п»їHow Do Odds Work in Betting?
If you are planning to start betting, be it casino gambling, sports betting, or any other type, it's important to understand the odds. It would be preposterous and absurd to think about placing bets without having a good grip on the main types of betting odds and the ability to read and interpret the various associated formats.
The three main types of betting odds are fractional (British) odds, decimal (European) odds, and American (moneyline) odds. These are simply different ways of presenting the same thing and hold no difference in terms of payouts. This means that a chance (percentage probability) of an event occurring can be converted and presented in any of the aforementioned types of odds.
How Fractional Odds Work.
Fractional odds (aka British odds, UK odds, or traditional odds) are popular among British and Irish bookies. These are typically written with a “slash (/)” or a “hyphen (-),” e.g. 6/1 or 6-1 and announced as “six-to-one.” Fractional odds are used by some of the world’s largest bookmakers, making them the most preferred odds across the globe.
Therefore, the total (potential) return on a stake can be stated as:
For instance, one of the major sports betting websites listed the following fractional odds for futures betting on the team to win the 2017-18 NBA Championship. Below is a selection of the three teams that had the lowest odds of winning.
Golden State Warriors: 10/11 Houston Rockets: 9/4 Cleveland Cavaliers: 7/1.
It can quickly be determined that the Golden State Warriors are the favorites while the odds on Houston and Cleveland winning are longer. That is, one wins only $10 against every $11 wagered on Golden State to be the champions. Meanwhile, one wins $9 against each $4 (i.e. 3.25 times) put at stake for Houston to win, which is a bit less probable. For Cleveland, one wins $7 against each $1 bet.
In the above example, if you bet $100 on Golden State to win, you could make a $90.91 profit [$100 x (10/11)], and could get back your initial stake of $100, resulting in a total payout of $190.91. However, if you wager $100 on Houston to win, you could receive a profit of $225 [$100 x (9/4)], in addition to the $100 initial stake leading to a total payout of $325. The potential profit for a Cleveland win would be even higher, as you could make a profit of $700 [$100 x (7/1)]. With the initial stake of $100 being returned, it would make for a total payout of $800.
How Decimal Odds Work.
Decimal odds (aka European odds, digital odds, or continental odds) are popular in continental Europe, Australia, New Zealand, and Canada. These are a bit easier to understand and work with. The favorites and underdogs can be spotted instantaneously by looking at the numbers.
The decimal odds number represents the amount one wins for every $1 wagered. For decimal odds, the number represents the total payout, rather than the profit. In other words, your stake is already included in the decimal number (no need to add back your stake), which makes its total payout calculation easier.
The total (potential) return on a stake can be calculated as:
For instance, one of the renowned betting websites priced the candidates to win the 2020 U.S. Presidential Election. Here, we list the decimal odds for the candidates and the biggest long shot among the candidates listed by the bookmaker.
Donald Trump: 4.00 Joe Biden: 1.3.
These numbers merely represent the amount one could win against each $1 put at stake. Therefore, if one bets $100 on Donald Trump to be re-elected as president, this person could make a total payout of $400 ($100 x 4.00). This amount includes the initial stake of $100, giving a net profit of $300.
Similarly, a bettor could make a total payout of $130 ($100 x 1.3) if they successfully bet $100 on Joe Biden. Deducting $100 from this return gives the bettor the net profit earned.
Reviewing the prices that the bookmaker has set for each candidate, it can be determined that according to the bookmaker, the probability of Biden (favorite) winning the election is higher than that for Trump. The higher the total payout (i.e. the higher the decimal odd), the less probable (and riskier) it is for the listed candidate to win.
How American (Moneyline) Odds Work.
Let’s understand this with the help of an example:
One of the popular betting websites priced the NCAA "Sweet 16" men's basketball game between Duke and Syracuse on March 23, 2018, with the following moneyline odds.
In this matchup, there is a big difference between the two odds, indicating a much higher probability of Duke winning the game and advancing to the next round of the NCAA Tournament.
Key Takeaways.
