All Options Exchanges Regulatory Circulars
December 26, 2025
MIAX Sapphire RC-2025-126
Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Friday, January 2, 2026, Through Tuesday, March 31, 2026
December 26, 2025
MIAX Pearl RC-2025-106
Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Friday, January 2, 2026, Through Tuesday, March 31, 2026
December 26, 2025
MIAX Options RC-2025-104
Changes to the Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Trading on MIAX Options and MIAX Emerald Options Beginning Friday, January 2, 2026, Through Tuesday, March 31, 2026
December 26, 2025
MIAX Emerald RC-2025-103
Changes to the Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Trading on MIAX Options and MIAX Emerald Options Beginning Friday, January 2, 2026, Through Tuesday, March 31, 2026
December 22, 2025
MIAX Sapphire RC-2025-125
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 QS Effective Tuesday, December 23, 2025
December 22, 2025
MIAX Pearl RC-2025-105
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 QS Effective Tuesday, December 23, 2025
December 22, 2025
MIAX Options RC-2025-103
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 QS Effective Tuesday, December 23, 2025
December 22, 2025
MIAX Emerald RC-2025-102
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 QS Effective Tuesday, December 23, 2025