Two US Senators Ask Kalshi and Polymarket to Detail Election Betting Safeguards by Nov 3
US Senators Elizabeth Warren and John Curtis asked Kalshi and Polymarket in letters how they will prevent insider trading and market manipulation in election bets before the midterm elections next week. They requested counts of suspected violations detected before and after trades and written replies by Nov. 3, saying they remain skeptical the platforms can adequately regulate contract markets.