The three main types of betting odds are fractional (British) odds, decimal (European) odds, and American (moneyline) odds. These are simply different ways of presenting the same thing, and hold no difference in terms of payouts. Fractional odds are the ratio of the amount (profit) won to the stake; Decimal odds represent the amount one wins for every $1 wagered; and American odds, depending on the negative or positive sign, either indicate the amount one needs to wager to win $100 or the amount one would win for every $100 staked.
The Bottom Line.
If you are planning to enter the betting or the gambling world, it is important to be able to understand and interpret all types of odds well. Once you have mastered the three popular types of odds (fractional, decimal, and American), you can move towards a more detailed read on this topic and find out how the house always wins. Please refer to Understanding the Math Behind Betting Odds & Gambling for the conversion between the different formats of odds, the conversion of odds into implied probabilities, and the differences between the true chances of an outcome as well as the odds on display.
How to Understand Sports Betting Odds.
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As more and more states legalize sports betting in the U.S., inevitably more people will be drawn to sports betting. If you are a novice sports bettor, a sportsbook’s odds board or homepage on a mobile app may look like complete gibberish.
In this article, we will get you caught up on all the basic terminology you need to know. In addition, we will use this terminology to explain how to read what you see on an odds board and how to apply this knowledge towards your wagers.
Example of a Game on an Odds Board.
This is an example of an NFL game between the Dallas Cowboys and Kansas City Chiefs that once appeared on a sportsbook’s odds board. You will notice the following categories of terms: rotation numbers, point spread, over/under, and moneylines. Let’s take a look at each term individually.
Rotation Numbers.
Rotation numbers are commonly used at in-person sportsbooks. These numbers are provided for bettors to easily reference their bets when approaching the cashier.
Suppose a bettor wanted to wager on the Cowboys spread. They would approach the cashier and say “I will take number 403, Cowboys -8 for [whatever the bet amount].” The cashier would then have the proposed bet on a screen for the bettor to look at, along with the possible payout. If the bettor was satisfied with the bet, the bet is finalized once the bettor hands the cashier their money.
Telling a cashier the rotation number of a bet is not absolutely mandatory. One could simply say “I’ll take the Cowboys -8” and the cashier will likely know that the customer is referring to an NFL point spread. However, one cannot assume the cashier is knowledgeable about every sport, so telling the cashier the rotation number makes their job easier.
Point Spreads.
Over/Under.
Over/unders are also referred to as “totals” in the sports betting world. With over/unders, one is not betting on how much one team will win or lose by. Instead, an over/under is a wager on how many points will be scored.
Those who bet on the “over 42.5” think the Cowboys and Chiefs will combine to score more than 42.5 points. Those who bet the “under 42.5” think the two teams will combine to score less than 42.5. Notice how with this particular line, there can be no “push” since there cannot be a half-point scored.
Moneylines.
Similar to point spreads, a moneyline favorite can be identified with a minus sign next to the number while the underdog will have a plus. With a moneyline bet, one is simply betting who will win the game regardless of the margin of victory.
The Cowboys have a moneyline of -400. This fact introduces another important sports term called the “vig.” Those who bet the “Cowboys moneyline” would need to wager $400 to return a profit of $100. That same ratio is applied to all betting amounts, so a $100 bet on the Cowboys moneyline would net a $25 profit.
Vigs are Everywhere.
If the math to figure out how a vig of -110 works is too difficult, the rule of thumb is that sportsbooks take 10% of the winnings of every bet. However, one does not have to be a mathematical expert to be a successful sports gambler. Remember, a cashier at a sportsbook will always show you what you stand to win before you finalize your bet.
Mike Spector is a featured writer at BettingPros. For more from Mike, check out his archive and follow him @MikeSpector01 .
Super Bowl Odds 2021: Prop Bet List, Moneyline Info for Chiefs vs. Buccaneers.
Featured Columnist February 6, 2021 Comments Comment Bubble Icon.
Tom Brady is not used to being the Super Bowl underdog.
In nine previous NFL championship games, Brady has not been favored on two occasions, once against the St. Louis Rams and the other against the Seattle Seahawks.
Brady is 6-3 overall in the "Big Game," and he carries solid value on the moneyline for Super Bowl LV inside his home stadium.
