For those considering placing bets on sporting events, there are plenty of platforms available across the United States and abroad. However, before getting started, bettors should first familiarize themselves with some fundamental concepts of sports wagering.
One key aspect is understanding how betting odds are created by bookmakers, which reflects the perceived likelihood of various outcomes and helps in determining potential winnings. If you intend to place a wager on a specific game or contest, it’s crucial to have a grasp on the various sports betting odds, reasons for fluctuations in these odds, and the math behind them.
Fortunately, this guide is brimming with details concerning sports betting odds and is designed to equip you with every piece of knowledge you might need.
Explore further to gain insight into various sports betting odds, how to interpret these odds in different wagering scenarios, and effectively calculate the chances of a win based on odds.
Understanding The Different Types of Sports Betting Odds
Sports bettors placing their action at legal sportsbooks will find an array of betting odds on display. In the United States, you’ll encounter American odds, particularly in the form of moneyline odds.
Beyond that are fractional and decimal odds, which are predominant in other parts of the world. Before the advent of digital sportsbooks, a select few dominant casinos in Las Vegas set the standard when it came to establishing odds.
These Vegas bookmakers continue to be coveted by seasoned bettors, notably because they often allow for larger stakes, stimulating more significant betting sums.
Understanding the various forms of odds is an essential skill bettors need to master in order to engage in betting with confidence and calculate possible returns at top-notch sports betting platforms.
American Odds
Widely used across online betting platforms and brick-and-mortar books, American odds use the standard of a $100 stake to illustrate how bets are placed. The use of plus (+) and minus (-) symbols helps bettors distinguish the favored team or player from its opponent.
If you’re betting on the favorite, indicated by a minus sign, your prospective winnings are usually less than the amount bet. Conversely, if betting on an underdog—marked with a plus sign—you stand to win more than your original stake.
As an example, a successful $100 bet at +200 returns a total of $300 ($200 profit plus the initial $100 bet), whereas a $100 stake at -200 odds would net a $50 profit, culminating in a $150 return.
Fractional Odds
Fractional odds are prevalent in In countries such as the U.K. and Ireland, and frequently used in horse racing betting in the United States.
They don’t involve the plus and minus symbols found in American odds and are convertible to other odds formats like American and decimal. The calculation for fractional odds is quite simple: winnings are found by multiplying the stake by the given fraction.
For example, wagering $50 at 10/11 odds on a winning horse race yields a profit of $45.45, resulting in a total return of $95.45. This is obtained by the formula 50 x (10/11) + the original bet.
Decimal Odds
Decimal odds are structured to include the returned stake in the total payout, making them distinctive from fractional and American odds.
Although they are not common within the US betting circles, European bookies use them more frequently. Grasping the mechanics of decimal betting odds is markedly simpler compared to the complexities involved with American and fractional odds.
Take for instance the straightforward process of determining potential earnings and the overall return from a $50 stake placed at 2.5 odds. You would merely multiply the amount bet by the given odds.
Consequently, you would yield a profit of $75, culminating in a gross return of $125 when you include both the profit and the original wager.
Moneyline Odds
Moneyline odds serve as an alternative to the conventional American odds. Profits are rewarded solely for wagers that predict the correct winning team, regardless of the margin of victory.
These odds are prevalent for many sports, most notably in the NBA, NHL, NFL, MLB, and soccer. Moneyline odds indicate the potential profit on a $100 stake or the amount necessary to wager to attain a $100 profit.
For example, a negative sign preceding odds for the favored team suggests the requisite stake for a payout totaling $100. Consequently, a bettor would need to place a $200 wager at -200 odds on a favored team to potentially claim a $100 gain.
Conversely, positive numbers associated with bets on underdogs denote the potential winnings from a stake of $100. So, a successful $100 wager on a team showing +200 odds would yield a return of $200.
How To Scale Your Wager
While using a $100 stake as an example is helpful for explaining the sports betting process, it is important for bettors to understand their financial limits. Also, to determine how many units they can sensibly bet within their available budget.
Understanding the intricacies of interpreting betting odds is an essential step for anyone considering participating in wagering. Bettors have to be adept at modifying their bets to correlate with payouts that might diverge from the conventional $100 stake.
When deciding to place a wager of $50 at odds of +388, you would calculate the potential return by multiplying the bet ($50) by the odds (+388), followed by a division by 100. So, the earnings amount to $194, and adding the original bet yields a complete return of $244.
Meanwhile, to figure out the required stake for a desired profit given negative odds, the odds must be turned into a decimal figure.
