A Polymarket trader staked more than $500,000 on the U.S. to lose its World Cup opener against Paraguay as the tournament's volume tops $2 billion.

A Polymarket trader staked more than $500,000 on the U.S. to lose its World Cup opener against Paraguay as the tournament's volume tops $2 billion.

With the World Cup kicking off, Doug checked in with the sportsbooks and oddsmakers to break down all the betting action.