Federal Register #SR-NasdaqTX-2026-051

SEC notice on Nasdaq Texas proposal to remove CORE FIX references from Equity 4

This SEC notice addresses Nasdaq Texas’s proposal to remove references to the CORE FIX protocol from its Equity 4 rules. - Government agency: U.S. Securities and Exchange Commission (SEC). - Organization named: Nasdaq Texas, LLC, which filed the proposed rule change. - Proposed change: Remove CORE FIX references because Nasdaq Texas does not plan to deploy the protocol and has not received participant interest. - Operational impact: The change concerns rules for order types, attributes, and book processing; it is stated not to change market operations or participants’ rights and obligations. - Protocols remaining available: OUCH, RASH, FLITE, and FIX. - Procurement relevance: This is a regulatory notice, not a solicitation or award. No products, services, quantities, part numbers, OEMs, or procurement vendors are identified.

Description

Nasdaq Texas, LLC proposes to amend Equity 4 to remove all references to the CORE FIX order entry protocol, which it will not deploy. The Exchange says it has been unable to generate participant interest in CORE FIX and plans to better allocate its technology development resources. It will continue to offer the OUCH, RASH, FLITE, and FIX order entry protocols. The notice invites comments on the proposed rule change by November 27, 2026.

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