You could use payback percentage to describe other games besides slots and video poker, but they're not usually referred to in the same terms. The payback percentage is simply the house edge subtracted from 100%. That means the same thing as the house edge in the first example, and over an infinite number of bets, the mathematical expectation is the same-the casino will win an average of 50 cents out of every hundred dollars the player wagers. In slot machines, a player might be playing a slot machine with a payout percentage of 99.5%. That means, over an infinite number of bets, the casino will win an average of 50 cents out of ever hundred dollars the player wagers. In blackjack, a player who’s using a basic strategy might be playing against a house edge of 0.5%. It’s the same idea, but it’s that idea looked at from a different perspective. Slot machines use a slightly different metric called the “payback percentage” or the “payout percentage”.

When discussing the odds of most casino games, writers use the term “house edge” or “house advantage”.

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