WASHINGTON, Oct. 6 -- Securities And Exchange Commission has issued a notice called: Self-Regulatory Organizations; Investors Exchange LLC; 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 Ranges Specified Therein.
The notice was published in the Federal Register on Oct. 6 by Sherry R. Haywood, Assistant Secretary.
The full text of the notice can be found at: http://www.gpo.gov/fdsys/pkg/FR-2026-10-06/html/2026-20401.htm
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