Comments on NASDAQ OMX PHLX LLC (Phlx)Rulemaking

Notice of Filing of Proposed Rule Change to Address Obvious and Catastrophic Options Errors in Response to the Regulation NMS Plan to Address Extraordinary Market Volatility

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Date Received
Date Letter Type Commenter Name
Public Comment Thomas A. Wittman, President, NASDAQ OMX PHLX LLC, Philadelphia, Pennsylvania

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-Phlx-2013-29
Release Number
34-69141
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