MIAX Options® Regulatory Circulars
October 13, 2025
MIAX Options RC-2025-79
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol WOLF Effective Tuesday, October 14, 2025
October 13, 2025
MIAX Options RC-2025-78
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 ETSY Effective Monday, October 13, 2025
October 03, 2025
MIAX Options RC-2025-77
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol DFDV Effective Monday, October 6, 2025
October 02, 2025
MIAX Options RC-2025-76
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 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 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