A sportsbook is a gambling establishment that accepts wagers on sporting events at pre-set odds. It’s an industry that continues to grow despite being subject to government regulations. Understanding how bookmakers make money can help you be a savvier bettor and help you spot mispriced lines.

The main way a sportsbook makes money is by collecting commission from losing bets, which is known as the vig or juice. They use the remaining funds to pay bettors who win. This can be a lucrative business, but it also leaves them vulnerable to big losses when the action is lopsided. To mitigate this risk, many sportsbooks offer different types of bonuses.

In addition to bonuses, a sportsbook should have an easy-to-use interface that allows customers to deposit and withdraw funds quickly. They should also offer a variety of banking options to accommodate all types of players. Additionally, they should have security measures in place to ensure customer data is protected.

In addition to adjusting handicaps in against the spread bets, sportsbooks may also move betting lines in moneyline bets and over/under bets. For example, if a team is playing at home and is expected to win by a large margin, the sportsbook might lower the line on their road game to induce more action. They may also raise the total on their home game, hoping to attract more bettors who are confident in their picks. This is a common strategy when the betting market is tight or there is no clear-cut correct side.