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Notice of Filing of Proposed Rule Change, as Modified by Amendment No. 1, Adopting New Exchange Rule 6.65A to Provide for How the Exchange Proposes to Treat Orders, Market-Making Quoting Obligations, and Errors in Response to the Regulation NMS Plan to Address Extraordinary Market Volatility; and Amending Exchange Rule 6.65 to Codify that the Exchange Shall Halt Trading in All Options Overlying NMS Stocks When the Equities Markets Initiate a Market-Wide Trading Halt Due to Extraordinary Market Volatility
Comments on NYSE Arca Rulemaking
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Last Reviewed or Updated: Dec. 18, 2025