What is the Vig in Sports Betting?

In this article, we delve into the concept of the “vig” in sports betting, a crucial element that affects every wager placed in the betting world. We’ll break down what the vig, or vigorish, is, how it’s calculated, and its significance for both the bettor and the sportsbook. Our goal is to equip you with a clear understanding of the vig to make more informed betting decisions.

What Does Vig Mean In Betting?

What is vig in betting? Vigorish, or “vig gambling”, often referred to as “juice” in the realm of sports betting, plays a pivotal role in the economic structure of online sportsbooks. This embedded fee in the betting lines is not just a random charge but a carefully calculated component that enables sportsbooks to cover operational costs and secure a profit margin. By understanding vig, bettors can gain insight into how sportsbooks maintain their business and the parallel it shares with the concept of the house edge found in casino games like roulette, blackjack, and video slots.

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How Does Vig Work?

In the world of sports betting, the mechanism of the vigorish is seamlessly integrated into the odds provided by sportsbooks, rather than being itemized or explicitly highlighted within their platforms. This incorporation ensures that the vig sports betting is a subtle yet omnipresent factor in every bet placed.

Consider an upcoming sporting event where the two teams are deemed equally likely to win, a scenario that would ideally lead to even odds of +100 for both sides, implying that a successful $100 bet would yield a $100 profit. However, this straightforward scenario rarely reflects reality in sports betting. Sportsbooks adjust these odds to incorporate the vig, commonly setting them at around -110 for both teams in a closely matched contest.

This adjustment means that to win $100, a bettor would need to wager $110, resulting in a $90.91 profit if the bet is successful. This difference, where $9.09 or approximately 9% of the total bet amount stays with the sportsbook, exemplifies the vig betting in action. It acts as a fee for the service of accepting and processing the bet, subtly ensuring the sportsbook’s profitability irrespective of the game’s outcome. 

How To Calculate Vig From A Sports Bet Juice?

To understand and calculate the vigorish, or “vig,” from the juice embedded in sports betting odds, you can use a straightforward mathematical formula. This formula helps you determine the percentage of each bet that constitutes the sportsbook’s commission. Here’s a step-by-step guide to calculating the vig:

Vig=( Favorite odds+100 / Favorite odds ×100)+( 100 / Underdog odds+100 ×100)−100
Note: When inputting the favorite odds into the formula, omit any minus sign and use the absolute value. For example, if the odds are -200, you should input 200.

Assume we have the following preseason odds for a Champions League final:

Manchester United: -150 (Favorite)
FC Barcelona: +130 (Underdog)
First, convert the odds into absolute values for the calculation, if necessary. In this case, we convert -150 to 150 for Manchester United.

Let’s calculate the sports betting vig for these odds to see the sportsbook’s share. For the given Champions League preseason odds:

The implied probability for Manchester United (Favorite) is 60%.
The implied probability for FC Barcelona (Underdog) is approximately 43.48%.
Adding these probabilities and subtracting 100 gives us a vig of approximately 3.48%. This figure represents the sportsbook’s commission or profit margin embedded in these odds, indicating the cost you pay to place the bet. Understanding this calculation can help bettors assess the fairness of the odds offered and make more informed betting decisions.

Vig Charged On Bet Types

So, what’s a vig in betting types? Understanding the vig charged on various bet types is a fundamental aspect of sports betting that can significantly impact your long-term profitability. Below, we outline some of the common wagering options and the associated vig betting term, offering insights to help you make more informed betting decisions.

Point Spread / Total

When it comes to point spread and totals betting, the industry standard vig in sports betting is around 4.77%. This typically translates to odds of -110 on either side of a bet. Sportsbooks charging more than this standard rate may not offer the best value, while those offering lower vigs are particularly attractive to savvy bettors.

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Alternate Lines

Alternate lines allow bettors to adjust the standard point spread or totals, opting for either a less challenging line for a reduced payout or a more difficult line for a higher potential return. However, adjusting the line often means accepting a higher vig, sometimes as much as 7.44%. This increase in cost can diminish the value of alternate line bets.


The vig on moneyline bets can fluctuate significantly depending on the matchup. Unlike point spreads and totals, moneyline vigs aren’t standardized and can vary to reflect the perceived disparity between the teams. For example, vigs can range around 4.44% to 4.67%, depending on the specific game and the sportsbook.

Three-way Moneylines

Three-way moneylines are offered for events where a tie is a possible outcome, such as soccer or hockey games (excluding overtime). Calculating the vig involves determining the implied probability of each possible outcome. The vig for these bets can be slightly lower, around 4.3%, offering potentially better value for bettors.


Proposition bets, or props, typically carry a higher vig than more traditional bet types like spreads and moneylines. The vig on props can hover around 6.95%, necessitating a high accuracy rate from bettors to maintain profitability.


Parlays are attractive for their high potential payouts, but they also come with a significant house edge. The vig in a parlay compounds with each added selection, making it increasingly difficult to achieve long-term profitability.

Best Tips For Vigorish Betting

  • Shop Around: Always compare odds across different sportsbooks to find the best vig rates.
  • Understand the Costs: Be aware of how the vig affects your potential winnings and adjust your betting strategy accordingly.
  • Seek Value: Look for opportunities where the vig is lower, especially in markets like point spreads and totals where sportsbooks may compete on vig rates.
  • Manage Risk: Be cautious with bets that carry a high vig, such as props and alternate lines, and understand the increased difficulty in achieving profitability.
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How To Beat The Vig?

