Researchers Flag Suspicious Trades on Kalshi and Polymarket Ahead of Times/Siena Poll

Researchers have identified suspicious trading activity on the prediction markets Kalshi and Polymarket before the release of a Times/Siena poll. A single trader reportedly placed well-timed bets on both platforms concerning two Senate races. The article notes that it remains unclear whether the trader had access to inside information or simply made fortunate trades. The report highlights ongoing questions about integrity and insider knowledge in prediction markets tied to political outcomes.