Sports Betting 101


A sportsbook is a place where you can place wagers on sporting events. There are two ways to place a bet: betting on the favorite or betting on the exact score. You can cash in your winnings before the game ends by using the Cash Out feature. You can also place a bet on the underdog team and place a bet on the over/under.

Profitable bets

Many sportsbooks offer the option to place wagers online. These sites are funded by a subscription fee, which is usually $500 per month, no matter how many bets you place. This model means that sportsbooks must be highly targeted to attract new customers and maintain loyalty of current customers. In addition, they need to offer a large variety of markets, which will make them attractive to a wide range of customers.

Margin calculations

When you place a bet with a sportsbook, you must know how to calculate the margin. A sportsbook’s margin is determined by the amount of risk it assumes. For example, if two players bet on 50/50 outcomes, the sportsbook will receive -110. In other words, a bookmaker will keep nine conditional units for the event and take away -110 for the bet. This is how a bookmaker makes money.

Free-bet credits

Sportsbooks may offer a variety of ways to win free money. Free-bet credits can be deposited by bank transfer or credit card. They can be used to make wagers on a single event or to make several wagers. However, be aware that these credits cannot be withdrawn on their own. Free-bet credits at sportsbooks are closely related to no deposit bonuses. When you sign up for a new account, the sportsbook credits your account with free money. Usually, the amount is relatively small, between $5 and $25.

Point spreads

For a newcomer to sports betting, point spreads at sportsbooks can be very confusing. These are odds that are released before a game begins. As the game continues, the sportsbook may change the point spreads. Sometimes the change is as large as half a point, and this volatility can affect the amount of money you win or lose.


The vigorish margin is a part of the wagering process that sportsbooks use to cover their liability on winning wagers. Generally, a $1 bet placed at -110 odds will result in a payout of $1.91. A normal vigorish margin is around 4.76%.