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Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Equity 4, Rule 3304 (Data Feeds Utilized) To Establish a Primary and Secondary Source of Quotation Data of a New Market Center

National Securities Exchanges, Nasdaq PHLX LLC (Phlx)

Public Comments

Submit a Comment on SR-PHLX-2026-21

Last Reviewed or Updated: April 21, 2026

Resources

Notice Rule: SEC Issued Version (pdf 176.73 KB)

Exhibit 5

Details

Public Comments Due

May 12, 2026

File Number

SR-PHLX-2026-21

Rule Type

Notice

Release Number

34-105258

SEC Issue Date

April 16, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Equity 4, Rule 3304 (Data Feeds Utilized) To Establish a Primary and Secondary Source of Quotation Data of a New Market Center

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Equity 4, Rule 3304 (Data Feeds Utilized) To Establish a Primary and Secondary Source of Quotation Data of a New Market Center

Public Comments

Resources

Details