U.S. Options

Regulatory Circulars

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MIAX Sapphire® Options Regulatory Circulars

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January 30, 2026

MIAX Sapphire RC-2026-09

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol YSS Effective Monday, February 2, 2026

January 29, 2026

MIAX Sapphire RC-2026-08

Position and Exercise Limits Increase for Certain ETFs Traded on the Exchanges

January 27, 2026

MIAX Sapphire RC-2026-07

Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Certain Symbols Effective Wednesday, January 28, 2026

January 20, 2026

MIAX Sapphire RC-2026-06

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, January 21, 2026

January 16, 2026

MIAX Sapphire RC-2026-05

Member Guidance for Message and Packet Activity towards MIAX Exchanges

January 14, 2026

MIAX Sapphire RC-2026-04

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 Thursday, January 15, 2026

January 12, 2026

MIAX Sapphire RC-2026-03

Electronic Filing of Annual Reports

January 02, 2026

MIAX Sapphire RC-2026-02

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 CYBN (HELP) Effective Monday, January 05, 2026