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MIAX Futures Exchange offers access to futures products as a Designated Contract Market (DCM) and Derivatives Clearing Organization (DCO).

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Technical Alert, Trading Alert

MIAX Futures

September 28, 2026 | 11:01 AM

MIAX Futures Exchange - Financials - Onyx Trading Platform - Roll-Out Schedule for New Enhancements

As previously announced in the June 23, 2026 and August 31, 2026 Alerts, MIAX Futures will introduce the following enhancements on the MIAX Futures Onyx Financials Trading Platform in the NY5 Data Center.
 
A MIAX Futures Onyx 2026 Release Guide has been published on the website and is also attached to this Alert.

  1. New Enhancements:
    1. New Features:
      1. Reserve Orders
      2. Market Data dissemination of Instrument Definitions with an Instrument Listing Status (Active/Inactive)
    2. Interface Specification Upgrades:
      1. Depth of Market (DoM) Feed – Version 1.3 (MANDATORY)
      2. Top of Market (DoM) Feed – Version 1.3 (MANDATORY)
      3. FIX Drop (FXD) – Version 1.3 (MANDATORY)
      4. FIX Order Interface Specification (FOI) – Version 1.3 (OPTIONAL)
      5. Futures Express Interface Specification (FEI) – Version 1.3 (OPTIONAL)
  2. Schedule for New Enhancements:
    1. Sunday, November 8, 2026 - MANDATORY UPGRADES to FIX Drop (FXD) Version 1.3, Depth of Market (DoM) Feed Version 1.3, and Top of Market (ToM) Feed Version 1.3
      1. On this date, all Instrument Definitions for the Tini Bloomberg 100 Index Futures, Tini Bloomberg 500 Index Futures, and Bloomberg 500 Index Futures will be sent with an Instrument Listing Status of ‘Active’ via FXD, DoM and ToM.
  3. MIAX Futures Onyx Resources:
    1. Please visit the MIAX Futures Onyx site for the most recent information
    2. Onyx Interface Specifications
    3. Onyx Functionality
    4. Onyx Trading Connectivity
    5. Onyx Market Data & Vendor Agreements
    6. Onyx Approved Vendors
    7. Onyx Audit Trail Requirements
    8. Onyx Trading Platform Access & Preferred Rate Program
    9. Onyx Listings
    10. Onyx Product Settings
    11. MIAX Futures Fees

A MIAX Futures Onyx 2026 Release Guide has been published on the website and is also attached to this Alert.

For additional information, please contact MIAX Futures Trading Operations at MIAXFuturesTradingOperations@miaxglobal.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 to update MIAX Futures Alert subscriptions, visit MIAX Email Subscriptions.