The decentralized prediction market continues to show impressive momentum. As of June 2026, trading volume on the Kalshi platform reached an all-time high of $9.4 billion. This figure is double the result of Polymarket, which recorded $4.3 billion over the same period.
The World Cup Factor: A Trigger for Frenzy
The key catalyst for such a powerful surge in activity was the start of the FIFA 2026 World Cup, which began on June 11. Sporting events traditionally attract a huge number of traders looking to profit from the accuracy of predictions. In this case, we are witnessing not just growth, but a true breakthrough that has reshaped the balance of power in the prediction market.
Expert Analysis
I am confident that Kalshi's record is not a coincidence, but a natural outcome of strategic positioning. The platform was able to effectively monetize interest in the global sporting event by offering liquid and attractive contracts. Polymarket, despite a solid volume of $4.3 billion, still lags in attracting a mass audience. The further battle for leadership will depend on the platforms' ability to adapt to new trends and quickly offer markets on topical issues.