Futures

As previously announced in the May 12, 2025 Alert, MIAX Futures is preparing for the migration of Minneapolis Hard Red Spring Wheat Futures from CME Globex to the new MIAX Futures Onyx Trading Platform. We have added an additional mock trading session on Saturday, May 31, 2025. In order to participate, participants must request production credentials prior to the test by contacting MIAXfuturestradingoperations@MIAXGlobal.com.

Once production sessions have been requested and completed, firms may also request to conduct application layer connectivity testing or telnet connectivity testing prior to May 31, 2025 by contacting MIAXfuturestradingoperations@MIAXGlobal.com.
 
Test Day Timeline (ET):

• 08:30 a.m. – Pre-opening connectivity windows open
• 08:45 a.m. – Live Order Window (LOW) First Pre-opening
• 09:30 a.m. – Extended Trading Session One
• 10:00 a.m. – Second Pre-opening
• 10:30 a.m. – Regular Trading Session
• 12:00 p.m. – Closing
• 12:30 p.m. – Live Order Window (LOW) Closes
• 1:00 p.m. – System Shutdown

Test Day Details:

1. Trade Date will be Saturday, May 31, 2025
2. MIAX Futures industry mock trading testing instruments available upon request
3. MIAX Futures industry mock trading sessions will support the following activity utilizing assigned production network connections:
   1. Open firm participation via each of MIAX Futures technical interfaces:
      1. Futures Express Interface (FEI)
      2. FIX Order Interface (FOI) for FIX orders
      3. FIX Drop Copy (FXD)
   2. MIAX Futures Market Data Dissemination via each of the MIAX proprietary data feeds:
      1. Top of Market Data (ToM) Feed
      2. Depth of Market Data (DoM) Feed
   3. Firms interested in receiving test data from the MIAX Clearing System 
      1. EOD TRX files will be made available to clearing members upon request.  Please contact Trading Operations to confirm participation.

Testing Suggestions:

1. Send FIX and/or FEI Order
   1. Simple and/or Complex
   2. STOP Market, STOP Limit, Market, GTD
2. Cancel FIX and/or FEI Order
   1. Simple and/or Complex
3. Cancel Replace FIX and/or FEI Order
   1. Simple and/or Complex
4. Send Mass Cancel Request
5. Send Complex Strategy Creation Request
6. Receive Execution
   1. Simple and/or Complex
7. Participants who plan to Validate Bust and Correction of a Trade via the FIX Drop Copy (FXD) must Coordinate with Trading Operations
8. Market Data Subscribers
   1. Validate Instrument Definition
   2. Validate Market Data is being received
   3. Validate Retransmission Services

If you have any questions or need to coordinate testing and connectivity, please contact MIAX Futures Trading Operations at MIAXfuturestradingoperations@miaxglobal.com or (609) 897-7303.

To revise a current MIAX Alert subscription or to register a new subscription, please visit MIAX Email Subscriptions.