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Kalshi and Polymarket post biggest trading month on record in October, Startup Fortune reports
- Kalshi and Polymarket post biggest trading month on record in October, Startup Fortune reports — October 2026 is described as the busiest month prediction markets have ever had, with Polymarket monthly active traders reaching an all-time high of 477,850, up 93.7 percent from September. Polymarket monthly volume rebounded to 3.02 billion dollars and the platform listed 38,270 new markets. (Startup Fortune)
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