WASHINGTON, Sept. 18 -- Securities And Exchange Commission has issued a notice called: Self-Regulatory Organizations; MEMX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rule 11.6 To Clarify the Handling of Orders With a Post Only Instruction.
The notice was published in the Federal Register on Sept. 18 by Sherry R. Haywood, Assistant Secretary.
The full text of the notice can be found at: http://www.gpo.gov/fdsys/pkg/FR-2025-09-18/html/2025-18040.htm
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