WASHINGTON, April 22 -- Securities And Exchange Commission has issued a notice called: Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Amend Rule 4.21 (Series of FLEX Options).
The notice was published in the Federal Register on April 22 by Sherry R. Haywood, Assistant Secretary.
The full text of the notice can be found at: http://www.gpo.gov/fdsys/pkg/FR-2026-04-22/html/2026-07818.htm
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