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. 34-105785; File No. SR-MRX-2026-11] June 26, 2026. I. Introduction On March 19, 2026, Nasdaq MRX, LLC (“MRX” or the “Exchange”) filed with the Securities and Exchange Commission (“Commission”), pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”)  [ 1 ] and Rule 19b-4 thereunder, [ 2 ] a proposed rule change to allow for extended trading sessions of certain index options and eligible equity options. The proposed rule change was published for comment in the Federal Register on March 31, 2026. [ 3 ] On May 12, 2026, pursuant to Section 19(b)(2) of the Act, [ 4 ] the Commission designated a longer period within which to approve the proposed rule change, disapprove the proposed rule change, or institute proceedings to determine whether to disapprove the proposed rule change. [ 5 ] On June 12, 2026, the Exchange filed Amendment No. 1 to the proposed rule change, which amended and superseded the original proposed rule change in its entirety. [ 6 ] The Commission is publishing this notice and order to solicit comment on Amendment No. 1 in Sections II and III below, which sections are being published verbatim as filed by the Exchange, and to approve the proposed rule change, as modified and superseded by Amendment No. 1, on an accelerated basis. II. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposed Rule Change The Exchange prop…
Citation: 91 FR 40061
