All Options Exchanges Regulatory Circulars
September 25, 2025
MIAX Pearl RC-2025-74
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 Options RC-2025-74
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 Wednesday, October 1, 2025, Through Wednesday, December 31, 2025
September 25, 2025
MIAX Options RC-2025-73
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 Emerald RC-2025-73
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 Wednesday, October 1, 2025, Through Wednesday, December 31, 2025
September 25, 2025
MIAX Emerald RC-2025-72
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 23, 2025
MIAX Sapphire RC-2025-92
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 CMPO Effective Tuesday, September 23, 2025
September 23, 2025
MIAX Pearl RC-2025-73
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 CMPO Effective Tuesday, September 23, 2025
September 23, 2025
MIAX Options RC-2025-72
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 CMPO Effective Tuesday, September 23, 2025