MIAX Options® Regulatory Circulars


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August 25, 2025

MIAX Options RC-2025-60

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

August 21, 2025

MIAX Options RC-2025-59

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

August 19, 2025

MIAX Options RC-2025-58

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol MIAX Effective Wednesday, August 20, 2025

August 19, 2025

MIAX Options RC-2025-57

Change to Opening and Intra-day Quote Width Requirements for Symbol GEV Effective Wednesday, August 20, 2025

August 19, 2025

MIAX Options RC-2025-56

Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol TFIN Effective Tuesday, August 19, 2025

August 14, 2025

MIAX Options RC-2025-55

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol BLSH Effective Friday, August 15, 2025

August 08, 2025

MIAX Options RC-2025-54

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol FLY Effective Monday, August 11, 2025

August 06, 2025

MIAX Options RC-2025-53

Position and Exercise Limits Increase for Symbol IBIT