MIAX Sapphire® Options Regulatory Circulars
March 19, 2026
MIAX Sapphire RC-2026-41
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for the Adjusted Symbol IRE1 Effective Friday, March 20, 2026
March 19, 2026
MIAX Sapphire RC-2026-40
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol MMED Effective Friday, March 20, 2026
March 19, 2026
MIAX Sapphire RC-2026-39
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Certain Symbols Effective Friday, March 20, 2026
March 18, 2026
MIAX Sapphire RC-2026-38
Change to the Penny Interval Program for March 19, 2026
March 18, 2026
MIAX Sapphire RC-2026-37
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbols Effective Thursday, March 19, 2026
March 18, 2026
MIAX Sapphire RC-2026-36
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol VIA Effective Thursday, March 19, 2026
March 12, 2026
MIAX Sapphire RC-2026-35
Application Message Rate Guidance for eQuotes, IOC, and ISO Orders
March 12, 2026
MIAX Sapphire RC-2026-34
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for the Adjusted Symbol GFI1 Effective Friday, March 13, 2026