CoinDesk
A days-old Polymarket wallet named 'fishalive' turned roughly $4 million into a $9 million profit by betting against Spain in their 0-0 World Cup draw with Cabo Verde, a result that opened at 1:10 odds against the minnows. The account redeemed approximately $4.7 million on the outright Spain no-win market and $8.5 million on a spread bet that Cabo Verde would stay within 2.5 goals — both legs cashing simultaneously when the match ended goalless.
Why it matters
The trade has drawn scrutiny from on-chain sleuths because 'fishalive' was created this month and had no meaningful prior betting history. On the other side of the market, a trader named 'betoor619' lost nearly $1 million backing Spain at 92% implied odds for a potential gain of only $85,000 — a textbook illustration of the asymmetric risk embedded in heavy-favorite bets. The contrast between the two outcomes has amplified questions about whether the winning position reflected luck, edge, or access to information unavailable to the broader market.
Market impact
About $64 million traded on the Spain match alone. Polymarket's overall World Cup winner market has drawn roughly $2.4 billion in volume, making it the platform's largest event since the 2024 U.S. election and surpassing the approximately $1.4 billion wagered on this year's Super Bowl. All settlement runs in USDC on a public blockchain, meaning the full position history of both accounts is visible to anyone — the same transparency that enables anonymous participation also makes anomalous trades impossible to hide.
Frequently asked questions
-
How did 'fishalive' structure the Polymarket bets that generated a $9M profit?
The wallet placed two positions: one that Spain would not win the match outright, and a spread bet that Cabo Verde would stay within 2.5 goals. Both paid out when the game ended 0-0, returning roughly $4.7M and $8.5M respectively.
-
Why are on-chain analysts questioning whether the trade involved inside information?
The 'fishalive' account was created just days before the match and had no prior betting history, yet placed millions against a 92% favorite. Because all Polymarket positions settle on a public blockchain, the full trade record is visible and the timing anomaly is impossible to obscure.
-
How large is Polymarket's World Cup betting market compared to other events?
The overall World Cup winner market has drawn approximately $2.4 billion in volume, making it Polymarket's biggest event since the 2024 U.S. election and exceeding the roughly $1.4 billion wagered on this year's Super Bowl.
Crypto News
Benjamin Cowen
Crypto Rank News
CryptoSlate
Lookonchain
CoinTelegraph