Prediction Market Volume Hits Record $188B in Q3, Up Nearly 70% QoQ

CryptoRank data shows prediction market trading volume reached a record $188 billion in Q3 2026, up nearly 70% quarter-over-quarter and about 21 times higher than Q3 2025. CryptoRank said Kalshi was the main driver of the growth, with sports markets accounting for roughly 40% of its Q3 trading volume. Kalshi has expanded its share across several prediction-market categories, while Polymarket continues to maintain a strong position in political markets. — link