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Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend PHLX Equity 4, Rules 3100, 3301A, 3301B, and 3307 to Add the CORE FIX Order Entry Protocol

National Securities Exchanges, Nasdaq PHLX LLC (Phlx)

Public Comments

Submit a Comment on SR-PHLX-2025-46

Last Reviewed or Updated: Sept. 26, 2025

Resources

Notice Rule: SEC Issued Version (pdf 210.12 KB)

Exhibit 5

Details

Public Comments Due

Oct. 17, 2025

File Number

SR-PHLX-2025-46

Rule Type

Notice

Release Number

34-104020

SEC Issue Date

Sept. 23, 2025

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend PHLX Equity 4, Rules 3100, 3301A, 3301B, and 3307 to Add the CORE FIX Order Entry Protocol

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend PHLX Equity 4, Rules 3100, 3301A, 3301B, and 3307 to Add the CORE FIX Order Entry Protocol

Public Comments

Resources

Details