# Federal Register #SR-NASDAQ-2026-092

Nasdaq proposes removing CORE FIX references from its Equity 4 rulebook

**Buyer:** Securities and Exchange Commission
**Posted:** November 06, 2026
**Identifier:** SR-NASDAQ-2026-092

This SEC notice concerns a proposed Nasdaq rule change, not a government procurement opportunity.
- **Government agency:** Securities and Exchange Commission (SEC).
- **Filing entity:** The Nasdaq Stock Market LLC.
- **Proposed changes:** Remove references to the CORE FIX order-entry protocol from Equity 4 because Nasdaq does not plan to deploy it; update Rule 4120 to include FLITE alongside OUCH to reflect existing functionality.
- **Protocols remaining available:** OUCH, RASH, FLITE, and FIX.
- **Procurement details:** No products or services, quantities, or part numbers are requested.

### Description

The Nasdaq Stock Market LLC proposes to amend Equity 4 to remove all references to the CORE FIX order entry protocol, which the Exchange will not deploy. The filing also proposes a technical correction to Rule 4120 to add the FLITE protocol alongside OUCH, reflecting existing functionality. The Exchange states that OUCH, RASH, FLITE, and FIX will remain available. The notice invites comments on the proposed rule change by November 27, 2026.

[View original listing](https://www.federalregister.gov/documents/2026/11/06/2026-22655/self-regulatory-organizations-the-nasdaq-stock-market-llc-notice-of-filing-and-immediate)