MIAX Sapphire® Options Regulatory Circulars
May 29, 2026
MIAX Sapphire RC-2026-79
Change to the Penny Interval Program for June 1, 2026
May 29, 2026
MIAX Sapphire RC-2026-78
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol FDX1 Effective Monday, June 1, 2026
May 28, 2026
MIAX Sapphire RC-2026-77
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Certain Symbols Effective Friday, May 29, 2026
May 27, 2026
MIAX Sapphire RC-2026-76
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbols Effective Thursday, May 28, 2026
May 22, 2026
MIAX Sapphire RC-2026-75
Market for Underlying Security Used for Openings on MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbols Effective Tuesday, May 26, 2026
May 21, 2026
MIAX Sapphire RC-2026-74
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Symbol NAKA1 Effective Friday, May 22, 2026
May 19, 2026
MIAX Sapphire RC-2026-73
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbol MAIR Effective Wednesday, May 20, 2026
May 19, 2026
MIAX Sapphire RC-2026-72
Position and Exercise Limits Increase for Symbol IBIT