Event Brief
May 22, 2026 at 3:00 PM ET
House lawmakers seek insider trading info from Kalshi, Polymarket
By The BriefBrief
Rep. James Comer requests information from Kalshi and Polymarket on their insider-trading safeguards.
WHO: Rep. James Comer
WHAT: Requests information from Kalshi and Polymarket about how they guard against insider trading
WHEN: May 22, 2026 at 2:50 PM ET
WHERE: USA
WHY: To obtain information on how the prediction markets guard against insider trading
Reporting from 2 identified publishers across this event arc.
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How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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