U.S. Options

Regulatory Circulars

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August 27, 2025

MIAX Pearl RC-2025-64

Change to the Penny Interval Program

August 27, 2025

MIAX Options RC-2025-62

Change to the Penny Interval Program

August 27, 2025

MIAX Emerald RC-2025-61

Change to the Penny Interval Program

August 26, 2025

MIAX Sapphire RC-2025-63

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

August 26, 2025

MIAX Pearl RC-2025-63

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

August 26, 2025

MIAX Options RC-2025-61

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

August 26, 2025

MIAX Emerald RC-2025-60

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

August 25, 2025

MIAX Pearl RC-2025-61

New Selective Liquidity Auto Purge (SLAP) Functionality Implementation on September 26, 2025