Regulatory Alert, Trading Alert, Technical Alert
MIAX Futures
June 25, 2025 | 11:09 AM
MIAX Futures Exchange - Onyx Trading Platform - Reminder of Final Confidence Test Date - Saturday, June 28, 2025
As previously announced in the June 24, 2025 Alert, MIAX Futures will conduct a final mock trading session on Saturday, June 28, 2025 in preparation for the migration of Minneapolis Hard Red Spring Wheat Futures from CME Globex to the new MIAX Futures Onyx Trading Platform on Sunday, June 29, 2025 (Trade Date: June 30, 2025).
This is the Final Confidence Test before launch so ALL FIRMS are strongly encouraged to participate.
Please note, anyone testing through an ISV should confirm proper symbology with their respective ISV prior to testing.
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
- 10:15 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
- Trade Date will be Saturday, June 28, 2025
- MIAX Futures industry mock trading testing instruments available upon request
- MIAX Futures industry mock trading sessions will support the following activity utilizing assigned production network connections:
- Open firm participation via each of MIAX Futures technical interfaces:
- Futures Express Interface (FEI)
- FIX Order Interface (FOI) for FIX orders
- FIX Drop Copy (FXD)
- MIAX Futures Market Data Dissemination via each of the MIAX proprietary data feeds:
- Top of Market Data (ToM) Feed
- Depth of Market Data (DoM) Feed
- Firms interested in receiving test data from the MIAX Clearing System:
- EOD TRX files will be made available to clearing members upon request; please contact Trading Operations to confirm participation
- Open firm participation via each of MIAX Futures technical interfaces:
- Send FIX and/or FEI Order
- Simple and/or Complex
- STOP Market, STOP Limit, Market, GTD
- Cancel FIX and/or FEI Order
- Simple and/or Complex
- Cancel Replace FIX and/or FEI Order
- Simple and/or Complex
- Send Mass Cancel Request
- Send Complex Strategy Creation Request
- Receive Execution
- Simple and/or Complex
- Participants who plan to Validate Bust and Correction of a Trade via the FIX Drop Copy (FXD) must Coordinate with Trading Operations
- Market Data Subscribers
- Validate Instrument Definition
- Validate Market Data is being received
- Validate Retransmission Services
To revise a current MIAX Alert subscription or to register a new subscription, please visit MIAX Email Subscriptions.