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Regulatory Circulars

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MIAX Options® Regulatory Circulars

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September 18, 2025

MIAX Options RC-2025-69

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol STUB Effective Friday, September 19, 2025

September 12, 2025

MIAX Options RC-2025-68

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol FIGR Effective Monday, September 15, 2025

September 11, 2025

MIAX Options RC-2025-67

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol KLAR Effective Friday, September 12, 2025

September 08, 2025

MIAX Options RC-2025-66

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

September 02, 2025

MIAX Options RC-2025-65

Change to the Penny Interval Program

August 29, 2025

MIAX Options RC-2025-64

Member Guidance Regarding Order Unbundling

August 28, 2025

MIAX Options RC-2025-63

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

August 27, 2025

MIAX Options RC-2025-62

Change to the Penny Interval Program