Expected Value Slot Machine

Expected value (EV) is one of the most important concepts in gambling to understand — especially if you have aspirations of being a professional gambler of any kind. When you have a positiveexpected value (+EV), you have “the best of it.”


Expected value is a concept in probability describing the average outcome of a random event. Online casino card dealer job description. Online casino chargeback canada. Means it’s the basis of determining the long-term profitability of betting. Simply, positive +EV is profitable over the long term and the bigger the more profit.

On the other hand, when you have a negative expected value (-EV), you have “the worst of it.”

Expected Value Slot Machine

Professional gamblers try to only put their money into action when they have the best of it. In some cases, they could be wrong about whether the bet they’re making is positive or negativeexpectation. But if they’re right often enough, they’ll make a profit in the long run.

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Other gamblers — those with the worst of it — will eventually lose all their money if they keep playing. That’s just how the math behind the probability works.

  • I often use the term expected value (or EV) when I’m writing about the best video poker playing strategies. Happy 8’s” and “Jolly 8’s” By Frank Legato In China and other Asian countries, you are more likely to find slot machines paying out for three 8’s than three 7’s, because in that part of the world, the number 8 is lucky.
  • Winning At Slots - What Are My Odds? First of all you should know that slot machines, as with many casino games, are a type of game for which there is no “winning strategy” - technically speaking they are a negative equity game, or –EV game for short. Unlike a game such as poker (against real opponents, not vs. The house) where proper application of skill can make a game profitable in.
  • The slot manufacturers set up the probabilities on the amounts in the guarantee so that the expected value of taking the guarantee is the same as that of taking the spins. If the expected values weren't the same, they wouldn't be able to calculate the long-term payback for the machine without also knowing the probabilities that a player would.
  • As all casino games are designed (in theory) to guarantee a return to the casino, the theoretical win (winnings for the player) is always negative while the expected value, also known as expectation (winnings for the casino) is always positive. However, like with all probabilities, an element of randomness exists.

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A concept related to expected values is risk and the tolerance of risk. A situation can have a positive expectation, and you’ll still lose that bet most of the time.

The more often this is likely to happen, the more risk you’re required to take when placing that bet. Your “risk tolerance” describes how much risk you’re willing to take.

This post explains what expected value is, specifically, and it also explains how you should use this concept to inform your gambling decisions. It also looks at some of the implications involvedwith having a high and/or low risk tolerance.