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US States News Prediction Markets Washington Man Sues Kalshi After Losing $308,000 on Sports Bets November 10th, 2026 11:51 am PST Key Highlights Washington Man Seeks $580,000 & Challenges Kalshi’s Betting Platform Bellevue resident Scott Bright says he lost more than $308,000 trading sports contracts on Kalshi. He is suing the prediction market operator, arguing that the transactions violated Washington’s restrictions on online gambling. He filed a lawsuit on September 24 in King County Superior Court […]