According to R&D statistics, the total trading volume of Kalshi during the 2026 World Cup reached 54.338 billion US dollars, while the total trading volume of Polymarket was 20.988 billion US dollars; The transaction volume related to the Kalshi World Cup is 13.591 billion US dollars, while Polymarket is 10.356 billion US dollars. The Kalshi APP has been downloaded 5.368 million times, while the Polymarket has been downloaded 2.136 million times. Predict.fun has a total trading volume of 1.092 billion US dollars, with a World Cup related value of 886 million US dollars; The total trading volume of Opinion is 1.137 billion US dollars, with World Cup related transactions totaling 561 million US dollars; The total trading volume of Limitless is $446 million, with $220 million related to the World Cup. Kalshi and Polymarket together hold over 95% of the market share.
