Skip to search field Skip to main content

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Regulatory Release

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

Details

Rule Type

Notice

Release Number

34-104020

SEC Issue Date

Sept. 23, 2025 | 2:04 pm ET

Resources

34-104020

SRO Organization

Nasdaq PHLX LLC (Phlx)

Last Reviewed or Updated: 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

Details

Resources

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

Details

Resources