All Options Exchanges Regulatory Circulars
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
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