# FIFA World Cup Transforms Betting Markets Prediction markets are going mainstream. - **Source:** [DailyCoin](https://brifing.si/source/3e9b0f85-cb2f-40ee-ba61-db9410cf0937) - **Published:** 2026-07-15 - **Topic:** [Finance](https://brifing.si/c/finance) - **Original article:** - **On Brifing:** https://brifing.si/s/9b35c1ed-ad6c-4187-8ea5-8aeecab86d0f ## Impact of the FIFA World Cup The 2026 FIFA World Cup has turned prediction markets into mainstream sports-finance platforms. Polymarket and similar platforms have achieved record trading volumes compared to traditional sports betting. ## Polymarket's Success Polymarket recorded over $10.7 billion in trading volume in June. This represents a $3.7 billion increase compared to May. The platform also attracted 174.6K new users. ## Rising Open Interest Polymarket's open interest climbed above $423 million in June. This indicates that users are committing more capital to active markets. ## World Cup Winner Market Polymarket's World Cup Winner market has become one of the platform's largest events, with cumulative trading volume exceeding $4.25 billion. Spain is currently the favorite. ## Growing Competition Polymarket's rival Kalshi reported over $31 billion in trading volume in June. The total volume of prediction markets has reached a level competitive with traditional sports betting. ## Structural Shift The FIFA World Cup has strengthened the role of prediction markets in sports finance. This growth signals a structural shift that will shape the future of sports betting in the US and beyond. ## Sources covering this story - https://dailycoin.com/fifa-world-cup-just-changed-sports-betting-prediction-markets-are-going-mainstream/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._