MIAX Sapphire® Options Regulatory Circulars
October 15, 2025
MIAX Sapphire RC-2025-100
Market for Underlying Security Used for Openings on MIAX Sapphire Options for the Adjusted Symbol WOLF1 Effective Thursday, October 16, 2025
October 13, 2025
MIAX Sapphire RC-2025-99
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 Sapphire RC-2025-98
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 Sapphire RC-2025-97
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 Sapphire RC-2025-96
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