Planet Money Episode 690: All In

At professional poker tournaments, players pay thousands of dollars to enter the competition. By the end of it, nearly all will have lost that initial investment. But that's just the surface level. Beneath that is a secret world of betting and swapping.

Today on the show, we talk to a professional poker player who lost on the first day of a major tournament but still took home the biggest payout of his life. And we have an update on how his strategy has paid off over time.