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Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Introduce a New Version of the Open-Close Report to be Known as the One-Minute Interval Intra-Day Open-Close Report

National Securities Exchanges, MIAX SAPPHIRE, LLC (SAPPHIRE)

Public Comments

Submit a Comment on SR-SAPPHIRE-2025-33

Last Reviewed or Updated: Sept. 11, 2025

Resources

Notice Rule: SEC Issued Version (pdf 192.01 KB)

Details

Public Comments Due

Oct. 2, 2025

File Number

SR-SAPPHIRE-2025-33

Rule Type

Notice

Release Number

34-103905

SEC Issue Date

Sept. 8, 2025

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Introduce a New Version of the Open-Close Report to be Known as the One-Minute Interval Intra-Day Open-Close Report

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Introduce a New Version of the Open-Close Report to be Known as the One-Minute Interval Intra-Day Open-Close Report

Public Comments

Resources

Details