Compare odds across Kalshi, Polymarket, and PredictIt. Spot arbitrage. Track what matters.
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Supreme Court vacancy in 2026?
Major U.S. bank bailout before 2027?
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Iowa Republican Governor nominee?
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Politics
Rhode Island Sues Kalshi and Polymarket: The State Revenue Argument Against Prediction Markets
Rhode Island filed dueling lawsuits against Kalshi and Polymarket on May 21, 2026, claiming sports event contracts are illegal gambling that has already cut state lottery revenue 8%. Inside the legal battle and what it means for users.
Minnesota Becomes First State to Sign a Prediction Market Ban Into Law
Governor Tim Walz signed SF 4760 on May 18, 2026, making Minnesota the first state to formally ban prediction markets via legislation. The law creates felony penalties for operators taking effect August 1 — and a near-certain federal legal fight before then.
Economics
Prediction Markets Had Massie at 62%. Gallrein Won by 10 Points.
Ed Gallrein defeated Thomas Massie 54.9% to 45.1% in Kentucky's KY-04 Republican primary. Markets had Massie as a 62-64% favorite. Here's what the markets missed.
Bulgaria Wins Eurovision 2026: How Prediction Markets Missed One of the Contest's Biggest Upsets
Bulgaria's DARA won Eurovision 2026 with Bangaranga despite entering the Grand Final as a clear market underdog. Here's what prediction markets got right and wrong about the 70th Eurovision Song Contest.
Crypto
Sports
Thunder vs. Spurs Game 7: What Prediction Markets Say About the WCF Winner-Take-All
The Western Conference Finals goes to Game 7 on Saturday after the Spurs routed OKC 118-91 in Game 6. Prediction markets give the Thunder a 56% edge at home — but Wembanyama's momentum and SGA's struggles make this the most uncertain game of the series.
Vegas Golden Knights Are in the 2026 Stanley Cup Final: What Prediction Markets Say Right Now
The Vegas Golden Knights swept Colorado 4-0 and await the Hurricanes-Canadiens ECF winner. Polymarket gives Carolina 50% and Vegas 45% to win the Cup. Here's the full odds breakdown.
