MIAX Options® Regulatory Circulars


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July 21, 2017

MIAX Options RC-2017-37

New Mass Cancellation Functionality and MEI High Priority Mass Cancel Ports

July 21, 2017

MIAX Options RC-2017-36

MIAX Options Price Improvement Mechanism (“PRIME”)
SR-MIAX-2017-22

July 17, 2017

MIAX Options RC-2017-35

Member Firm Portal as the Approved Electronic Interface for Performing Post-Trade Adjustments

July 17, 2017

MIAX Options RC-2017-34

Approved Rule—CBOE Margin Rule 12.3
Release No. 34-81083; File No. SR-CBOE-2017-051

June 29, 2017

MIAX Options RC-2017-33

Rule Change Approval Notice - FINRA Arbitration Rules 12402, 12403 and 13403

June 29, 2017

MIAX Options RC-2017-32

Opening and Intra-day Quote Width Requirements for Certain Option Classes on MIAX Options Extended Through September 29, 2017

June 23, 2017

MIAX Options RC-2017-31

Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Option Classes Effective June 26, 2017

June 15, 2017

MIAX Options RC-2017-30

Change to MIAX Options PRIME Timer Effective June 16, 2017