⚽️ World Cup 2026 Helps Push Prediction Market Open Interest to $1.8B Total open interest across prediction markets rose to $1.8B in June , up 54.3% MoM .
Kalshi leads the market with $1.2B in open interest, accounting for 66.7% of total OI after a 91.9% monthly increase
The 2026 FIFA World Cup , which began on June 11, is helping drive activity across prediction markets 👉 https://