MIAX Sapphire® Options Regulatory Circulars
January 16, 2026
MIAX Sapphire RC-2026-05
Member Guidance for Message and Packet Activity towards MIAX Exchanges
January 14, 2026
MIAX Sapphire RC-2026-04
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 Thursday, January 15, 2026
January 02, 2026
MIAX Sapphire RC-2026-02
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 CYBN (HELP) Effective Monday, January 05, 2026
January 01, 2026
MIAX Sapphire RC-2026-01
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 PNFP Effective Friday, January 02, 2026
December 31, 2025
MIAX Sapphire RC-2025-129
Business Continuity and Disaster Recovery Plans Testing and Member Designation Standards
December 30, 2025
MIAX Sapphire RC-2025-128
Additions to the Penny Interval Program for January 2, 2026
December 29, 2025
MIAX Sapphire RC-2025-127
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 ABL (ABX) Effective Tuesday, December 30, 2025