Let's use this formula to calculate the implied probability of the Celtics winning their game against the Grizzlies. We know the odds are -240, which means we'd have to risk $240 for a total potential return of $340 (the initial stake plus the $100 winnings). So the calculation here is $240 divided by $340. This gives us an implied probability of 0.7059.
The way the sportsbook does this is by putting out a betting line that is based on how many points they think the better team is going to win by. This is a lot like how our older siblings would "spot us" a few points when we played each other in basketball as kids. For example, let's say that Florida Gators are playing the Arkansas Razorbacks. Let's also say that Florida is the better team and the sportsbook thinks they are going to win the game by seven points. They can't just let everyone bet evenly, or everyone would bet Florida and clean them out. Enter the point spread. The sportsbook would set the point spread on this game at -7 for Florida to win. The negative sign before the number signifies that this team is the favorite to win. This means that if you want to bet on Florida, they have to win by more than 7 points for you to win your bet.
--Fractional odds are most commonly found in racing. A 10/1 payout should be read "$10 paid for every $1 wagered." When the bigger number is on the left, you will find that bet is normally an underdog in the race. Also note, however, that in case such as "Who will win the Super Bowl in the NFL?" you will see all the teams listed as "underdogs"… i.e. paying at least 2/1 (some up to 300/1 or more). 

You have three choices for the three betting options: Home, Away, or Draw (tie). The result of the game is decided after regulation play (90 minutes plus injury time). Overtime, the Golden Goal rule, and penalty kicks are not taken into consideration for soccer bets unless otherwise stipulated. You can usually bet on a winner or advancement (including OT & shootouts) but with different odds would be given.
By far the largest part of the official market in the UK concerns financial instruments; the leading spread-betting companies make most of their revenues from financial markets, their sports operations being much less significant. Financial spread betting in the United Kingdom closely resembles the futures and options markets, the major differences being
What does this mean for how you win a point spread bet? Glad you asked. To win a point spread bet, you pick the team that you think is going to "win" after the point spread differences are calculated in. Let's look at an example that will make this clearer. In the above chart, we see that you can bet the San Diego Chargers at -3. This means, as we already stated, that the sportsbook thinks the Chargers are the favorites and that they are going to win by three points. Here are three potential scores of the game:
Changes to the lineup for a game will have a big effect on the moneyline as well as any other bets you’re looking to place on that game. If a superstar is suddenly out, it’s going to have a big change on where the money is coming in, which will inevitably cause a big shift in the line. Sometimes the sportsbook will even adjust the line preemptively if they anticipate a large change in where the money is going to be coming in on a particular game.
In this instance, the Dodgers are the favored team, as signified by the negative numeral. It would cost you $130 in order to collect a $100 payout on a Dodgers victory (plus the original wager of $130). But if you bet $100 on the Cubs, you'd collect $120 if they win (plus the original wager). In other words, you'll have to wager more money on Los Angeles than you would Chicago in order collect $100 on a bet.
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The number that follows the plus or minus sign will indicate how big of a favorite or an underdog the team is. The larger the number is, the bigger the favorite or the underdog the team is. For example, a team that is -300 is a bigger favorite than a team that is -150. A team that is +240 is a bigger underdog than a team that is +130. Remember, this is not the sportsbook’s actual prediction on who they think will win; it’s in relation to the money that has been bet on the game. It is more depictive of who the betting public thinks is going to win the game.
Moneylines have a tendency to move quite a bit in both directions leading up to a game, match, or fight. It’s a delicate dance that you’re going to have to master if you want to find value and push your edges to the max. Sports betting is a profit source that is all about small edges. Finding and being able to capitalize on these small edges is the key to being profitable long-term.
This is a type of betting line which lays out the amount a player must wager in order to win $100.00, or the amount the player wins on a wager of $100.00. There is no point spread or handicap in this line.  In order to win a moneyline bet, the team wagered on simply has to win the game. Payoffs are based on true odds rather than fixed odds. The amount the player lays or takes may vary from game to game.
You’ll see on the right-hand side of the teams a number with an “o” or a “u” before it. As you may have already gathered, the “o” stands for over and the “u” stands for under. Even though the over is on the Celtics line and the “u” is on the Mavericks line, it does not matter. They’re written that way for organizational sake and not because either bet is connected to either team. Remember, it only matters that the total score of the game is. One team can score all of the points, and you’ll still win your bet.

