U.S. Equities

As previously announced in the December 15, 2022 alert, the MIAX Pearl Equities Exchange will introduce support for new self-trade protection cancel reasons beginning Tuesday, January 31, 2023.

New granular Self-Trade Protection reasons:

• MIAX Express Orders (MEO) – Version 2.3
  • Added new error codes in Cancel/Reduce Size Notification message.

Updated notes for Sending Time and OrdType fields:

• FIX Interface Specification (FOI) – Version 2.2b
  • Updated the notes for the SendingTime field (tag #52) in the Standard Message Header that it must be within a configurable interval defined by Regulatory Circular.
  • Updated the ExecInst tag value requirement when OrdType = P (Pegged) in New Order – Single message.

Please review the updated EPRL Interface Specifications and the MIAX Exchange Group Connectivity Guide for additional details.

For further information or to arrange testing, please contact MIAX Trading Operations at TradingOperations@MIAXEquities.com or (609) 897-7302.

Regulatory inquiries should be directed to Regulatory@MIAXEquities.com or (609) 897-7309.

To learn more about Pearl Equities please contact Sales@MIAXEquities.com, (609) 897-8177 or visit MIAXEquities.com.