How to Read Betting Odds

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Written by Dimers Staff
How to Read Betting Odds

Interpreting betting odds can be complex and confusing if you are new to sports betting. However, understanding them is essential for making informed bets and maximizing your chances of winning. 

This guide will help you navigate the intricacies of betting odds, ensuring that you are well-prepared for your next wager.

Types of betting odds

There are three main kinds of casino and sports betting odds: fractional, decimal and moneyline. Different betting odds have their own advantages, and they’re preferred in different regions. These are the different types of betting odds and what we consider to be the benefits of each one:

Fractional odds, often used in the UK, represent the ratio of the profit to the stake. For example, odds of 5/1 mean you win $5 for every $1 bet. They are easy to understand for traditional bettors and clearly show potential profit.

Decimal odds, popular in Europe and Australia, show the total payout including the stake. Odds of 6.00 mean a $1 bet returns $6. They’re preferred due to their simplicity in calculations and are widely used in online betting platforms. 

Moneyline odds are common in the US and indicate how much you need to bet to win $100 or how much you win on a $100 bet. Moneyline odds are particularly useful for favorites and underdogs in American sports.

Understanding all three types allows you to navigate various betting markets and platforms with ease, expanding your casino or sports betting odds opportunities globally.

Betting Odds in Casino Games

When it comes to finding casino games with best odds, you should know that betting odds can be calculated differently. Casino games have variance and return-to-player rates (RTP). 

Variance represents how often a game pays out; games with high variance pay more money less often, whilst low variance games pay less money, more often. RTP, on the other hand, is expressed in a percentage. It represents how much money you can expect to get back from bets placed in a casino game (a game with 96% RTP can be expected to pay $96 per $100 wagered).

How to calculate implied probability

Implied probability is a crucial concept in sports betting odds as it translates the odds into an expected probability of an outcome occurring. To calculate an implied probability for fractional odds, divide the denominator by the sum of the numerator and denominator, then multiply by 100. For decimal odds, divide 1 by the decimal number and multiply by 100. Moneyline odds require converting positive and negative numbers into percentages. By understanding implied probability, you can assess whether a bet offers value based on your expectations compared to the bookmaker's predictions.

How to calculate implied probability

Implied probability is a crucial concept in sports betting odds as it translates the odds into an expected probability of an outcome occurring. 

To calculate an implied probability for fractional odds, divide the denominator by the sum of the numerator and denominator, then multiply by 100. If the fractional odds are 3/1, for example, you’d divide 1 by 3+1, giving us 1/4, which is 0.25. Multiply that by 100 to get the implied probability: 25%. 

For decimal odds, divide 1 by the decimal number and multiply by 100. Let’s say that the decimal odds are 2.5. In that case, we’d divide 1 by 2.5, which would give us 0.4; multiplied by 100, we’d get 40. That means that the implied probability would be equal to 40%.

Moneyline odds require converting positive and negative numbers into percentages. Let’s see two examples to better illustrate this:

Moneyline odds of +150: Divide 100 by 150 + 100. That would give us 100/250, which is 0.4. Multiply by 100 to get the odds: 40%. 

Moneyline odds of -200: Divide 200 by 200 - 100, which would be the equivalent of 200/100. Multiply the result (0.5) by 100 to get the implied probability: 50%. 

By understanding implied probability, you can assess whether a bet offers value based on your expectations compared to the bookmaker's predictions.

Why understanding betting odds matters

Grasping sports betting odds is essential for making smarter bets that increase your chances of winning. Accurate interpretation allows you to spot value bets where the bookmaker's implied probability is lower than your estimated probability. 

This skill also helps you manage your bankroll more effectively by avoiding bets that do not offer favorable returns. 

Moreover, knowing how to read sports betting odds ensures you are not misled by potential payouts that seem attractive but do not reflect realistic probabilities. This knowledge is particularly useful when navigating various markets and options available for different sports events.

Tips for beginners

If you're new to sports betting or casino games odds, start with small wagers while familiarizing yourself with different types of bets and their respective odds formats. Research thoroughly before placing bets, considering factors such as team performance, player statistics and other relevant data that could influence outcomes.

Be sure to practice reading and interpreting different types of both sports betting and casino games odds until you feel confident in your ability to assess them quickly and accurately. Take advantage of online tools and calculators - there are many available for free.

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Written by
Dimers Staff

For articles with several contributors, we use this author profile. This profile is also used for new sportsbook promos and offers. Our contributors' level of experience spans all sports and bet types. We hope we have you covered, no matter what you're betting on.

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