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Regulatory Release

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend Supplementary Material .04 and .05 to IEX Rule 23.150(h) to Change Three of the Variables in the Options Risk Parameter Quote Instability Calculation, Each within the Permitted

Details

Rule Type

Notice

Release Number

34-106559

SEC Issue Date

Oct. 1, 2026 | 10:57 am ET

Resources

34-106559

SRO Organization

Investors Exchange LLC (IEX)

Last Reviewed or Updated: Oct. 1, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend Supplementary Material .04 and .05 to IEX Rule 23.150(h) to Change Three of the Variables in the Options Risk Parameter Quote Instability Calculation, Each within the Permitted

Details

Resources

More in this Section

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Amend Supplementary Material .04 and .05 to IEX Rule 23.150(h) to Change Three of the Variables in the Options Risk Parameter Quote Instability Calculation, Each within the Permitted

Details

Resources