U.S. Options

Member Guidance for Test Messages and Heartbeat Messages

Market for Underlying Security Used for Openings on MIAX Emerald Options for Newly Listed Symbols Effective Monday, April 22, 2024

Change to Opening and Intra-day Quote Width Requirements for Symbol PRI Effective April 19, 2024

Approval to Amend the FINRA Codes of Arbitration Procedure and Code of Mediation Procedure to Revise and Restate the Qualifications for Representatives in Arbitrations and Mediations

Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective April 16, 2024

Change to Opening and Intra-day Quote Width Requirements for Symbol BKNG Effective April 8, 2024

Change to the MIAX Penny Interval Program

Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Trading on MIAX Options and MIAX Emerald Through Friday, June 28, 2024