This weekend was a big one for prediction markets like Polymarket and Kalshi, but allegations of insider trading and a ...

Prediction market users complained about unfair markets over strikes in Iran. One senator promised to introduce legislation to prevent "profiting off war." ...

Prediction markets hit the mainstream in the U.S. in 2025 as the two global leaders, Kalshi and Polymarket, started offering predictions on sports events last year. But it is the sports events market ...