Navigating the world of sports betting requires not just an understanding of the games but also the economics behind betting, particularly when it comes to the vigorish (vig). While the vig ensures sportsbooks turn a profit, there are strategies to minimize its impact on your betting results. Here’s a guide to potentially beating the vig:

  1. Look for Odds Boosts: Sportsbooks sometimes offer enhanced odds on specific events, increasing the potential payout. Taking advantage of these odds boosts can effectively reduce or even negate the vig in sports betting on certain bets.
  2. Utilize Promotions and Bonuses: Many sportsbooks offer promotions and bonuses that can offset the vig. These might include risk-free bets, where the sportsbook refunds your stake if you lose, or bonus bets for meeting certain wagering requirements.
  3. Hunt for No-Juice Specials: On occasion, sportsbooks may offer bets with no vig, presenting a rare opportunity to bet with even odds. These offers are not common, but they represent valuable opportunities for bettors.
  4. Shop Around: Different sportsbooks have different vigs for the same events. By comparing odds across multiple platforms, you can find the most favorable conditions for your bets.
  5. Bet on Sharp Lines: Some sportsbooks offer sharper, more competitive lines with lower vigs. These are often found in less popular markets or events, where sportsbooks are trying to balance their books.
  6. Understand the Market: Gaining a deep understanding of the sports betting market can help you identify when a line might move in your favor, allowing you to place bets before the vig adjusts to new information.
  7. Use Betting Exchanges: Betting exchanges typically have lower vigs than traditional sportsbooks because they facilitate wagers between bettors rather than against the house. The trade-off is a commission on winnings, but this can still represent better value than traditional vig.

How to Reduce the Impact of Vig?

Minimizing the impact of the vigorish on your sports betting activities is a strategic approach that requires a nuanced understanding of the sportsbook’s operations. Although sportsbooks typically rely on the vig to sustain their profit margins, there are methods bettors can employ to reduce the vig’s effect on their overall betting performance. Here’s how:

  1. Seek Out Reduced Juice Sportsbooks: Some sportsbooks offer reduced vig on certain events or days, allowing bettors to place wagers with less financial penalty. While these sportsbooks might offset lower vig by scaling back on other services, such as bonuses or customer support, the trade-off can be worth it for bettors focused on maximizing returns.
  2. Take Advantage of Promotions: Look for promotions that effectively lower the vig. Some sportsbooks might offer cashback on losses, enhanced odds, or other incentives that can diminish the vig’s impact over time.
  3. Shop for the Best Lines: Vig can vary significantly across different sportsbooks. By comparing odds for the same event across multiple platforms, you can often find more favorable conditions that implicitly reduce the vig’s effect.
  4. Bet on Major Events: Sportsbooks sometimes offer more competitive lines and reduced vig for major sporting events to attract a higher volume of bets. Betting on popular events like the Super Bowl, World Cup, or major championship games can sometimes yield better odds.
  5. Understand Betting Markets: Deeper knowledge of specific betting markets can reveal opportunities where the vig is naturally lower due to market competition or other factors. Niche sports or less popular betting options may have lower vigs as sportsbooks attempt to attract more interest.
  6. Use Betting Exchanges: Betting exchanges, where bettors wager against each other rather than the house, often feature lower vigs. The platform takes a small commission on winnings, but this can still result in better overall odds compared to traditional sportsbooks.
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Here, we address some frequently asked questions that can help clarify the role and implications of the vig in sports betting.

How Much is the Vig in Sports Betting?

The amount of vig charged in sports betting varies depending on the sportsbook and the type of bet placed. Typically, for point spread and totals betting, the standard vig is around 4.77%, corresponding to odds of -110 on either side of a bet. However, this can fluctuate based on the market, the sportsbook’s business model, and specific events. It’s important for bettors to shop around for the best odds, as even slight differences in the vig can affect long-term profitability.

Interpreting a 5% Vigorish: What It Means for Bettors?

A 5% vigorish means that the sportsbook is taking a 5% cut of the total betting pool before payouts are made. This rate affects the odds and potential payouts for bettors. For example, in a perfectly balanced bet where bettors are evenly split on either side of a wager, a bettor would need to win more than 50% of their bets just to break even due to the 5% vig. Understanding the vig percentage helps bettors gauge how much of an edge they need to overcome to be profitable in the long run.

The Role of Vigorish in Parlay Betting: Do You Pay It?

Yes, the vigorish applies to parlay bets as well, and its impact can be more pronounced compared to single bets. In parlay betting, the odds for each selection are multiplied together, and the vig is effectively compounded on each leg of the parlay. This means that while parlays offer the potential for higher payouts, they also come with a higher combined vig, making them harder to win profitably over time. Bettors should carefully consider the compounded effect of the vig on parlays when determining their betting strategies.

The Conclusion

In conclusion, understanding the concept of vigorish, or vig, is essential for anyone engaged in sports betting. It’s the fee sportsbooks charge to take bets, embedded within the odds, affecting potential returns for bettors. By learning how to calculate the vig, recognize its impact across different bet types, and implement strategies to minimize its effect, bettors can enhance their betting efficiency and improve their chances of long-term success. Navigating the intricacies of vig requires diligence and informed decision-making, but with the right approach, it’s possible to counterbalance its influence and make more profitable betting decisions.

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About the Author

Born in London in 1986, Samuel Gray is a distinguished betting expert with a Master’s in Sports Analysis from the University of Leeds, obtained in 2011. From 2012 to 2019, he worked closely with multiple athletic federations, specializing in performance metrics across various common sports. Gray has authored 15 academic papers, predominantly on the optimization of training regimes and injury prevention. Transitioning from research in 2020, Gray began a journalism career. He now pens analytical pieces about the nuances of common sports and contributes regularly to several sports-focused platforms, shedding light on contemporary tactics and athlete assessments.

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