The first number in the listing pertains to the order this game appears on a sportsbook’s board. The next NFL game would be listed as #103 for the road team and #104 for the home team. You can think of these numbers in the same way that each horse in a race has its own betting number. The next big takeaway from this listing is that the top team is always the road team (thus the odd number) and the bottom team is playing at home.
Moneylines have a tendency to move quite a bit in both directions leading up to a game, match, or fight. It’s a delicate dance that you’re going to have to master if you want to find value and push your edges to the max. Sports betting is a profit source that is all about small edges. Finding and being able to capitalize on these small edges is the key to being profitable long-term.

You can also bet straight winners and losers -- with no point spreads involved -- with money line wagers. When there is a minus number you bet that amount to win $100 in profit. When there is a plus number, that is your winning profit for every $100 wagered. So if the Cowboys have a money line of -250, you would have to bet $250 on them to win $100 in profit on any Dallas victory. If the Giants had a money line of +150, you would win $150 in profit with a winning $100 bet. If a money line is posted as even, you would win a $100 profit on a $100 winning bet.
Earlier, we explained how the implied probability of -240 is 70.59% and how the implied probability of +210 is 32.36%. Notice these two probabilities total 102.95%. The extra 2.95% is the bookmaker's advantage. It's called vig, and it's basically a commission that they charge customers for placing wagers. By removing the vig, you can see what the fair odds on the game would be.
There's another reason to bet the underdogs on the moneyline as well. If your handicapping has made you feel very strongly that a poor team is due for a big win then the moneyline allows you to profit much more handsomely from your conclusion than a point spread bet does. The moneyline, then, is a powerful situational tool for people who closely follow the NBA.
Where people seem to get confused with moneyline bets is with how they are presented and how they pay out. While the criteria to win a moneyline bet will never change, the amount you win and how the bet is presented will change. Don’t worry, though. It’s easy to understand if it’s presented to you properly. We are going to cover this thoroughly in the coming sections. You’ll be a moneyline expert ready to crush the books when you get done with this guide.

‘Extra-Time’ wagers apply to 30 minutes of play according to the match officials, plus any added injury or stoppage time. However extra-time and penalty shoot-outs are not included. In ‘Extra-Time’ markets, wagers apply to the result during the extra-time period only. For the purposes of this market the score shall be deemed to be 0-0 at the start of the extra-time period.


Because the Blue Jays are favored, the sportsbook needs you to risk more to bet on them. After all, they should win this game. So wagering on baseball favorites with moneylines calls for you to risk a certain number ($185 based on -185) in order to win $100. On the other side, the sportsbook is also willing to reward you for taking the underdog, so they give you an incentive to bet on the Orioles. In this case, you would risk $100 in order to win $165 (+165) on Baltimore.
Have you ever heard of moneyline betting? It's an American term that's traditionally associated with betting on the major US sports. These wagers are available in other parts of the world too, but they're typically referred to as win bets. The same principle applies though. When you correctly select which team will win a match, you'll get paid out at the relevant odds.
A teaser is a bet that alters the spread in the gambler's favor by a predetermined margin – in American football the teaser margin is often six points. For example, if the line is 3.5 points and bettors want to place a teaser bet on the underdog, they take 9.5 points instead; a teaser bet on the favorite would mean that the gambler takes 2.5 points instead of having to give the 3.5. In return for the additional points, the payout if the gambler wins is less than even money, or the gambler must wager on more than one event and both events must win. In this way it is very similar to a parlay. At some establishments, the "reverse teaser" also exists, which alters the spread against the gambler, who gets paid at more than evens if the bet wins.
You should already know that the Eagles are the favorite to win and that you should expect less than even money on a correct pick here. You should also know that the Falcons are the favorite, and you should expect better than even money on a correct pick here. Having this in mind every time before you start your calculations will protect you from making a mistake and calculating the completely wrong direction.
Let’s say that people think the Mavericks are going to crush the Magic, and the money starts to pour in on the Mavs. Obviously, the sportsbook likes seeing a lot of bets come in, but they need them to come in evenly. So, to slow down the money coming in on the Mavericks and entice people to bet on the Magic, they will shift both lines. The new line might look something like this:

