What Changed

The U.S. Securities and Exchange Commission, the federal regulator that oversees U.S. securities markets, has announced the agenda and panelists for a roundtable on preparations for 24-hour trading. The event is scheduled for Sept. 17, 2026, running from 10 a.m. to 4 p.m. ET, with doors opening at 9 a.m. ET and the program concluding at 4 p.m.. It will take place at 100 F Street, N.E., Washington, D.C., and it is open to the public and webcast live.

A microphone positioned on a conference table with papers blurred in the background, lit by soft natural light in an institutional meeting setting.
SEC Sets Sept. 17, 2026 Roundtable on 24-Hour Trading

Highlights

  • The roundtable runs from 10 a.m. to 4 p.m. ET on Sept. 17, 2026.
  • It will be held at 100 F Street, N.E., Washington, D.C., and is open to the public and webcast live.
  • In-person attendance requires registration and security checks, while online viewing needs no registration.
  • The agenda features three panels covering readiness, resiliency, and expected market impacts of a 24-hour trading day.

Who Is Affected

If you plan to attend in person, registration is required through the SEC's registration page and security checks apply, while watching the webcast online does not require any registration. Opening remarks will come from the SEC Chairman and Commissioners, along with Jamie Selway, Director of the SEC's Division of Trading and Markets.

Panel Breakdown

  • Panel One, 'Preparedness for a 24-Hour Market,' is moderated by Jon Kroeper of the SEC's Division of Trading and Markets and Katie Kolchin of the Securities Industry and Financial Markets Association, and it focuses on exchange and broker-dealer readiness, overnight surveillance, closing-price processes, clearance and settlement changes, and investor-protection practices, with a lunch break scheduled at 12:15 p.m..
  • Panel Two, 'Resiliency in a 24-Hour Market,' is moderated by Partick Norton of the SEC's Division of Trading and Markets and Jim Toes of the Security Traders Association, and it covers systems readiness, Regulation SCI considerations, failover and capacity planning, market-data continuity, shortened maintenance windows, cybersecurity, and staffing models for overnight operations, with a break scheduled at 2:30 p.m..
  • Panel Three, 'Expected Impacts and Consideration of Next Steps,' is moderated by Peggy Sullivan of the SEC's Division of Trading and Markets and Adrian Griffiths of MEMX, and it will address expected impacts on liquidity and capital formation, market participation evolution, effects on issuers, 'Day 2' regulatory and market-structure initiatives, and future expansion toward 24x7 trading.

A data presentation is scheduled for 10:30 a.m., to be given by Dan Mathisson.

Who's on the Panels

  • Matt Billings will represent Robinhood.
  • Michael Harrington will represent Citadel Securities.
  • Diwa Cody will represent Jane Street.
  • Brian Steele will represent DTCC.
  • Dmitri Galinov will represent 24X.
  • Hubert De Jesus will represent BlackRock.

What To Watch Next

For newer traders following how their brokers might prepare for longer trading hours, Panel Three's discussion of 'Day 2' regulatory and market-structure initiatives and future expansion toward 24x7 trading is worth watching, since it directly addresses what comes after the initial move to a 24-hour market.