A sportsbook is a specialized service that accepts bets on athletic events and pays out winning wagers. It is at the heart of many online gaming brands and frequently comes paired with a racebook, casino, and live dealer table games. While it can be an exciting way to enjoy pro sports, it also has its drawbacks.

Understanding how a sportsbook gets its edge can help you be a savvier bettor and recognize potentially mispriced lines. While the majority of betting action is placed on moneyline bets, point-spread odds (also known as price odds) are a key component to any sporting event. Odds reflect the probability that something quantifiable will happen, but they don’t necessarily accurately represent that likelihood.

When sportsbooks see a large amount of action on one side of a bet, they move the betting line to balance that action. In the case of over/under bets, this can mean increasing the odds for the under or lowering them for the over. Sportsbooks will usually move odds on both sides of a bet to ensure balanced action.

Social sportsbooks are a fun and gamified way to enjoy sports betting, without having to make an initial financial commitment. While the specifics of these services vary, they typically offer a free account to new players that can unlock hundreds in bonus bets when making their first wager. In addition, they offer a loyalty program that allows players to earn experience points (XP) and cash rewards.