Polymarket World Cup shock: multiple whales bet on the favorites and lost everything; fishalive made a profit of 9 million in a single day

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Polymarket prediction markets see a major upset at the World Cup. On June 14, Spain faced Cape Verde and finished 0-0. An account called fishalive—opened only in June 2026, with just two recorded predictions—placed roughly $400,000 in principal on the “Spain does not win” and Cape Verde handicap contract (Cape Verde +2.5). The daily profit was nearly $9 million.

Two Bets by the fishalive Account and Cash-Out Details

According to Polymarket Sports’ public ledger records: fishalive placed roughly a 9% payout odds bet of $400,000 on “Spain does not win,” and cashed out $4,702,769.23. It also bet on Cape Verde +2.5 handicap contract, cashing out about $8.5 million. Together, about $400,000 principal was turned into nearly $9 million in profit.

The account’s size, timing, and recent opening have drawn widespread attention from the community. Analysts say the reason fishalive’s strategy worked is that both “Spain does not win” and the Cape Verde handicap contract cashed out when the match ended in a draw—precisely wiping out the positions of the “only win” popular teams that had been bet on throughout the same week.

The Big-Loss Records of betoor619, FlickRaw, and leeeroyjenkins

Three recorded large-loss bettors:

· betoor619 bet on Spain to win with implied odds of about 92%, putting in nearly $1 million, with potential earnings of only about $85,000; the 0-0 draw made the position go to zero.

· FlickRaw lost about $4.2 million betting on the Netherlands vs. Japan (principal $2.7 million, potential earnings $5.83 million); Japan equalized in the 88th minute, and the match ended 2-2. That same day, FlickRaw also bet $1.5 million that Belgium would beat Egypt (potential $2.4 million), which also ended in a 1-1 draw.

· leeeroyjenkins made the largest single wager so far in this event: $8.6 million betting Belgium would beat Egypt, with potential earnings of about $13.1 million. The 1-1 draw cleared the position outright.

Polymarket World Cup Market Scale Data

According to CryptoSlate: Polymarket’s World Cup champion market has a trading volume of $2.46 billion. France accounts for about 17.6%, Spain about 13.9%, Portugal about 10.8%, and England about 10.5%. The broader 2026 World Cup lineup covers 362 active markets, with total revenue exceeding $2.5 billion. The single match between Spain and Cape Verde generated about $64 million in trading volume. Goldman’s pre-tournament model gives Spain a 26% chance to win the title, and France 19%.

CFTC Regulatory Draft and Reactions

On June 10, 2026, the CFTC released a draft of rules aiming to formally establish a federal government regulatory framework for prediction markets, while also acknowledging that sports contracts can help with price discovery. However, U.S. states, tribal gaming interest groups, and the American Gaming Association all opposed it. The American Gaming Association cited investigation data saying 85% of Americans believe these contracts are gambling. In late May, Spain also briefly blocked Polymarket and Kalshi from entering its market due to a licensing loophole.

FAQs

Does fishalive’s huge profit involve insider information?

According to reports, the community questioned fishalive due to the account’s recent opening, its abnormal scale, and the timing of the bet placed 8 minutes earlier. However, Polymarket’s public ledger can only record the transaction time and amount, and cannot determine where the bettor got the information. CryptoSlate said this remains an unresolved question—whether it was “sharp insight, lucky breaks, or a structural pricing error in the ‘only win’ contract that was spotted early.”

Why is the “only win” contract especially dangerous in football matches?

According to reports, the “only win” contract fully goes to zero when a match ends in a draw, and football matches have a relatively high draw rate. Betting on Spain to win with 92% payout odds implies a very high win probability, but once there is a draw, regardless of how much is staked, everything is lost. Bets on “not win” or handicap contracts naturally include draw scenarios—this is exactly the mechanism behind why fishalive’s strategy worked.

How large is Polymarket’s total trading volume for the World Cup market?

According to CryptoSlate, the World Cup champion market alone reached $2.46 billion in trading volume. Polymarket’s entire 2026 World Cup lineup (362 active markets) has total revenue exceeding $2.5 billion. The single match between Spain and Cape Verde generated about $64 million in trading volume.

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