U.S. Options

As previously announced in the April 17, 2018, June 12, 2018 and July 6, 2018 Alerts, the MIAX Options Exchange is planning to introduce Stock-Tied complex order functionality beginning Monday, August 6, 2018, pending SEC Approval.

Support for Stock-Tied is currently available in the MIAX Firm Test Bed (FTB2) environment. 

Firms that subscribe to the following interfaces/feeds are advised to assess their current interface implementations and make appropriate updates as needed.

Mandatory Changes:

• Administrative Information Subscriber (AIS) Feed Specification v2.3
• Clearing Trade Drop (CTD) Specification v2.2a
• Complex Top of Market (cToM) Feed Specification v1.3
• MIAX Order (MOR) Feed Specification v2.3
• Top of Market (ToM) Feed Specification v2.2

Optional Changes:

• FIX Order Interface (FOI) Specification v2.3b
• FIX Drop Copy (FXD) Specification v2.3a
• MIAX Express Interface (MEI) Specification v2.6a

Minor clarifications in Session Management Protocol specification

• MIAX MACH Protocol Specification 1.2b

Please review the updated interface specification for further details.  All specifications are currently available at MIAX 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.

Please contact MIAX Sales at Sales@miaxglobal.com or (609) 897-8177 to learn more about Stock-Tied Complex Order Functionality.