All Options Exchanges Regulatory Circulars
May 28, 2026
MIAX Emerald RC-2026-60
Change to Opening and Intra-day Quote Width Requirements 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 27, 2026
MIAX Pearl RC-2026-72
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 27, 2026
MIAX Options RC-2026-73
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 26, 2026
MIAX Options RC-2026-72
Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbol XOMA Effective Wednesday, May 27, 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 22, 2026
MIAX Pearl RC-2026-71
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 22, 2026
MIAX Options RC-2026-71
Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbols Effective Tuesday, May 26, 2026