Kalshi Reportedly Lands Exclusive US Open Prediction Deal Amid Regulatory Battles

TLDR: Kalshi reportedly secured US Open prediction rights as the tournament’s 2026 main draw opened on Aug. 30. The reported deal blocks rival prediction-market ads at the US Open venue and across ESPN tournament coverage. Kalshi added five MLB teams Aug. 25 after saying baseball trading volume had risen 36-fold year over year. Courts split [...]

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