Polymarket Soccer Trading Surges Over $2B in First 10 Days of World Cup, Up 300%

According to The Block, Polymarket's soccer trading volume exceeded $2 billion in the first 10 days of the World Cup, representing a 300% increase from the prior 10-day period, while daily trading volume climbed from $53 million to approximately $220 million.

Meanwhile, Kalshi's open interest reached $1.16 billion last week for the first time, marking a 350% increase since the beginning of the year. The CFTC-regulated platform, which supports direct USD funding, is attracting more U.S. institutional and high-net-worth users for longer-term positions.