All Options Exchanges Regulatory Circulars
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
March 12, 2026
MIAX Pearl RC-2026-34
Application Message Rate Guidance for eQuotes, IOC, and ISO Orders
March 12, 2026
MIAX Pearl RC-2026-33
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
March 12, 2026
MIAX Options RC-2026-34
Application Message Rate Guidance for eQuotes, IOC, and ISO Orders
March 12, 2026
MIAX Options RC-2026-33
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
March 12, 2026
MIAX Emerald RC-2026-28
Application Message Rate Guidance for eQuotes, IOC, and ISO Orders
March 11, 2026
MIAX Sapphire RC-2026-33
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Certain Symbols Effective Thursday, March 12, 2026