Multiples are the same as accumulators. They are a A bet is a wager made against another person or money where ... made up of multiple selections on different outcomes, often across different events. For example, choosing four or more different horses to win their race. The The term stake refers to the amount of money you are placing... and return from the first winning horse will roll over to the next bet, and so on until the final bet is a winner too. All selected horses must win for the bet to be successful. Any that lose will nullify the bet.