2026-22456Notice

Nasdaq Deletes References to a Protocol It Never Put to Work

Published Date: 11/4/2026

Notice

Summary

Nasdaq is cleaning up its rulebook by removing old mentions of the CORE FIX order entry protocol, which it decided not to use after all. This change affects traders and firms using Nasdaq’s transaction fee rules but won’t change any fees or costs. The update took effect right away on October 22, 2026, making Nasdaq’s rules clearer and more up-to-date.

No Economic Impacts Identified for this Document

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Key Dates

Effective Date
Published Date
10/22/2026
11/4/2026

Department and Agencies

Department
Independent Agency
Agency
Securities and Exchange Commission
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