Polymarket and Kalshi, two leading prediction platforms, reached unprecedented milestones in 2025, with cumulative trading volumes nearing $40 billion and valuations surging into the multi-billion-dollar range.
Polymarket and Kalshi have reported their best-ever results in 2025, with total trading volumes approaching $40 billion, marking significant growth for both blockchain-based and regulated prediction platforms. These achievements have led to multi-billion-dollar valuations, reflecting robust market demand and confidence in event-based trading.