Comments on Cboe BZX Rulemaking

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Rule 21.5, Minimum Increments, to Extend the Penny Pilot Program

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Date Received
Date Letter Type Commenter Name
Staff Study Memorandum from the Division of Economic and Risk Analysis regarding Cornerstone Analysis of the Impact of the Options Penny Pilot Program on Market Quality

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-CboeBZX-2017-016
Release Number
34-82389
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