Knowing the House Edge at a Casino

When playing at a casino, it’s important to know the house edge. This is the average profit a casino makes when you play. As you win money, you increase the house edge. The longer you play, the more money you’ll lose. To avoid this, make sure you play at casinos where you’re familiar with the rules and the house edge. By doing so, you’ll increase your chances of winning. Also, always be aware of the rules, because cheating at a casino can get you banned from the casino.


A casino has to calculate the house edge in order to determine the amount of money it earns from players. This number helps the casino determine how much cash they need to cover their operating expenses. They also need to know the variance in order to make decisions regarding how to best allocate their cash. These calculations are performed by mathematicians and computer programmers known as gaming mathematicians and gaming analysts. The casinos don’t have in-house expertise in these fields and outsource them to experts.

The house edge will determine how much money a casino will keep in cash. The variance will determine how much the casino should put aside in cash reserves for unexpected costs. In some casinos, surveillance personnel stand on catwalks in the ceiling to watch the casino floor. These catwalks feature one-way glass, allowing them to monitor a player’s activities from above. While the numbers may seem low, they’re still an indicator of the house edge.