U.S. Options

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol ZENA Effective Tuesday, September 9, 2025

Change to the Penny Interval Program

Member Guidance Regarding Order Unbundling

SEC Approval - Amended Codes of Arbitration Procedure to Add FINRA Rules 12808 and 13808 (Accelerated Processing) for Qualified Parties

Change to the Penny Interval Program

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbols Effective Wednesday, August 27, 2025

SEC Approval – FINRA Rule Change to Amend the Codes of Arbitration Procedure to Make Changes to the Arbitrator List Selection Process

Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB