Notice 18 Sep 2025 sec, trading rules, memx, market transparency, order handling, financial regulation

📈MEMX Proposal to Clarify Post Only Instruction Order Handling

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.

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Notice 5 Aug 2025 securities, nyse, data feeds, order handling, regulation, financial, market compliance

📈NYSE Texas Amends Rule for Data Feeds and Compliance

The NYSE Texas is proposing an amendment to Rule 7.37 to specify its primary and secondary sources of data feeds for order handling, execution, routing, and compliance, particularly in light of the upcoming launch of the 24X National Exchange. This change aims to enhance market transparency and operational clarity for all participants.

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