Corridor Strategy In Sports Betting

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The “corridor” strategy in sports betting is based on finding and using the difference between the odds offered by different bookmakers to ensure a guaranteed profit regardless of the outcome of the event. It is also known as “surrebetting” or “forking”.

What’s that?

The strategy “corridor” (or “surrebetting”) in sports betting is a method in which the player is looking for a difference in the odds offered by different bookmakers for the same event. The essence of the strategy is to place bets on all possible outcomes of the event so that no matter what outcome occurs, the player will get a guaranteed profit.

For example, if one bookmaker offers odds of 2.0 on Team A winning and another offers odds of 2.2 on Team B winning, a player can place bets on both outcomes and guarantee himself a profit regardless of which team wins.

However, it is worth considering that bookmakers can react quickly to such differences in odds, and the strategy may lose its effectiveness. Also, some bookmakers may restrict players who often use this strategy.

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Types of corridors

There are several types of corridors in sports betting, which are defined according to changes in odds and potential profits. Here are some of them:

Positive corridors

Positive corridors occur when the difference between the odds on different outcomes of an event allows the player to guarantee a profit, regardless of the outcome. This can happen, for example, if bookmakers have underestimated the chances of a certain team or player, and one office offers high odds on a win for that team, and another on a loss.

Negative corridors

Negative corridors occur when the difference in odds also allows the player to guarantee a profit, but this is associated with the risk of loss. In this case, the odds may be close, but still leave room for profit in certain outcomes.

Polish corridors

Polish corridors are a special case of positive corridors, when the difference in odds on different outcomes is so great that a player can make both bets at the same bookmaker’s office and get a guaranteed profit regardless of the result.

The choice of the appropriate type of corridor depends on the player’s experience, his willingness to take risks and analyzing the change of odds on different sites.

Where to look for corridors?

There are several methods for finding corridors in sports betting:


Specialized scanners and services allow you to automatically track changes in odds at different bookmaker’s offices. These tools can detect potential corridors and provide information about them to the player.

Players can also look for corridors manually by analyzing the odds of different offices and looking for significant differences. To do this, you need to be careful and have a good knowledge of the betting market.


Before you start searching for corridors, it is important to be well prepared by studying the features of different bookmaker’s offices, their odds and trends. This will help to discover favorable situations faster.


When searching manually, you can use certain algorithms and criteria to narrow down your search. For example, focus on certain leagues or events where odds changes are more predictable.

The choice of method depends on the player’s experience and willingness to invest time in analysis. Combining different approaches can also be effective.

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Corridors in various sports

Corridors are an interesting sports betting strategy, and they can be used in a variety of sports. Here is how corridors can be used in some popular sports:

Certainly, here’s the information you provided in a table format:

SportCorridor Betting Strategy
BasketballExploit odds changes on totals (points) or point spreads (score difference). Capitalize on differing total lines by betting on both “under” and “over”.
SoccerIdentify shifting odds on match outcomes (win, draw, loss). Bet on outcomes with contrasting odds, such as favoring the favorite in one bookmaker and betting against them in another.
TennisSeize opportunities from odds changes on player victories. Bet on players with differing odds, potentially taking advantage of overestimated odds in one bookmaker compared to another.
HockeyCapitalize on odds changes on totals and point spreads. Bet on both “more” and “less” totals when odds show differences around a specific line, such as over 5.5 and under 5.5.
OtherIdentify corridors in various sports like hockey, baseball, volleyball, etc. Analyze odds shifts and disparities among bookmakers to exploit profitable situations and capture arbitrage opportunities.

Basic principles of working with corridors

Working with corridors in sports betting requires attention, analysis and quick reaction. Here are some basic principles that will help you use lineouts effectively:

  • Odds monitoring: It is important to constantly monitor changes in odds at different bookmakers for the same event. This can be done with the help of specialized services or odds scanners.
  • Quick Reaction: Corridors can appear and disappear very quickly. Therefore, it is important to be ready to react quickly and place bets before the odds change.
  • Analysis: In addition to monitoring odds, analyze the possible outcomes of the event. Evaluate the probability of success of each bet and the risks associated with corridors.
  • Consideration of risks: Corridors do not guarantee a win. It is important to keep in mind that they also carry some risk. Try to take into account the possible scenarios and their impact on your bets.
  • Bankroll Management: Remember to keep an eye on your bet sizes and manage your bankroll. Even when using corridors, it is important not to risk too much.
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When choosing a bookmaker for a lineout, it is important to consider a few key factors:

  • Fast Odds Updates: Choose a BC that provides up-to-date and fast event odds updates.
  • Wide event line: The more events an office offers, the more opportunities for corridor discovery.
  • Stability and reliability: Work with trusted and reliable bookmakers to avoid withdrawal problems.
  • Favorable odds: Compare odds from different BCs and choose the ones that offer the most favorable conditions for corridor betting.
  • User-friendly interface: It is important that the BC’s interface is intuitive and easy to use to place bets quickly.
  • Legality and license: Work only with licensed and legal bookmakers to avoid legal problems.
  • Reviews and Ratings: Explore bookmaker reviews and ratings to choose the ones that best suit your playing style and strategy.
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Sports betting calculators are tools that help bettors quickly and accurately calculate possible profits and potential risks for different types of bets. They take into account odds, bet size and probabilities of success, allowing you to make more informed decisions when placing bets. Calculators can be particularly useful for beginners, helping them to understand which outcomes of events will result in what profit and how to allocate their bankroll correctly.

Article Summary

Betting on sports is an exciting and thrilling pastime that can be both fun and profitable. However, successful betting requires good preparation, analysis, strategy and bankroll management. Choosing the right strategies, determining probabilities and making informed decisions is based on knowledge and experience. It is important to remember that there are no absolutely guaranteed paths to success in sports betting, and there is some risk of losing money. However, with the right approach and hard work, it is possible to improve your chances of success and make betting more informed and intelligent.

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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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