted Messaging

To receive GCC Targeted Messaging, or to update your existing subscription, please complete the GCC Targeted Messaging Subscription Form and return it as an attachment to GCC@cmegroup.com. Ensure your email includes “Subscribe” in the subject line.”

Trading Schedules URL by Environment

Client systems will send Query Requests by invoking the HTTPS GET method to a URL using pagination. The query must include page and size parameter must be less than 30. If pagination (page and size values) is passed in the URL explicitly, then the same will be used to retrieve data.

Message Specifications