It's inevitable in sports and basketball that in each game one team is going to be better than the other. Betting would be a little pointless if you were able to make the exact same wager on each team. Everyone would just always bet the better team, and the sportsbook would quickly be out of money and have to close up shop. What point spread bets attempt to do is even the playing field and offer bets with the same risk level on both sides of the coin. They effectively aim to create a 50/50 even playing field.
You don’t have layers of complexity to fight through to see if your prediction is a positive expected value move (one that is going to make you money). With some simple mathematical calculations, you can figure out whether or not there is value in a bet. Even if you don’t like math and would prefer not to use it when assessing value and making your picks, it’s still much easier to “eyeball” value with moneyline bets because of the simplicity.
Point spreads are determined by football 'experts' to even the playing field between two teams. Normally one team will be favored to win over another team. These 'experts' determine the number of points that one team will beat another team by. For example, Chicago is favored to beat Minnesota by 10 points. On the web site it will appear like the following:
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For those who are just starting to place sports wagers online, moneylines can be a bit confusing and overwhelming. They differ from point spreads, which are more concerned with the winner and by how much they win. With moneylines, the winning bet will be based on who wins and that is it. These types of bets are usually placed when betting on low-scoring games such as hockey or baseball, but they can also be an option with boxing and some mixed martial arts. The key to understanding moneyline betting is learning how to read the lines. Bettors will usually see a + and a – amount after the listed teams. The – indicates the favoured team. Let’s say there is a moneyline of +120 and -130. The -130 is the favoured team and will cost $130 in bets to collect $100 on a win. If punters choose to bet the underdog at +120, they will bet $100 and will win $120. Basically, one will have to wager more on the favoured team to come out ahead.
Point spread and handicap betting are one of the most popular forms of sports bets that you can place. The reason we say "one" of the most popular forms instead of "two" is that these bets are effectively the same thing. These bets are a lot of fun because they allow you to root for teams that you still think are going to lose. With point spread and handicap bets, the team you're betting on can lose the game, and you can still win your bet. In contrast, the team you are betting on can win the game, and you can still lose your bet. Now that we've thoroughly confused you let's build up your knowledge, so you're an expert on the bet type. This is like sports betting boot camp; we confuse you and break you down and then build you back up as a betting machine!
So to solve the first fraction for the Heat, we do 13 divided by 20 and get 0.65. Let’s look at our calculations for the $10 bet and the $250 bet. If we bet $10, we multiply our solved fraction of 0.65 by $10 and get $6.50. This is our correct profit! If we bet $250, we multiply our solved fraction of 0.65 by $250 and get $162.50. This is out correct profit!
The reason why you will typically see a (-110) line next to a point spread is simple. This is the commision in which the sportsbooks charge for you to place your wager. This is how the casino makes their money. Think of it as a commission. You make a bet, they charge 10% for you to do so. Bookmakers call this “Vigorous or Vig” it’s also known as the “Joice”
Bookmakers use odds to even out the bets, getting gamblers to wager on both sides of the line by leveling the playing field. Although there is overall parity in the NFL, there are teams that are haves and others that are have-nots. Indianapolis is still superior to Cincinnati but when they play each other the bookies have to get about half of the bettors to put cash on the Bengals. This covers the sportsbooks ensuring they’ll make a decent amount of cash on just about every game.
For example, imagine a game where the odds were -550 for the favorite and +450 for the underdog. A bettor shopping around for lines might be delighted to see the same favorite offered at -490 and enthusiastically back the team at those odds simply because those are the best odds available. However, if we removed the vig from -550 and +450, we'd see that the fair odds are actually -466 and +466. So, placing a wager at odds of -490 doesn't actually offer any value.
If you want to bet on football, then you have plenty of options. There are not only lots of games you can bet on, there are also lots of different types of wagers you can place. Point spreads and totals are the most popular types, by quite a distance, and many football bettors stick solely to those. This isn't really the ideal approach, as some of the other wagers can be very useful in the right circumstances.
At a site that offers a free play bonus, you'd bet $100 free play on the Grizzlies at +210. At another site, where you have a cash balance, you bet $150 cash on the Celtics at -240. If the Grizzlies won, you'd win $210 cash from your free play but lose your $150 cash. That's a profit of $60. If the Celtics won, you'd win $62.51 from your cash bet and lose only your free play credit. That's a profit of $62.51

Sometimes with NFL odds you’ll see a spread posted as a whole number. Decimals or fractions are usually utilized to ensure there won’t be a tie. If in our example the spread was reset to 10 with the Colts favored and they win by 10, then the game is considered to be a tie, which in betting terms is called a push. If there is a push all bets are off and the sportsbooks return all wagers back to the bettors.

In cases when there is a point spread and moneyline offered on an event, such as an NFL football game, many bettors will place a wager on the moneyline and point spread of an underdog they feel has a chance to pull the upset. They will safely bet the point spread because they feel the game will be close, but will also put themselves in line for a nice payday if the underdog wins straight-up.
Betting “against the spread” (ATS) just means you’re betting on the point spread in a particular matchup as opposed to the moneyline, or some other type of wager. Bettors often use a team’s ATS record to gauge its performance against the spread. For example, the New England Patriots were 11-5 ATS in the 2017 regular season, meaning they covered the posted point spread 11 times, and failed to cover five times.
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