MIAX Sapphire® Options Regulatory Circulars
October 05, 2026
MIAX Sapphire RC-2026-153
Change to the Penny Interval Program for October 6, 2026
October 05, 2026
MIAX Sapphire RC-2026-152
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol ETHA1 Effective Tuesday, October 6, 2026
October 05, 2026
MIAX Sapphire RC-2026-151
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 LUMN Effective Tuesday, October 6, 2026
October 05, 2026
MIAX Sapphire RC-2026-150
Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Certain Symbols Effective Monday, October 5, 2026
October 01, 2026
MIAX Sapphire RC-2026-149
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol UWMC1 Effective Friday, October 2, 2026
September 29, 2026
MIAX Sapphire RC-2026-148
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 Wednesday, September 30, 2026
September 28, 2026
MIAX Sapphire RC-2026-147
Market for Underlying Security Used for Openings on MIAX Sapphire Options for Newly Listed Adjusted Symbol EU1 Effective Tuesday, September 29, 2026
September 28, 2026
MIAX Sapphire RC-2026-146
Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Thursday, October 1, 2026, Through Thursday, December 31, 2026