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Calculation of Casino House Edge


Odds alone don't fill casino coffers. Payoffs are also factors. The house advantage arises because the payoff for winning a bet is a bit below the odds overcome to do so. Take the two-column roulette example. The house edge is also known as the casino advantage. And it's something that exists on every table game, lotto, or slot in a casino online or on land. House edge tells you. House Advantage Casino games are designed with a house advantage. Mathematically, the house advantage is a measure of how much the house expects to win, expressed as a percentage of the player’s wager. For example, in a wager with a house advantage of 5 percent, the player will lose, on average over time, $5 for every $100 wagered. In any casino game, the house advantage is what percentage of the money the establishment takes, on average, of your wagers. The lower the house edge, the better the chances of winning in the long run, and the longer you'll be able to play on a starting bankroll.

The house edge (HE) is defined as the casino profit expressed as a percentage of the player's original bet.

The player's disadvantage is a result of the casino not paying winning wagers according to the game's 'true odds,' which are the payouts expected considering the odds of a wager either winning or losing.

The house edge of casino games vary greatly with the game. House edges for slot machines and Keno may be up to 15% and 25% respectively.

In games which have a skill element, such as Blackjack or Spanish 21, the house edge is defined as the house advantage from optimal play (without the use of advanced techniques such as card counting), on the first hand of the shoe (container holding the cards).

The set of the optimal plays for all possible hands is known as 'basic strategy' and is highly dependent on the specific rules, and even the number of decks used. Good Blackjack and Spanish 21 games have house edges below 0.5%.

Example #1:

Calculate the house edge for American Roulette, which contains two zeros and 36 non-zero numbers (18 red and 18 black).

Solution #1:
If a player bets $1 on red, his/her chances of winning $1 is 18/38 since 18 red numbers exist out of 38. However, his/her chance of losing $1 (i.e., winning $1) is 20/38. Therefore, the expected value may be calculted as follows:
Expected Value = (1)(18/38) + (1)(20/38)
Expected Value = 18/38 20/38

Casino Games Lowest House Advantage

Expected Value = 2/38 =

Casino Blackjack House Advantage

1/19

Expected Value = 5.26%
HouseTherefore, the house edge is 5.26%.

Example #2:

Calculate the house edge for European Roulette, which contain a single zero and 36 non-zero numbers (18 red and 18 black).


If a player bets $1 on red, his/her chances of winning $1 is 18/37 since 18 red numbers exist out of 37. However, his/her chance of losing $1 (i.e., winning $1) is 19/37. Therefore, the expected value may be calculted as follows:
Expected Value = (1)(18/37) + (1)(19/37)
Expected Value = 18/37 19/37
Expected Value = 1/37

Expected Value = 2.7%
Therefore, the house edge is 2.7%.

Example #3:

Calculate the house edge for a game played by wagering on a number from the roll of a single die with a payout of four times the amount wagered for a winning number.

Casino House Advantage
Solution #3:

Since the probability of a winning number for a single roll of a die is 1/6, it follows the game has 5 to 1 odds. However, with a payout of only four times the amount wagered (i.e., 4 to 1) for a winning number, the house edge may be calculated as follows:
House Edge = (true odds
payout odds) / (true odds + 1)
House Edge = (5
4)/(5 + 1)

Casino House Advantage


Casino House Advantage


Casino House Advantage Percentages

House Edge = 1

Casino Games House Advantage

/6
House Edge ≈ 16.67%

Casino Game With Least House Advantage