Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Exchange Rule 11.9(f) (“Match Trade Prevention (“MTP”) Modifiers”) To Revise the Definition of Unique Identifier
Published Date: 2/4/2026
Notice
Summary
Cboe BZX Exchange is updating its rule about Match Trade Prevention (MTP) by changing how it defines a Unique Identifier. This tweak helps make trade matching clearer and smoother for traders using the Exchange. The change took effect right away on January 28, 2026, with no extra costs involved.
No Economic Impacts Identified for this Document
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