Comments on CHX Rulemaking

Notice of Filing of Proposed Rule Change to Amend Article 20, Rule 9 (Cancellation of Transactions) and Interpretation and Policy .01 Thereunder Regarding the Cancellation of the Stock Leg of Stock-Option Transactions Done on the Exchange

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Date Received
Date Letter Type Commenter Name
Public Comment Nick DiCicco, D and D Securities
Public Comment Stephen Floirendo, Philadelphia, Pennsylvania
Public Comment Darren Story, CFA, Student Options, LLC, San Francisco, California
Public Comment Michael Bristow

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-CHX-2011-21
Release Number
34-64985
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