A trader placed well-timed bets on Polymarket and Kalshi in two Senate races. It was unclear if the person had access to inside information or simply made good trades.
Studies have shown that the betting sites can predict races correctly, but their ability to forecast U.S. midterm elections is an important proving ground.
ยฉ Hilary Swift for The New York Times
Prediction platforms like Polymarket are hoping the U.S. midterm elections will be their moment to shine.