U.S. Options

Regulatory Circulars

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MIAX Options® Regulatory Circulars

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May 31, 2023

MIAX Options RC-2023-28

Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective June 1, 2023

May 31, 2023

MIAX Options RC-2023-27

Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbols Effective Thursday, June 01, 2023.

May 18, 2023

MIAX Options RC-2023-26

Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbol AULT1 Effective Friday, May 19, 2023.

May 17, 2023

MIAX Options RC-2023-25

Trading of Stock-Option Orders with Non-conforming Ratios

May 09, 2023

MIAX Options RC-2023-24

Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbols Effective Wednesday, May 10, 2023.

May 01, 2023

MIAX Options RC-2023-23

Change to Opening and Intra-day Quote Width Requirements for Symbols FICO and TDY Effective May 2, 2023

April 24, 2023

MIAX Options RC-2023-22

Change to Opening and Intra-day Quote Width Requirements for Symbol SWAV Effective April 25, 2023

April 20, 2023

MIAX Options RC-2023-21

FINRA Notice of Filing of Amendment No. 1 and Order Instituting Proceedings to Determine Whether to Approve or Disapprove the Proposed Rule Change, as Modified by Amendment No. 1, to Amend the Codes of Arbitration Procedure to Make Various Clarifying and Technical Changes to the Codes, Including in Response to Recommendations in the Report of Independent Counsel Lowenstein Sandler LLP