Bipartisan pair of Senators press Kalshi, Polymarket over election markets

What it is about

Who published it, and when

How it spread - 2 original reports

1. Thu, 29 October 2026

   1 report
   • The Hill20:44first to report
     Bipartisan pair of Senators press Kalshi, Polymarket over election markets

     A bipartisan pair of senators are pressing Kalshi and Polymarket over prediction markets tied to the Nov. 3 midterm elections. “We write to express concerns about election-related prediction markets and to request specific information about your companies' efforts to prevent insider trading, market manipulation, and wagers based on material nonpublic information,” Sens. Elizabeth Warren (D-Mass.)...

2. Mon, 2 November 2026

   1 report
   • businessinsider.com00:00
     Senators want Kalshi and Polymarket to prove election odds aren't tainted ahead of the midterm vote

     Elizabeth Warren and John Curtis want to know how Kalshi and Polymarket are ensuring that candidates aren't placing bets with insider information.