U.S. Equities

As previously announced in the October 27, 2021 Alert, MIAX Pearl Equities (EPRL) has published updated MIAX Express Order (MEO) interface and FIX Order Interface (FOI/FXD) specifications to support Market orders as an additional order type for Primary Auction (PAC) orders.

The changes for each specification are as follows:

• MIAX Express Orders (MEO) – v2.1a
  • Added Market Order support for Primary Auction (PAC) orders
• FIX Order Interface (supports both FOI and FXD) – v2.1a
  • Added Market Order support for Primary Auction (PAC) orders
  • Made the price field conditional in the Order Cancel/Replace Request to support correction of Market Primary Auction (PAC) orders
  • Added fields RoutingInst (tag #9303) and RoutingStrategy (tag #9400) in the Execution Report

An updated version of the Order Type Combinations Guide that includes Primary Auction (PAC) orders is available in the MIAX Knowledge Center.
 
Important Dates

• The new features are currently available in EPRL Firm Test Bed (FTB2)
• The new features are targeted to be available in production in the second quarter of 2022, pending filing with the SEC. The final production rollout date will be announced in a future alert after filing with the SEC

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