
Prediction Markets Top $50bn in June, Out-Trading US Sportsbooks on the World Cup 10 to 1
Kalshi, Polymarket and Robinhood's new Rothera venue combined for more than $50 billion in trading volume in June, dwarfing the handle traditional US sportsbooks are projected to take across the entire World Cup. The tournament has become the clearest evidence yet that event contracts are competing with regulated betting, not sitting beside it.
16 Jul 2026








