One trader lost $1 million betting Spain would win. Another bought "No" at 9¢ and walked away with $4.3 million.

The small nation of Cape Verde managed a draw against Spain, a World Cup favorite.

One trader lost $1 million betting Spain would win. Another bought "No" at 9¢ and walked away with $4.3 million.

A Polymarket trader lost roughly $1M betting on Spain to beat Cabo Verde in a World Cup match that ended 0-0, while a counter-bet turned $400K into $4.7M.

The trader wrongly wagered on Polymarket what bookmakers saw as an almost certain Spanish win against the tiny island underdogs at their tournament opener.