An anonymous Polymarket trader lost $1 million betting on Spain to beat Cape Verde in their Group H World Cup opener on June 15, 2026. The match ended 0-0, with Cape Verde's 40-year-old goalkeeper Josimar Évora making eight saves. Spain dominated possession and shots but failed to score, drawing comparisons to major World Cup upsets. Meanwhile, Polymarket user "Fishalive" bet against Spain at an average price of 9¢ per share, purchasing over 4.7 million shares. When the draw hit, those shares resolved at $1 each, yielding a profit of $4.31 million—a 1,000% return. This event highlights the risks of prediction markets, where extreme odds often lead to losses. A Bloomberg analysis found over 100,000 Polymarket accounts with losses of at least $1,000 since January 2025. A University of Toronto study showed 68.8% of users lost money, with heavy trading at extreme prices. The 2026 World Cup winner market on Polymarket and Kalshi has exceeded $2.34 billion in volume, drawing regulatory attention from states like Tennessee.

Key facts

• Anonymous trader lost $1M betting on Spain to beat Cape Verde in 0-0 draw.
• Cape Verde goalkeeper Josimar Évora made eight saves to secure the draw.
• User "Fishalive" bet $400K against Spain at 9¢ shares, profiting $4.3M.
• Over 100,000 Polymarket accounts have lost at least $1,000 since Jan 2025.
• World Cup winner market volume on Polymarket and Kalshi exceeds $2.34B.