Federal Register #SR-NASDAQ-2026-055

SEC Notice: Nasdaq Rule Change to Remove Obsolete QIX Protocol References

This opportunity involves a regulatory update by the Securities and Exchange Commission (SEC) regarding Nasdaq's rulebook: - Government buyer: Securities and Exchange Commission (SEC) - No OEMs or vendors are involved, as this is not a procurement action - No products or services are being requested or procured - The notice concerns a proposed rule change by The Nasdaq Stock Market LLC to remove obsolete references to the discontinued QIX proprietary protocol from its rules - Affects Equity 4 and Equity 7 rules, which previously referenced QIX for order types, attributes, and port fees - Nasdaq continues to support other protocols: OUCH, RASH, FLITE, FIX, and is preparing to deploy CORE FIX - The update is intended to clarify the rulebook and align it with current technology standards, avoiding confusion for market participants - No contract value, period of performance, or line items are applicable

Description

The Nasdaq Stock Market LLC has filed a proposed rule change to eliminate obsolete references to the discontinued QIX proprietary protocol from its rulebook. The filing is effective immediately. This rule change aims to update the Nasdaq's rulebook by removing references to a protocol that is no longer in use, ensuring clarity and compliance with current technology standards. The proposal removes references to QIX in Equity 4 and Equity 7 rules, which concern order types, order attributes, and fees related to QIX ports. The change is intended to avoid confusion and provide clarity to market participants.

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