How Sportsbooks Take Advantage of Human Biases

A sportsbook’s profit margin depends on how well it can exploit human biases. For example, sports fans tend to favor favorites and “ride the coattails” of perennial winners. Sportsbooks take advantage of these biases to their benefit. They aren’t the only ones who benefit. Even professional sportsbooks do it! Here are some other common sports betting biases. The purpose of these biases is to increase their profit margins.


The difference between true implied probability and the odds at a sportsbook is known as the edge. This edge is also known as the vigorish, juice, or margin, and represents the bookmaker’s fee for accepting bets. For example, a team with a 26% edge is likely to win by 26%. Therefore, a vigorish of 26% means that the sportsbook expects to make a profit of 26% over the long run.


For NFL bettors, one of the best things they can do before placing a wager is to handicap the games. They should look at team power rankings, injury news, and home field advantage to determine which team has an edge. These are the same factors used by NFL oddsmakers to set the lines on a game. If you can successfully use this information to predict the outcome of a game, you’ll have a higher chance of winning.


If you’re a seasoned sports bettor, you’ve probably heard of the concept of arbitrage in sportsbooks. This form of sports betting involves spotting an opportunity to place a bet on a particular outcome at a time when the odds are unfavorably low or high. In most sporting events, odds that are posted at the start of the game do not reflect the final odds. In such a case, you can take advantage of the difference in odds, and profit by placing a bet at the end of the game with the highest probability of winning.

In-game bets

Using in-game betting at a sportsbook is a way for players to narrow down their cards. Public bettors typically place their bets on the current game, the previous week’s game, or even several minutes into a game. This way, they can narrow down their cards without missing a single play. This type of betting can be a lucrative short-term investment. Just remember to do your research before placing your bets.

No action bets

When you make a bet at a sportsbook, you should know what “no action” means. Typically, a bet graded “no action” will appear in your account as a straight refund of your wager. This grade may differ slightly from that of other types of bets, such as wagers on a team to win the league MVP or to score the most points. However, there are some ways you can distinguish between these two types of bets.


The legality of sportsbooks varies widely from state to state. Although some are illegal, they are not inherently illegal and can still be profitable. If you are interested in starting a sportsbook in your state, it is best to research the requirements for legality. In addition, you need to think about the costs associated with running a sportsbook, and whether you have the financial resources to sustain the volume of business. Consult a lawyer for advice before you decide to start your own sportsbook.

Reward programs

While sportsbook loyalty programs vary, there are several key similarities. All of them offer different benefits, and each has its own system of calculating the value of a player. For example, the same sportsbook with a low-value rewards program may have higher-value rewards for high-rollers. Moreover, sportsbook loyalty programs can be easier to sign up for online than in retail facilities. Online sportsbooks automatically enroll new customers in their VIP programs and track their wagers and issues rewards. However, some customers need to manually link their online rewards accounts with casino brands. This can be a difficult task, but some betting sites automate the process.