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Combined Kalshi and Polymarket monthly volume reached 20.1 billion dollars in September 2026

  • Combined Kalshi and Polymarket monthly volume reached 20.1 billion dollars in September 2026 — Macquarie reported total prediction market volume reached 20.1 billion dollars in September 2026, up 1,079 percent from a year earlier. Kalshi settled markets rose from 564 in January 2025 to 32,835 in September 2026, while Polymarket peaked at 21,686 in April 2026 and slipped to 12,392 in September. (Blockonomi)

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