Nasdaq Quietly Erases Ghost Protocol From Rulebook
Published Date: 6/23/2026
Notice
Summary
Nasdaq is cleaning house by removing old mentions of the QIX protocol, which they stopped using years ago, from their rulebook. This update affects traders and firms using Nasdaq’s systems but won’t cost anyone money or cause delays. The change is effective immediately, making Nasdaq’s rules clearer and up-to-date.
No Economic Impacts Identified for this Document
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