Market regulation · 04/02/2026

Self-Regulatory Organizations; Cboe BYX 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

Cboe BYX Exchange, Inc. has filed a proposed rule change to amend Exchange Rule 11.9(f) regarding Match Trade Prevention (MTP) modifiers to revise the definition of a unique identifier.