The 2026 FIFA World Cup became the largest prediction market event, generating over $5.4 billion in trading volume. Expanded participation, lower-cost markets and AI-driven innovations are accelerating adoption, with annual sports prediction market volumes projected to reach up to $923 billion by 2030.

Trading volumes on Kalshi and Polymarket both hit record highs in June. Rothera, a new prediction market platform, was also able to manage $2 billion in volume.

Kalshi and Polymarket hit $44.8 billion in June trading volume, a 75% monthly jump driven by 2026 FIFA World Cup prediction market activity.