18 Sep 2025
📈MEMX Proposal to Clarify Post Only Instruction Order Handling
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
Summary
The SEC has published a notice about MEMX LLC's proposed rule change to clarify the handling of orders with a Post Only instruction. This change aims to enhance transparency regarding order execution under specific circumstances, ultimately promoting market efficiency and investor protection. The proposal is expected to streamline operational practices for trading firms.
Agencies
- Securities and Exchange Commission
Business Impact
$$ - Med
The proposed rule changes clarify how orders with a Post Only instruction will be handled, which can directly influence trading practices and liquidity management for businesses involved in securities trading. This regulatory update aims to promote transparency and reduce confusion, thus affecting compliance requirements for traders.