Joint Industry Plan; Notice of Filing and Order of Summary Effectiveness on a Temporary Basis Not To Exceed 120 Days of Proposed Twenty-Ninth Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Revise the Time for Calculating the Consolidated Price in Connection With Overnight Trading

 a Temporary Basis Not To Exceed 120 Days of Proposed Twenty-Ninth Amendment to the National Market System Plan To Address Extraordinary Market Volatility To Revise the Time for Calculating the Consolidated Price in Connection With Overnight Trading October 7, 2026. I. Introduction On September 16, 2026, Nasdaq, Inc., on behalf of the following parties to the Plan to Address Extraordinary Market Volatility (``Plan'' or ``LULD Plan'') Pursuant to Rule 608 of Regulation NMS under the Securities Exchange Act of 1934 (``Act'' or ``Exchange Act'') \1\: 24X National Exchange LLC; Cboe BZX Exchange, Inc.; Cboe BYX Exchange, Inc.; Cboe EDGA Exchange, Inc.; Cboe EDGX Exchange, Inc.; Financial Industry Regulatory Authority, Inc.; Investors Exchange LLC; Long-Term Stock Exchange, Inc.; MEMX LLC; MIAX PEARL, LLC; Nasdaq PHLX LLC; Nasdaq Texas LLC; New York Stock Exchange LLC; NYSE American LLC; NYSE Arca, Inc.; NYSE National, Inc.; NYSE Texas, Inc.; Texas Stock Exchange LLC; and The Nasdaq Stock Market LLC (collectively, ``Participants''), filed with the Securities and Exchange Commission (``Commission'') pursuant to Section 11A(a)(3) of the Exchange Act \2\ and Rule 608 thereunder,\3\ a proposal to amend the Plan (``Amendment No. 29'').\4\ Amendment No. 29 proposes to amend the Plan to revise the time of the Consolidated Price (as defined in the Plan) \5\ from 7:45 p.m., Eastern Time to 7