Eli5: how does rtp work?

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If a game has a high 99% rtp, then it means if you, for example, wager $100 in total over a long period of time, then you’re going to lose $1.

But how long is a long time? Is it the amount I wager in total, the number of games I play, or me playing the game for one month, year, or lifetime?

Also, if I constantly cash out earnings, does rtp still work?

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6 Answers

Anonymous 0 Comments

RTP is calculated on a theoretical infinite amount of time. This is so that random variations in each game does not matter. And the RTP is assuming you cash out all your returns. So basically if you sit down at a game and buy $100 worth of chips, assuming you get an infinite amount of infinitely small chips. You then gamble all these chips, one in each game. This naturally takes an infinite amount of time. When you lose you end up losing your chip but when you win you do not put your winnings back into the pile but rather put it in your pocket. When you have gambled all your chips you should end up with $99 worth of chips in your pocket. This is your return.

Of course this is rather unpractical to play for this long. But the longer you play the closer to this limit you get. And for a casino the more games it have the closer to the RTP it is likely to get. So the casino can calculate how much it is expected to win on each game on average. And for the player you can calculate how long you can play for before you have lost all your cash.

For example if you have $100 in chips and have to bet $1 in each game. If the RTP is 99% then on average you will lose $.01 to the casino in each game. This means you can expect to play 10,000 games before you bust. However a string of bad luck might end your night early and a string of good luck might let you play for longer.

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