Take an instance where a bettor desires a $200 gain with odds of -388. The conversion to decimals is completed by dividing the odds, -388, by 100, to get 3.88. This decimal is then multiplied by the wanted profit amount.
Consequently, a bet amounting to $776 is necessary to achieve a $200 gain with these given odds. After a victorious bet, the total sum returned is $976, incorporating the $776 original wager plus the $200 earnings.
Implied Probability
Implied probability is determined by assessing the likelihood of a certain outcome based on the given odds.
This calculation varies depending on the format of the odds, with the objective being to express the likelihood as a percentage—the higher the number, the greater the chance that the event will take place.
For American and moneyline odds, the formula to determine implied probability will differ for favorites and underdogs, represented by negative and positive numbers, respectively.
For favored outcomes, the formula is expressed as odds/(odds + 100) x 100.
If you’re analyzing odds of -900, the calculation would be 900/(900 + 100) x 100. This results in 0.9, translating to an implied win likelihood of 90% for a -900 favorite.
Hence, a bettor would need a win rate of at least 90% when consistently betting on these odds in order to achieve a profit over time.
Conversely, to figure out the implied probabilities for underdogs, the formula used is 100/(odds +100) x 100.
As an example, for odds of +400, the implied probability formula would be 100/(400 + 100) x 100. When calculating an implied win probability from a quotient of 0.2, it translates to 20 percent when you multiply it by 100.
Let’s say there’s a scenario where we’re dealing with decimal odds. To determine the implied probability, you’ll want to divide 1 by the current odds.
So, if a team is listed at odds of 1.25, the implied probability comes out as 0.8, or 80 percent upon doing the math (1 divided by 1.25). This implies that there’s an 80% chance the team will come out victorious in the match.
Calculating implied probability with fractional odds, a format often seen in horse racing, involves a slightly different method. The formula applied is denominator/(denominator + numerator) multiplied by 100. Considering a horse at 3/1 odds, you’d use the formula 1/(1+3) times 100, yielding 25.
Therefore, a horse—or a team—at these odds would hold an implied win probability of 25 percent.
Why Odds Change
There are various reasons why betting odds fluctuate.
Changes can occur right up to the last moment especially if there are unexpected lineup change on a team because of injuries or other circumstances before a game. These alterations might affect how a team is perceived and its projected chances, influencing the odds.
Odds might also be adjusted by bookmakers in response to heavy betting on one outcome, or to balance out the action. This is particularly so if ‘sharp money’, which comes from bettors reputed for their expertise and success, has been placed.
Team Lineup Changes
When a key player is sidelined by an injury or must sit out due to a suspension, the odds can be recalculated to acknowledge how the absence could affect the team’s dynamics and overall chances. In such cases, the adjustment typically swings in favor of the opponent.
Sportsbook Prediction Changes
Sportsbooks might change the odds based on how they analyze the upcoming event or to draw more wagers to an outcome that could potentially limit their own risk or exposure. Bookmakers may adjust the odds in reaction to “sharp action,” which occurs when bets are placed by highly-regarded gamblers on specific results.
Understanding the Basics of Sports Betting Odds
It’s crucial to learn how to interpret sports betting odds if you’re looking to engage in wagering.
The moneyline and American odds are typically indicated by a plus or minus sign next to a numeral. The favored outcomes are shown with negative numbers, while underdogs are denoted by positive numbers.
Fractional odds appear as fractions with the numerator showing potential winnings and the denominator showing the stake. These odds are expressed with a dash, colon, or slash (2-1, 2:1, 2/1).
Decimal odds are always a positive figure, devoid of plus or minus signs, and they reflect the amount a bettor could win for each dollar put on the wager.
Frequently Asked Questions About Sports Betting Odds
We have collected a list of frequently asked questions on sports betting odds and provided answers below:
What does +200 mean in terms of betting odds?
In terms of sports betting odds, +200 refers to a wager that pays out at 2-1 odds if successful. For example, every $100 wagered on a market listed at +200 odds would pay out $200 in profit plus the initial stake of $100, equalling a total return of $300.
How do 3 to 1 odds work?
Similar to the example mentioned above, 3 to 1 odds (+300) refer to a wager that pays out three times as much as the initial stake. In this case, a successful $100 wager at 3-1 odds would return a total of $400. Out of that $400, $300 would be profit from the wager and $100 would be the initial stake going back to the player.
What do negative odds mean?
Negative odds are a sign that the wager is more likely to succeed, which in turn suggests that the returns and the overall payout for a successful bet will be comparatively modest.