The counter to any thought of betting on Brady on Sunday is an argument in favor of Patrick Mahomes, who leads the reigning champion into its second straight Super Bowl appearance.
The Kansas City Chiefs own a regular-season victory over the Tampa Bay Buccaneers and have the more explosive offensive players.
With the spread hovering around three points, Kansas City possesses some decent value as a moneyline favorite, which is something that could not be said much in the regular season since it was heavily favored in some games.
Super Bowl LV Odds.
Spread: Kansas City (-3)
Over/Under: 56.
Prop Bet List: Full list can be found here on DraftKings Sportsbook.
Brady's team is listed as the Super Bowl underdog for the second time in his career.
The New England Patriots won the game that started their run of three titles in four years. The Rams were a double-digit favorite in that contest.
Super Bowl XLIX, which New England won on Malcolm Butler's interception of Russell Wilson, had a Pick 'Em line between the Patriots and Seattle Seahawks.
Pro Football Focus outlined all of the spreads for Brady's nine Super Bowl appearances. He is 4-5 against the spread in championship games.
Brady holds a 6-3 straight up record in the Super Bowl. In his first two losses, he was held beneath 20 points by the New York Giants defense. The Philadelphia Eagles defeated the Patriots in a 41-33 shootout in Super Bowl LII.
Kansas City showed in Week 12 that it can slow down a Brady-led offense, as the Buccaneers posted seven first-half points. The Chiefs intercepted Brady twice and sacked him once in the 27-24 victory.
If you believe Kansas City's defense will get to Brady again, but you still have some doubts about the Chiefs covering or winning, you could turn to the prop bet list.
Brady's over/under of interceptions sits 0.5 with a -177 price. He is coming off a three-interception performance in the NFC Championship Game.
The Super Bowl LIV Most Valuable Player has higher over/under totals than Brady in pass attempts, completions and passing yards.
However, he may not reach those high numbers, since he completed 26 passes and earned 286 yards through the air against the San Francisco 49ers last year.
Mahomes' prop totals could go under and the Chiefs could still win because they have Tyreek Hill and Travis Kelce capable of making large gains on one play.
Hill's big-play ability hurt the Buccaneers in Week 12, and it could be the deciding factor on Sunday night.
While it is enticing to take Brady as the moneyline underdog, Kansas City has the more explosive offense and should make adjustments, just like it against Josh Allen two weeks ago, to ensure Brady is not lurking in the fourth quarter to start another one of his trademark comebacks.
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Gambling problem? Call 1-800-GAMBLER (NJ/WV/PA), 1-800-9-WITH-IT (IN), 1-800-522-4700 (CO), 1-800-BETS OFF (IA), or call or text the TN REDLINE: 800-889-9789 (TN).
A Simple Explanation: How to Read Sports Betting Odds.
Understanding the world of online betting can be a daunting task for the sports betting novice. You’re met with a wall of numbers, dots and dashes before you even get started.
The key to enjoyable betting is in knowing how to read the odds. We’ll break it all down into manageable chunks, covering the different bets and odds, and how to read them.
What Are Odds?
Before we get started, let’s take a look at what odds actually are. Odds are a set of numbers which indicate the likelihood of an event taking place. In gambling terms, the odds aren’t a true representation of probability, but show the ratio between the amount bet and the payout based on the probability calculated by the bookmakers.
Now that we have that out of the way, let’s get down to business.
The Different Types of Odds.
The first thing you’ll need to be aware of is the three most common types of odds in sports wagering:
Moneyline Point spreads Over/under betting.
What do these terms mean, exactly?
The Moneyline.
The moneyline wager is perhaps the simplest bet to understand. It’s a straightforward bet on who you think is going to win the game, no matter the final points or score margins.
What Do the Numbers Mean?
Essentially, these odds show how much your profit will be based on the amount you wager. Moneyline wagers have odds attached to both the favorite and the underdog.
Note: the odds are given in the American format. We’ll explain that in more detail later.
Point Spreads.
Usually in any game, one team is better than the other, giving us the terms favorite and underdogs in the first place.
