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Kalshi and Polymarket post biggest trading month on record with 4.39 billion and 3.02 billion dollars in October volume, Startup Fortune reports

  • Kalshi and Polymarket post biggest trading month on record with 4.39 billion and 3.02 billion dollars in October volume, Startup Fortune reports — October 2026 is the busiest month prediction markets have ever recorded, with Kalshi trading 4.39 billion dollars and Polymarket 3.02 billion dollars, according to DeFiRate data cited by Startup Fortune. Polymarket also listed 38,270 new markets during the month, nearly three times its August count. (Startup Fortune)

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