MIAX Sapphire™ Options Regulatory Circulars
July 31, 2025
MIAX Sapphire RC-2025-52
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol HODL Effective Friday, August 1, 2025
July 29, 2025
MIAX Sapphire RC-2025-51
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol ARX Effective Wednesday, July 30, 2025
July 18, 2025
MIAX Sapphire RC-2025-50
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 Monday, July 21, 2025
July 01, 2025
MIAX Sapphire RC-2025-48
Change to the Penny Interval Program effective July 1, 2025
June 26, 2025
MIAX Sapphire RC-2025-47
Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Tuesday, July 1, 2025, Through Tuesday, September 30, 2025
June 24, 2025
MIAX Sapphire RC-2025-46
Market for Underlying Security Used for Openings on MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Newly Listed Symbols Effective Wednesday, June 25, 2025
June 20, 2025
MIAX Sapphire RC-2025-45
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Symbol CAI Effective Monday, June 23, 2025