The U.S. Securities & Exchange Commission announced it will hold a public roundtable on 18 September 2025 to discuss trade-through prohibitions in the National Market System stock and listed options markets, including Rule 611 for NMS stocks and the analogous NMS plan trade-through prohibition for listed options. The roundtable will be held at the SEC’s Washington, D.C. headquarters, streamed live on SEC.gov, and recorded for later posting. Agenda and speaker information will be released ahead of the event, and in-person attendance may be limited and subject to security checks. The SEC also invited public comment for the roundtable record, noting submissions will be posted without change and should reference File No. 4-862, and warning that personal identifying information is not redacted.
U.S. Securities & Exchange Commission 2025-07-21
U.S. Securities & Exchange Commission to host September 18 roundtable on Reg NMS trade-through prohibitions
The U.S. Securities & Exchange Commission will hold a public roundtable on 18 September 2025 to discuss trade-through prohibitions in the National Market System stock and listed options markets. The event will be streamed live from the SEC’s Washington, D.C. headquarters, with public comments invited for the roundtable record.