Comments on CBOE Rulemaking

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of a Proposed Rule Change to Amend Rule 5.1(c) (Global Trading Hours)

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Date Received
Date Letter Type Commenter Name
Public Comment Katie Kolchin, CFA, Managing Director, Head of Equity & Options Market Structure, and Gerald O’Hara, Vice President & Assistant General Counsel, SIFMA
Public Comment Katie Kolchin CFA, Managing Director, Head of Equity & Options Market Structure, and Gerald O'Hara, Vice President & Assistant General Counsel, SIFMA
Public Comment Laura G. Dickman, VP, Associate General Counsel, Cboe Global Markets
Public Comment Laura G. Dickman, VP, Associate General Counsel, Cboe Global Markets
Public Comment Katie Kolchin CFA, Managing Director, Head of Equity & Options Market Structure, and Gerald O'Hara, Vice President & Assistant General Counsel, SIFMA
Meeting with SEC Officials Memorandum from the Division of Trading and Markets regarding a March 4, 2026 conference call with representatives of the Options Price Reporting Authority ("OPRA") and the Securities Industry Automation Corporation ("SIAC")
Public Comment Angela Dunn, Principal Associate General Counsel, Nasdaq

Last Reviewed or Updated: Dec. 19, 2025

File Number
SR-CBOE-2025-079
Release Number
34-104160
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