Federal Register #SR-PHLX-2026-66

SEC notice on removal of obsolete Nasdaq PHLX CORE FIX references and Cboe BZX report enhancements

This SEC notice concerns exchange rule changes and does not announce a government purchase. - Government agency: Securities and Exchange Commission (SEC). - Nasdaq PHLX LLC: Proposes removing obsolete references to the CORE FIX protocol from PHLX Equity 7, Section 3, including production-port and disaster-recovery-port fees, Testing Facility references, and related waiver language. PHLX says it will not deploy CORE FIX, and the changes would not affect services or fees currently available. - Cboe BZX Exchange: The notice also begins a separate proposal to enhance the Missed Liquidity Report within its Timestamping Service; the provided information does not describe the enhancements. - No purchased products, quantities, or part numbers are identified. No comments were solicited or received, according to the attachment summary.

Description

Nasdaq PHLX LLC proposes to amend its transaction fee schedule at PHLX Equity 7, Section 3, by deleting obsolete references to the CORE FIX order entry protocol. The changes remove references to CORE FIX production and disaster recovery port fees, testing facility ports, and associated temporary fee waivers. The Exchange states it will not deploy CORE FIX, and the deletions will not change services or fees currently available to market participants. The proposed rule change became effective upon filing, and the SEC is soliciting comments through November 25, 2026.

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