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Technical Alert, Trading Alert

MIAX Emerald

August 17, 2023 | 10:11 AM

MIAX Emerald Options Exchange - Updated Interface Specifications for FOI, FXD, CTD and MEI (Resting quote canceled due to replacement quote reject)

The Emerald Options Exchange Interface specifications have been updated for the following changes:

  • Emerald Options – Added MIAX Sapphire Support
    • FIX Order Interface (FOI) v1.2b and
      FIX Drop Copy (FXD) v1.2b:
      • Execution Report (MsgType=8) - Tag #207(SecurityExchange) Tag: Added “SPHR” value
    • Clearing Trade Drop (CTD) v1.2c:
      • Trade Message: Execution Exchange Field: Added “S” value
    • NOTE: These changes are applicable on the MIAX Sapphire Options industry test dates and activation date. 
  • Emerald Options – Resting quote canceled due to replacement quote reject
    • MIAX Express Interface (MEI) v2.2:
      • New cancel reason “A” in Cancel Notification
    • NOTE: These changes are targeted to be live end of September, 2023. The specific rollout date will be announced in a future alert.
These changes are currently available in the Emerald Options Exchanges Firm Test Bed (FTB2) environment.

Additional details on updated interface specifications can be found on the miaxglobal.com website at Emerald Options Interface Specifications.

Please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 to discuss any specific issues and to arrange interface testing.