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Technical Alert

MIAX Options

April 13, 2017 | 10:29 AM

MIAX Options - Interface Specification Updates to Support Complex Crossing Order Functionality (AIS, CTD, cToM, FXD, FOI & MEI)

MIAX Options has published the following updated Interface Specifications to support Complex Crossing Functionality:

  • FIX Order Interface (FOI)
    • Added message type New Order Cross – Multileg (MsgType = As) to support Complex Crossing orders
    • Added a new field, Strategy State, for tag# 9730 (Additional Billing Parameters) in message type Execution Report – Single or Multileg (MsgType = 8)
    • Defined additional values for fields in tag# 9730 (Additional Billing Parameters) to support execution reports  of Complex Crossing orders
    • Added MaxComplexCrossingOrderSize protection setting for Complex Crossing orders
    • Added a note that tag# 548 (CrossID) needs to be unique across MsgType = s and MsgType = As within a single trading day for the EEM across all FOIs of the firm
  • FIX Drop Copy (FXD)
    • Added a new field, Strategy State, for tag# 9730 (Additional Billing Parameters) in message type Execution Report (MsgType = 8)
    • Defined additional values for fields in tag# 9730 (Additional Billing Parameters) to support execution reports  of Complex Crossing orders
  • MIAX Express Interface (MEI)
    • Defined an additional reject reason code for Complex eQuotes to support Complex Price Improvement (cPRIME) auctions
  • Clearing Trade Drop (CTD)
    • Defined additional values for fields in Trade message to support Complex Crossing orders
  • Administrative Information Subscriber (AIS) Feed
    • Defined a new event type (Event Type = P) and used existing reserved space for a new field Attributable ID in Complex Liquidity Seeking Event Notification message
  • Complex Top of Market (cTOM) Feed
    • Noted that existing Condition Code = C will be used for cPRIME auctions
Please review the interface specifications for further details.  All specifications are currently available at MIAX Options Interface Specifications.

Important Dates:
  • The above interface updates will be available in the MIAX Firm Test Bed #2 (FTB2) environment on Monday, June 19, 2017 
  • The implementation date of the above changes will be announced via a Regulatory Circular
  • Certification of this new order type is mandatory
Please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 to discuss any specific issues and to arrange interface testing.