U.S. Options

As previously announced in the PEARL December 6, 2017 Alert, the MIAX PEARL Exchange will activate new functionality with the following schedule:

• ARM trigger will not block immediate orders such as IOC and ISO prior to receiving a Reset (Change to Existing Functionality)
  • Effective on February 15th
• Mass Cancel message feature will optionally not block Immediate Orders prior to receiving a Reset (Optional change)
  • Effective on February 16th
  • Firms can specify to block all orders or block all orders except immediate orders prior to receiving a Reset
  • In the later type of Mass Cancel request, immediate orders will not require a Reset Message and therefore will not be blocked subsequent to a Mass Cancel
• Priority Mass Cancel Port (Optional change)
  • Effective on February 16th
  • Mass Cancels can be submitted over new High Priority Ports with expedited processing by the Matching Engine
• Single Side Liquidity Protection mechanism (Optional change)
  • Effective on February 20th
  • Refer to the latest MEO Interface Specification (v1.2) for details about this functionality

These functionalities are available in PEARL Firm Test Bed# 2 (FTB2) environment.

All interface specifications are currently available at MIAX 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.