Polymarket's World Cup winner market turned into a losing bet for most participants. Of the 194,000 unique addresses that traded, roughly 130,000 finished in the red. The final on July 19 saw Spain beat Argentina 1-0, but the real score for traders was a collective loss.
The Scale of Red Ink
About two-thirds of participants lost money. That's 66.7% of all addresses. The losses were small for most. Some 114,126 addresses lost under $100 each, with an average loss of less than $10. But 43 addresses lost more than $100,000 each. Their combined losses totaled $15 million.
It wasn't all bad news. On the other side, 57,991 addresses gained under $100 each, averaging less than $5. And 54 addresses made more than $100,000 each. Their combined winnings came to $22.3 million.
Big Winners and Big Losers
The numbers show a stark divide. A handful of traders took home huge sums while the crowd lost small amounts. Five wallets each topped $1 million in profit. They are known by their usernames: asparagus2012, Allezpapa, yamal19, thesingularityisnear, and wco26.
One trader, asparagus2012, operated seven separate accounts. Across all World Cup markets, that trader made over $7.4 million. It's a reminder that a few sophisticated players can dominate a prediction market.
The World Cup was a major event for platforms like Polymarket and Kalshi. Open interest on both has dropped since the final. A quiet period is expected until the NFL season starts in September.
For now, the markets are cooling off. The big question is whether the next cycle will bring back the same volume. Or will the losses scare off casual traders? The data suggests most people lost small amounts, so the sting might be temporary.
Polymarket will need to attract new users to sustain growth. The World Cup event was a one-time spike. Without a similar catalyst, the platform faces a slower summer.



