One bettor won more than a half-million dollars by hitting an insane parlay during Championship Sunday in the NFL. The lucky winner turned their $20 site credit on FanDuel into $579,000 by correctly guessing the winners and exact score of both conference championship games. There's 55 555. There's just 55 555.

An accumulator bet involves combining multiple bets or selections into a single wager, all selections must win for the bet to be successful. This type of multiple betting is also known as Parlay or Accumulator betting. Accumulator bets are potentially lucrative as the odds are greater therefore requiring a lower stake.