France meets Spain in the 2026 FIFA World Cup semifinal at 3 p.m. ET on July 14, and the timing couldn’t be more cinematic. Bastille Day, the French national holiday celebrating revolution and liberation, now doubles as the backdrop for a soccer match that has generated billions in prediction market activity across crypto platforms.
Polymarket leads the charge
Polymarket’s World Cup Winner market alone exceeded $4.2 billion in lifetime volume by July 13, the day before the France-Spain clash. Total trading volume across platforms surpassed $50 billion during the tournament’s early stages.
Polymarket integrated its services into the Blockchain.com app around the time of the semifinal, a move designed to funnel mainstream crypto users directly into prediction market trading during peak World Cup excitement.
Kalshi, the regulated prediction market platform, reported $31 billion in total notional volume for June 2026 alone. World Cup-specific contracts accounted for $22.42 billion of that figure — nearly three-quarters of all Kalshi trading activity last month was people betting on soccer outcomes.







