Futures

As previously announced in the July 18, 2025 Alert, MIAX Futures will introduce support for End-of-Day Cancel Notifications for expiring Simple and Complex orders over the FIX Order Interface (FOI), FIX Drop (FXD) and Futures Express Interface (FEI). These features will be available in Production on the evening of August 19, 2025 for the August 20, 2025 Trade Date.

1. Enhancement Details: After the Instruments transition to Closed for each Trading Day, End-of-Day Cancel Notifications will be sent using the FOI and FXD Execution Report and the FEI Cancel/Reduce Size Order Notification Message as follows:
   1. Day Orders: Cancels will be sent at the end of each Trading Day
   2. GTC Orders: Cancels will be sent on the Expiration Day of the Instrument
      1. Note: For Complex Instruments, the Expiration Day will be the earliest Expiration Day of the Components of the Strategy
   3. GTD Orders: Cancels will be sent on the Expire Date provided on the order
      1. Note: If the Expire Date provided on the order is a holiday or a weekend, the order cancel message will be sent on the Trading Day prior to the holiday or weekend
   4. Other details:
      1. The FEI Cancel/Reduce Size Reason code for these cancels will be “C” for Time in Force cancelled
      2. The FOI and FXD Execution Report Reason code for these cancels will be “0: TimeInForce Cancel”
      3. All order cancellations occurring will be disseminated on the Depth of Market (“DOM”) Feed using the Delete Order Message
2. Test Environment Details:
   1. The End-of-Day Cancel Notifications are currently available in the Firm Test Bed Environment (FTB) for testing

If you have any questions, please contact MIAX Futures Trading Operations at MIAXFuturesTradingOperations@miaxglobal.com or (609) 897-7303.

To learn more about MIAX Futures, please contact Sales at Sales@miaxglobal.com, (609) 897-8177 or visit miaxglobal.com.

To register or revise MIAX Futures Alert subscriptions, visit MIAX Email Subscriptions.