Nasdaq PHLX Adds CORE FIX for Faster Stock Orders
Published Date: 9/26/2025
Notice
Summary
Nasdaq PHLX is adding a new way to send stock orders called the CORE FIX protocol, making trading smoother and faster for brokers and traders. This change updates some existing rules but doesn’t cost extra or change other parts of the system. It’s effective immediately, so market players can start using CORE FIX right away!
No Economic Impacts Identified for this Document
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