Insider Trading on Prediction Markets: A Congressional Concern That's Long Overdue The recent announcement of a congressional probe into insider trading on prediction markets like Kalshi and Polymarket should come as no surprise.
Rep. James Comer, chair of the House Oversight and Government Reform Committee, has launched an investigation into how these companies prevent insider trading.
Prediction markets have grown rapidly over the past few years, allowing users to place bets on everything from sports games to government actions.