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Understanding Betting Odds Formats: Decimal, Fractional, and American

Betting odds are crucial for sports bettors’ success. They provide valuable insights into the likelihood of various sports outcomes, assisting players in making informed decisions. Although some may find it initially daunting, with more practice, reading odds can become second nature.

Hence, understanding the different Singapore Pools odds can be beneficial for sports gamblers seeking long-term profitability. In-depth knowledge of various odds helps players establish effective risk management and accurately analyse possibilities to optimise their betting strategies.

True Odds vs. Implied Odds

True odds and implied odds are vital factors when making informed betting decisions. Comparing these two concepts can help you determine the potential value bets and examine whether the odds bookmakers offer accurately indicate the probability of an event. This can help you make more profitable wagers. 

True odds are the actual probability of an event occurring. As an illustration, consider a scenario consisting of a series of three coin flips for a betting opportunity. In this situation, calculating the true odds is straightforward since there are only two potential outcomes for each flip – heads or tails. With three flips, eight possible combinations can happen. Since coin flips are random, each sequence has an equal probability of occurring, leaving no space for handicapping strategies to increase odds.

In contrast, implied odds denote the odds suggested by the betting market. They reflect the general attitude and predictions of bettors, influencing the odds supplied by bookmakers. It is computed by dividing one by the decimal odds and multiplying by 100. For instance, if the odds of a coin falling heads up are 1.5, then the implied probability is 1 / 1.5 * 100 = 66.67%.

Betting Odds Explained

  • Decimal Odds

Decimal odds are the easiest Singapore Pools sports odds to understand. This usually represents a number displaying two decimal places. It denotes the complete payout a gambler would gain from a successful wager, including the original stake. For instance, when the odds stand at 2.50, a player would get a total payout of $2.50 for each $1 wagered. This sum encompasses their initial bet, resulting in a profit of $1.50.

  • Fractional Odds

Fractional odds signify how much you can win compared to your stake if your wager is successful. These odds are frequently presented as a ratio, which indicates the sum that you will win for every $1 wagered. For example, if the odds are 5/1, the bettor will make $5 for every $1 stake. Their total payment would be $6, including the original bet.

  • American Odds

Also referred to as moneyline odds, American odds are commonly used in the United States. They are represented by a plus (+) or negative (-) sign, followed by three digits. Positive odds show how much you can gain on a $100 stake. On the other hand, negative odds indicate the amount you should invest to win $100.

To illustrate, suppose you are wagering on the Yankees with odds of -130 and you need to risk $130. A victory for New York would result in a $100 profit in addition to the return of the original $130 stake. Alternatively, if you are betting on an underdog baseball team with +120, you will risk $100 and win $120 if the team wins the game, along with the return of the initial $100 stake. As a moneyline bet, these odds signify each team’s implied probability of winning.

Determining Payouts

Understanding betting odds payouts is vital for accurately predicting possible profits. It allows you to make more informed selections, thereby boosting revenue while limiting gambling risks. To calculate the probable payment of wager on the different Singapore betting odds, consider the following equations:

For Fractional Odds

Potential Profit = (Numerator / Denominator) x Stake

For Decimal Odds

Potential Payout = Stake x Decimal Odds Profit = Potential Payout – Stake

For American/Moneyline Odds

For positive odds:

Decimal odds = (American odds/100) + 1

Calculating negative odds consists of two methods:

Method 1: Remove the negative sign and use the same formula as converting positive odds.

Decimal Odds = (100/Absolute Value of American Odds) + 1

Method 2: Divide the American odds by 100 and subtract 1 from the result.

Decimal Odds = 1−(100/Absolute Value of American Odds)

Tips for Comparing Betting Odds

  1. Shop Around: Shopping around odds offered by multiple bookmakers can help you determine the most favourable ones for your stakes. Various bookies may offer marginally different odds for the same event, creating opportunities for better payouts.

  2. Consider Margin: Assess the margin built into bookies’ odds. Lower margins imply a greater value for gamblers since they keep a bigger portion of the total amount gambled as possible wins.

  3. Check Historical Data: Evaluate previous performances and historical data for the event or market you are wagering on. This can provide more insight into how odds have changed over time and help in identifying possible value bets. 

  4. Use Odds Comparison Tools: Employing odds comparison tools can be a useful way to compare odds across multiple sportsbooks. These checkers frequently gather odds data from various sportsbooks and showcase it side by side for easy comparison. Others may provide features like notifications for odds changes and odds history charts.

  5. Seek Special Offers: Look for any promotions or better odds that sportsbooks may be offering. These can enhance winnings for your wagers and provide extra value.

  6. Confirm Consistency: Ensure that the odds for the same sports competitions are consistent among various betting markets or platforms. Inconsistencies may indicate differences in the assumed likelihood of outcomes or arbitrage opportunities.


Understanding different betting odds formats and interpreting them accurately is vital for making educated sports betting decisions in an SG online casino. Being familiar with fractional, decimal, and American odds can help in accurately interpreting and comparing odds across platforms. This familiarity enables punters to navigate betting markets with confidence, optimising their betting strategies.  

Each format displays probabilities differently, influencing payout calculations and potential winnings. By mastering all the betting odds, gamblers gain versatility in analysing odds, allowing them to seize favourable betting opportunities and maximise profits.

If you are looking for the best sports betting site, choose a reliable online casino like CM2Bet! We offer live betting odds for our clients wagering on different sports events, such as soccer and horse racing competitions. Sign up on our website today!

Read More: Game Changers Ahead: Trends Shaping Sports Betting in 2024

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