Futures

As previously announced in the September 11, 2026 alert, MIAX Futures Unique Instrument Codes (“UICs”) for each product are available in CSV format on the MIAX Futures website under the Onyx Listings and MIAX Futures Market Regulation Policies & Resources links. Additionally, this new UIC file will be available for MIAX Futures Exchange market participants via MIAX's Secure FTP Server.
 
UIC File Details:

1. The UIC file provides unique instrument identifier information for a particular instrument or contract for purposes of Large Trader Reporting.
2. This file is offered to both trading firms and Clearing Member firms.
3. This file is generated daily and will be delivered to market participants via the MIAX Futures website and MIAX's Secure FTP Server shortly after the end of the Trading Date for the next Trading Date.
4. Firms can contact MIAX Futures Trading Operations to request further details and to set up access to receive this file.

 MIAX Futures Onyx Resources:

1. Please visit the MIAX Futures Onyx for the most recent information.
2. To view the Large Trader Reporting Advisory or other Market Regulation Resources, please visit MIAX Futures Market Regulation Policies & Resources.

For regulatory or technical inquiries regarding Large Trader Reporting, please contact MIAX Futures Market Regulation at MIAXFuturesMarketReg@miaxglobal.com.

To establish or update market data agreements, please contact MIAX Market Data at MarketDataSupport@miaxglobal.com.

Participants can request reports and specifications by contacting MIAX Futures Trading Operations at MIAXFuturesTradingOperations@MIAXOptions.com or (609) 897-7303.

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

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