Anyone who visits a casino wants to secure a life-changing payout. Yet, the mathematical fact is that casinos are designed to make money. This constant revenue is secured through a mathematical concept called the casino advantage. To evolve into a wise gambler, you absolutely must understand how odds work before placing your hard-earned cash.

Defining the Casino Advantage

The casino's advantage is essentially the exact percentage that the casino maintains against the gambler over thousands of bets. For instance, if a table game shows a 5% margin, this indicates that on average, the casino will keep 5 units per 100 units wagered. This does not mean you will lose exactly 5%, because immediate volatility allows players to walk away a winner.

Analyzing Probabilities in Casino Formats

Not all casino games are created equal. Certain titles are notorious for massive casino advantages, while others are much more favorable to the bettor. Activities involving decisions, like classic 21, let you decrease the advantage by making correct choices. On the other hand, luck-based titles such as standard Keno give the casino a massive lead.

• Play blackjack for better chances if played with basic strategy.


• Choose the single zero wheel due to a lower house margin.


• Avoid most side bets as they usually carry massive house advantages.


• Video poker can almost break even with perfect strategy.

An Overview of Casino Edges

To illustrate this, here is a helpful chart displaying the standard casino advantages of the most popular casino games. Keep in mind that specific rules can modify these odds.

Ultimately, casinos are not charities. The casino's margin ensures that the house always wins over extended periods. However, by choosing titles with small margins and betting smartly, you can significantly increase your chances of walking away a winner. Understanding math is key when playing on the casino floor.