More than 2 billion dollars committed to Kalshi and Polymarket on the eve of the 2026 World Cup

While the biggest selections on the planet are preparing to set foot on North American grounds, another indicator is already attracting attention: that of predictive markets. Before the start of the first match of the 2026 World Cup, stakes on dedicated platforms crossed the two billion dollar mark, a threshold which testifies to the growth of this new form of collective anticipation. Between the enthusiasm of traders, a close battle between the favorites and a new competition format, this World Cup is already a life-size laboratory for the prediction market industry.

Predictive markets exceed $2 billion

The 2026 World Cup is already triggering exceptional activity on predictive market platforms, despite kalshi's strengthening of monitoring rules. The volume of the main market devoted to the identity of the future world champion even came close to 1.9 billion dollars. This amount alone places the event among the most followed in the recent history of this sector. A second platform represents approximately $132 million more, bringing the combined volume to more than $2 billion.

THE main figures to remember are the following:

• 1.9 billion dollars in volume on the main market dedicated to the winner of the World Cup;
• an additional $132 million recorded in a competing market;
• Over $2 billion in cumulative volume even before the first game;
• Spain and France occupy the first two places in traders' forecasts.

This performance came even before the actual start of the competition, a sign of users' growing interest in this type of tool. Predictive markets, unlike traditional sports betting, act like exchanges in which participants buy or sell probabilities regarding an upcoming outcome. Thus, the amounts involved reflect both the interest in the tournament and the confidence in these anticipation mechanisms. Crossing this symbolic threshold also marks the progressive integration of predictive markets into the global financial and digital landscape.

Spain and France at the top of expectations

Observation of traders' positions reveals a fairly clear hierarchy between the contenders for the world title. Spain comes slightly ahead of the estimates. In a market, its implied probability is 16.5%while that another platform gives it at 17.4%. France comes just after, with respective probabilities of 16% and 16.1%, which shows an extremely small gap between the two selections.

This proximity reflects the uncertainty that marks the tournament before its kickoff. No favorite really stands out from the rest of the pack. The Franco-Spanish duo is followed by several nations accustomed to major international meetings, namely England, Portugal, Argentina and Brazil. Observed on-chain data indicates that prediction market participants prefer teams with a strong recent history and competitive rosters. However, the probabilities remain subject to rapid changes as matches unfold and actual performances take precedence over theoretical predictions.

A new format that could upset all predictions

Well beyond its current probabilities, the 2026 World Cup stands out with a major change in formula. The competition brings together 48 teams for the first time. The selections are divided into 12 groups, with the top two from each group qualifying as well as the eight best third-placed teams for the knockout stages. The final table will therefore include 32 teams, an unprecedented configuration in the history of the tournament.

This new model increases the number of meetings and multiplies the possible scenarios. Predictive markets will have to integrate more variables than in previous editions. The tournament opens this June 11, 2026 in North America and ends on July 19 at MetLife Stadium, in the New York and New Jersey region. The first matches could therefore lead to rapid readjustments of the odds displayed on the platforms. Players in these markets are used to reassessing their positions in real time based on results, injuries or surprises observed on the ground. This volatility could be even greater in an expanded tournament where the number of teams increases sharply.

The fact that the $2 billion milestone was crossed before the competition even began is proof of the growing maturity of prediction markets, despite suspicions of insider trading. The 2026 World Cup is no longer just a sporting event. It also constitutes a major test for these platforms which attempt to measure and aggregate collective expectations. The coming weeks will reveal whether the current consensus that has formed in favor of Spain and France stands up to reality or whether the new format of the tournament leaves room for unexpected scenarios capable of completely reversing the situation.