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Regulation & law · 10/12/2025Updated: 10/16/2026 · 1 min read

NYSE Arca Files Proposed Rule Change to Define Round Lot Under Regulation NMS

Summary

NYSE Arca, Inc. has filed a proposed rule change with the SEC to amend Rule 7.5-E to reflect the definition of a round lot under Regulation NMS, effective immediately.

Original source language: Federal Register — All DocumentsOpen original release →

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