MIAX Sapphire® Options Regulatory Circulars
November 12, 2026
MIAX Sapphire RC-2026-173
Change to the Penny Interval Program for November 13, 2026
November 12, 2026
MIAX Sapphire RC-2026-172
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol ENVX2 Effective Friday, November 13, 2026
November 12, 2026
MIAX Sapphire RC-2026-171
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 CFR Effective Thursday, November 12, 2026
November 06, 2026
MIAX Sapphire RC-2026-170
Change to the Penny Interval Program for November 9, 2026
November 06, 2026
MIAX Sapphire RC-2026-169
Change to the Penny Interval Program for November 9, 2026
November 05, 2026
MIAX Sapphire RC-2026-168
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol MDGL Effective Friday, November 6, 2026
November 04, 2026
MIAX Sapphire RC-2026-167
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 HLT Effective Thursday, November 5, 2026
November 02, 2026
MIAX Sapphire RC-2026-166
Market for Underlying Security Used for Openings on MIAX Sapphire Options for Newly Listed Symbol CIGI Effective Tuesday, November 3, 2026