Prediction Market Open Interest Just Hit an All-Time High of $1.3 Billion as Lawmakers, Courts and Regulators Close In

Data from Artemis shows that open interest across all prediction markets hit new highs of $1.3 billion last month, up from $993.5 million in March. Kalshi is at the number one spot with $636.4 million while Polymarket is in close second at $589.8 million. The remaining platforms collectively hold less than $25 million.  Kalshi posted...