Securities and Exchange Commission
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Securities and Exchange Commission [Release No. 34-105281; File No. SR-C2-2026-007] April 21, 2026. Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (the “Act”), [ 1 ] and Rule 19b-4 thereunder, [ 2 ] notice is hereby given that on April 10, 2026, Cboe C2 Exchange, Inc. (“Exchange” or “C2”) filed with the Securities and Exchange Commission (“Commission”) the proposed rule change as described in Items I and II below, which Items have been prepared by the Exchange. The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons. I. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposed Rule Change Cboe C2 Exchange, Inc. (the “Exchange” or “C2”) proposes to amend Rule 5.34 to adopt a wide market protection mechanism designed to reduce the risk of orders executing at extreme or adverse prices when the national best bid and offer (“NBBO”) is determined to be wide. The text of the proposed rule change is provided in Exhibit 5. The text of the proposed rule change is also available on the Commission's website ( https://www.sec.gov/​rules/​sro.shtml ), the Exchange's website ( https://www.cboe.com/​us/​options/​regulation/​rule_​filings/​bzx/​ ), and at the principal office of the Exchange. II. Self-Regulatory Organization's Statement of the Purpose of, …
Citation: 91 FR 22189
