All Options Exchanges Regulatory Circulars


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October 02, 2025

MIAX Emerald RC-2025-75

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 Friday, October 3, 2025

October 01, 2025

MIAX Sapphire RC-2025-95

Change to the Penny Interval Program

October 01, 2025

MIAX Pearl RC-2025-76

Change to the Penny Interval Program

October 01, 2025

MIAX Options RC-2025-75

Change to the Penny Interval Program

October 01, 2025

MIAX Emerald RC-2025-74

Change to the Penny Interval Program

September 25, 2025

MIAX Sapphire RC-2025-94

Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Wednesday, October 1, 2025, Through Wednesday, December 31, 2025

September 25, 2025

MIAX Sapphire RC-2025-93

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 AACT (KDK) Effective Thursday, September 25, 2025

September 25, 2025

MIAX Pearl RC-2025-75

Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Wednesday, October 1, 2025, Through Wednesday, December 31, 2025