In betting markets, the upper it prices to vote in favor of a given consequence, the extra possible that consequence is taken into account. On Polymarket, it at the moment prices 71 cents to wager in favor of a second Trump nomination and 32 cents to wager in opposition to. In sensible phrases, what this implies is that if Trump wins the nomination, those that wager in his favor are set to earn $1 for each 71 cents they wager. If he loses, they get nothing.