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Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend IEX Rule 11.190 to Retire One of the Two Proprietary Mathematical Calculations the Exchange Utilizes to Assess the Probability of an Imminent Change to the Protected Quotation

National Securities Exchanges, Investors Exchange LLC (IEX)

Public Comments

Submit a Comment on SR-IEX-2025-04

Last Reviewed or Updated: April 1, 2025

Resources

Notice Rule: SEC Issued Version (pdf 120.28 KB)

Exhibit 5

Rule19b-4 Information

Details

Public Comments Due

April 4, 2025

File Number

SR-IEX-2025-04

Rule Type

Notice

Release Number

34-102556

SEC Issue Date

March 10, 2025

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend IEX Rule 11.190 to Retire One of the Two Proprietary Mathematical Calculations the Exchange Utilizes to Assess the Probability of an Imminent Change to the Protected Quotation

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend IEX Rule 11.190 to Retire One of the Two Proprietary Mathematical Calculations the Exchange Utilizes to Assess the Probability of an Imminent Change to the Protected Quotation

Public Comments

Resources

Details