If you were to just bet on the favorite each time, you could take your money and go, but this doesn’t make for a very exciting betting experience, nor would it be very profitable for the online bookmakers. The point spread makes things more interesting for bettors, as well as making a profit for the bookies.
Essentially, the point spread is a handicap given by the bookmakers to bring teams to an equal footing, in that it generates interest in both teams from bettors. With the point spread odds, you’ll bet on the score difference between the two teams.
WHAT DO These NUMBERS MEAN?
Betting on Team B would win you your bet if the team wins the game, OR if it loses by less than six points.
If you would like to learn more, be sure to read our article explaining point spread betting.
Over/ Under.
If you are having trouble deciding who is likely to win a game, then an over/under bet might be the way to go. Sometimes referred to as вЂtotals’ betting, over/under odds are a bet on the total combined score in a game.
It doesn’t matter who wins or loses. Instead, the bet depends on whether the combined amount is over or under a predetermined number set by the bookmaker.
If you see a bet written as 45.5 o/u , for example, this means that the bookmakers have calculated the possibility of the combined scores of the two teams as being around 45.5. The odds will often be with half points, in order to prevent what is called a вЂpush’ or tie.
All you have to do is decide whether the combined scores will total over that mark, or under it. How much you are set to win from each of these bets will be decided by the bookmaker’s odds, and how much money you want to wager (more on this later).
How to Read Odds.
Now that you know the basic betting forms, you will notice that the odds given aren’t all written in the same way. Again, there are three main formats:
This is where your head may start to hurt, but let’s try to keep it simple.
American Odds.
American odds are also used with the point spread bets, for example:
So while the point spread doesn’t change the odds given for each result, it allows the bookmakers to protect their margin or вЂjuice’.
In another article, we explain how you can find out more about how bookmakers operate and how they calculate their odds.
Decimal Odds.
Decimal odds are sometimes referred to as “European odds” and are used throughout Europe, Australia and Canada. If you’re interested in betting on international sports, it’s a good idea to know how they work.
Luckily, they’re very straightforward and easy to calculate. All you have to do is multiply your wager by the odds to find out your potential winnings.
For example, if you bet $100 on a team winning, with odds at 1.82, then your potential total amount received is $182. Simple.
Fractional Odds.
Fractional odds are one of the oldest forms of odds in sports gambling and are more popular in the UK market. Basically fractional odds show you how much you are set to win relative to how much you put in. Again, we’ll keep this simple with an easy example. Say you make a bet of $5 on Team A to win with the odds of 2/1.
This translates as:
So your bet of $5 at 2/1 odds gives you a return of $15 ($5 wagered x 2 plus the original stake of $5).
Need a Calculator Yet?
It’s a good idea to have a basic understanding of how to recognize and read each of the odds formulas, but fortunately, there are also a number of online odds converters and calculators that will do the hard work for you quickly and easily.
This comes in very handy especially when you have to recalculate when the odds change.
Why Do Odds Change?
Between the time when the betting lines open and the game starts, you’re likely to see some change in the betting odds, especially in the last few minutes. Why? There are a few reasons.
Protecting Profit.
Firstly, the bookmakers may change the odds to protect their profit. Since they’ve calculated the odds carefully to give both teams equal interest, making sure they are set to gain a profit either way, if one team is getting a clear majority of the bets, then they will change the odds to make the less favored team’s odds more favorable.
Insider Info.
Betting websites may change their odds as information comes to light. For example, when a team line-up is published before a game and the star players aren’t making an appearance, or perhaps news of injuries or training issues come out. These will all have an effect on the betting odds offered.
Sharp Bettors.
Another reason for movement on the betting line will be the sharp bettors, those professional players who may hold off to the last minute and bet against the public opinion. They are usually big-money players and their wager can be enough to move the lines.
Knowing how to use line movement to your advantage takes time and experience, but you can get a head start with our handy guide to understanding line movement.
Ready to Play.
Now that you have the basic building blocks required to understand sports betting odds, you’re ready to go. All that’s left for you to do is find the right sportsbook for you.
This can be another learning curve, but don’t worry, we’re here to help you. Just follow the link to get some great tips on how to choose the best online bookmaker.
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