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Midterm prediction market trading crosses 750 million dollars on Kalshi and Polymarket, Prediction Authority reports

  • Midterm prediction market trading crosses 750 million dollars on Kalshi and Polymarket, Prediction Authority reports — Combined trading volume on 2026 midterm markets has crossed 750 million dollars across Kalshi and Polymarket, according to a CNN analysis of public data cited by Prediction Authority, with about 32 million dollars concentrated in congressional-control contracts. The Anti-Corruption Data Collective projects total cycle trading of 1.4 billion to 1.6 billion dollars by Election Day, compared with 92.4 million dollars for the entire 2024 congressional cycle. (Prediction Authority)

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