Kalshi has permanently banned former U.S. Rep. George Santos after its compliance team found he likely engaged in insider trading by betting on his own State of the Union attendance, raising new questions about enforcement in prediction markets
Prediction Markets and Event Contracts
A detailed analysis of the 2026 Wisconsin Democratic gubernatorial primary on Kalshi shows how liquidity can vanish during live events, forcing traders to weigh execution risk against potential upside before results are known
Trading volume on US midterm election prediction markets has already exceeded the total for the 2024 cycle, with platforms like Kalshi and Polymarket seeing rapid growth and increased regulatory attention before November's elections
High Roller Technologies reported a sharp revenue drop in Q2 2026 and is now focusing on regulated US prediction markets through a new agreement with Crypto.com | Derivatives North America
