# 2026-22656: Nasdaq Removes Rules for a Trading Protocol It Never Launched

2026-22656, Self-Regulatory Organizations; Nasdaq Texas, LLC; Notice of Filing and Immediate Effectiveness of a Proposal To Amend Equity 4 To Remove All References to the CORE FIX Order Entry Protocol, is a Federal Register notice from Securities and Exchange Commission published 2026-11-06, effective 2026-10-22; PRIA reads it as touching household money (as of 2026-11-06).

- Canonical: https://policyrisk.com/federal-register/2026-22656
- As of: 2026-11-06
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-22656
- Title: Self-Regulatory Organizations; Nasdaq Texas, LLC; Notice of Filing and Immediate Effectiveness of a Proposal To Amend Equity 4 To Remove All References to the CORE FIX Order Entry Protocol
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 70106
- Published: 2026-11-06
- Effective: 2026-10-22
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-11-06

## In one line

Nasdaq Removes Rules for a Trading Protocol It Never Launched

## Summary

Nasdaq Texas is officially removing all mentions of the CORE FIX order entry protocol from its rules because the launch keeps getting pushed back and won’t happen anytime soon. This change affects traders and firms using Nasdaq Texas, but it won’t cost anyone money or cause delays now. The update is effective immediately, so everyone should note the new rulebook right away!

## Effects PRIA read

- Nasdaq Texas abandons CORE FIX protocol: benefit, low. On October 22, 2026 Nasdaq Texas filed to remove all references to the CORE FIX order entry protocol and announced it will abandon plans to deploy CORE FIX. The Exchange previously delayed CORE FIX (initially added Sept 2025 and then pushed from Oct 2025 to Q1 2026, then to the end of 2026) and now…
- Existing order protocols remain available: benefit, low. The Exchange will continue to offer the currently operative order entry protocols: OUCH, RASH, FLITE, and FIX. Participants will still be able to choose among those protocols for order entry after the CORE FIX references are removed.
- Rulebook updated immediately to remove CORE FIX: benefit, low. The Exchange's proposed rule change to eliminate references to CORE FIX in Equity 4 became effective immediately upon filing (filed October 22, 2026), so the Exchange's rulebook will promptly be updated. The Exchange also will delete online disclaimers that 'References to "CORE FIX" will be impleme…

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## Sources
- [2026-22656 on federalregister.gov](https://www.federalregister.gov/documents/2026/11/06/2026-22656/self-regulatory-organizations-nasdaq-texas-llc-notice-of-filing-and-immediate-effectiveness-of-a)
- [2026-22656 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-11-06/pdf/2026-22656.pdf)

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Source: PRIA, https://policyrisk.com/federal-register/2026-22656 (as of 2026-11-06).