MIAX Options® Regulatory Circulars


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March 24, 2025

MIAX Options RC-2025-18

Changes to the Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Trading on MIAX Options and MIAX Emerald Options Beginning Tuesday, April 1, 2025, Through Monday, June 30, 2025

March 24, 2025

MIAX Options RC-2025-17

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 ACVA Effective Monday, March 24, 2025

March 21, 2025

MIAX Options RC-2025-16

Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change to Amend the Codes of Arbitration Procedure to Add New FINRA Rules 12808 and 13808 (Accelerated Processing) for Qualified Parties

March 18, 2025

MIAX Options RC-2025-15

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, March 19, 2025

February 24, 2025

MIAX Options RC-2025-14

Change to the Penny Interval Program

February 24, 2025

MIAX Options RC-2025-13

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 TRI Effective Tuesday, February 25, 2025

February 21, 2025

MIAX Options RC-2025-12

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options and MIAX Sapphire Options for Newly Listed Symbols Effective Monday, February 24, 2025

February 20, 2025

MIAX Options RC-2025-11

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Symbol SAIL Effective Friday, February 21, 2025