Daily, weekly, and monthly volume, open interest, and market counts across Kalshi, Polymarket, and other major prediction market platforms.
Kalshi recorded $3,452,252,411 in volume on October 3, 2026, its most recent complete day, and $64,569,160,377 over the trailing 30 days. Combined volume across every tracked platform on October 3, 2026 was $4,371,854,892.