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Machine learning models can make predictions in real time based on data from numerous disparate sources, such as player performance, weather, fan sentiment, etc. Some models have shown accuracy slightly higher than domain experts.[61] These models require a large amount of data that is comparable and well organized prior to analysis, which makes them particularly well suited to predicting the outcome of Esports matches, where large amounts of well structured data is available.[citation needed]
This is a very common occurrence throughout the sports betting industry. Sportsbooks have the right to shift the spread or odds for any given match prior to it starting. Many factors play a huge role in this decision, and they include injuries, weather, the volume of bets on one side, and anything in between. Depending on the time you place your wager, the bettor may also have an advantage or disadvantage based on which way the spread has shifted.
In addition to knowing the basics of betting, you should also know at least the basics of football too. It's likely that most people reading this are big sports fans, and fully understand it, but that's not necessarily the case for all our readers. We like to cater for everyone, so we've written the following two articles explaining all about the game at both professional and college level.
Here you can see that the Rams are +3.5, while the Cowboys are -3.5.  So for this example the Cowboys are 3.5 point favorites, while the Rams are underdogs of 3.5 points.  If you were to bet on St Louis you would need them to lose by 3 or fewer points or just win the game outright.  If you were to bet on Dallas you would need the Cowboys to win by 4 or more points.
What may look like a jumble of words, numbers, and punctuation is actually a precise and easy-to-read breakdown of the various odds and point spread details your book is offering. Here is a breakdown of each unit of information given above. Once you understand each part of the jumbled details above, you’ll be able to read a sports betting line with confidence.
The spread - The point spread is used in high-scoring sports like football and basketball. It is basically a handicap used to make all games competitive in the eyes of bettors. The spread gives one team an advantage of a few points. Standard notation for the point spread shows the favored team first, followed by a negative number (the actual spread). The home team is shown in capital letters. So if Buffalo was playing against Green Bay in Green Bay, and they were favored to win by seven points, it would look like this:
The punter usually receives all dividends and other corporate adjustments in the financing charge each night. For example, suppose Lloyds Bank goes ex-dividend with dividend of 23.5p. The bettor receives that amount. The exact amount received varies depending on the rules and policies of the spread betting company, and the taxes that are normally charged in the home tax country of the shares.
You’ll need to know how the rotation number, point spread, moneyline and over/under are used and what each means. Each of these terms may be called by another name. The rotation number if often referred to as the number or the rotation mark, moneyline becomes line, point spread is called the spread, and over/under becomes the total. When you come down to it, these are the major terms that can be lumped under the heading odds.
Oddsmakers want you to gamble on underdogs as well as favorites. They set points spreads that encourage balanced betting. They analyze the strengths and weaknesses of each team, factoring in won-loss record, strength of schedule, results against common foes, key injuries, recent performance and previous games between the teams. They also rate the value of home field advantage and consider the game day weather forecast where relevant. If they see heavy wagering on the favorite, they will increase the point spread during the week to spur more betting on the underdog. If more money is going on the underdog, the spread will decrease as game time nears.

Here at The Football Lines .com on our point spread page we provide the latest NFL point spread lines for the current NFL week for your informational purposes only. These include the opening NFL point spread and current line which is updated regularly throughout the week, with our aim being to provide all the NFL spread details you need both current and historical in an easy to access format. The Football Lines .com's previous seasons Historical NFL Point Spreads section provides detailed week by week opening and closing NFL spread lines dating back to the 2007 season. With the current seasons week at the top and working your way down through the previous football years data you quickly have access to the final score, open and close NFL spread lines to see how many points it moved as well as color coded display of the spread winner.
Odds for different outcomes in single bet are presented either in European format (decimal odds), UK format (fractional odds), or American format (moneyline odds). European format (decimal odds) are used in continental Europe, Canada, and Australia. They are the ratio of the full payout to the stake, in a decimal format. Decimal odds of 2.00 are an even bet. UK format (fractional odds) are used by British bookmakers. They are the ratio of the amount won to the stake - the solidus "/" is pronounced "to" for example 7/1 "seven to one". Fractional odds of 1/1 are an even bet. US format odds are the amount won on a 100 stake when positive and the stake needed to win 100 when negative. US odds of 100 are an even bet.
All individuals are banned from advertising or promoting any football betting activity in which FA regulations prohibit them from engaging. This, however, only applies to individuals in their personal capacities. For example, if a club is sponsored by a betting company and said company places its logo on the club's kit, the team's players are not in violation of the betting rules.

The Packers were the designated home team for Super Bowl I, so they’re listed at the bottom. They were also the favorites in this game, representing the mighty NFL; the –14 you see above indicates that Green Bay was a 14-point favorite, meaning they had to win by more than 14 points to cover the spread. The Chiefs, representing the upstart AFL, were 14-point underdogs. If they had won the Super Bowl, or lost by fewer than 14 points, they would have covered instead. A Packers win of exactly 14 points would have resulted in an push, with all monies returned. In the end, Green Bay won the Super Bowl 35-10 and covered the spread.


Identify the type of line you are looking at. All online sports books offer you the chance to have your lines in an "American" or "Money line" version. If I were you, I would use this as my standard. An "American" line uses either a + or - before a number to indicate odds. So a -120 and a +120 are two very different odds on a team… I will explain the differences shortly. Two other less common variations exist: decimal odds and fractional odds.
In this example the Jets are listed as four-point favorites (-4) over the Bills and the 49ers are three-point underdogs (+3) against the Seahawks. So, if you bet $110 on the favored Jets, they must defeat the Bills by more than four points in order to win $100. If you bet $110 on the underdog 49ers you will win $100 if they win outright or lose by less than the three-point spread. If the final score happens to end up exactly on the number it's a tie, or 'push,' and you get your money back.
Using the Patriots-Rams Super Bowl matchup as our example, the Patriots are listed by most sportsbooks as a 2.5-point favorite. The Patriots are listed at -2.5, while the Rams are listed at +2.5. If you bet on the Patriots to cover the spread and they win by three points or more, you win. If you bet on the Rams to cover the spread and they lost by less than three points or win the game, you win.
Although the odds on a spread bet are often listed as being even at 1:1, the fact is they are 0.90:1, which is a bit less than even. How does this work? Often in the point spread you’ll see next to each spread number -110. This tells you how much you have to wager to make $100. Thus, with the point spread -100 will always be listed, which means if someone wagers $110, they will make a $100 profit if they win. (If betting $11.00, the payout would be $10.00)
While the National Basketball Association (NBA) was once active in preventing sports betting law relaxation, current NBA Commissioner Adam Silver became the first major sports leader to break from previous administrative opposition to gambling. In 2014 he stated in a New York Times op-ed, "I believe that sports betting should be brought out of the underground and into the sunlight where it can be appropriately monitored and regulated."[44] In 2017, with support for legalization growing, he confirmed his belief that "legalized sports betting is inevitable".[45]
The 2015 Gaming Compact negotiated pursuant to the Compact Negotiation Act permits the Pueblo to “conduct, only on Indian Lands, subject to all of the terms and conditions of this Compact, any and all forms of Class III gaming.” Gaming Compact at Section 3(A)(emphasis added). The Gaming Compact, like the Compact Negotiation Act, does not qualify or limit the term ‘class III gaming.’
When betting the point spread, there is almost always a winner and a loser. However, in some instances sportsbook decide to put out a whole number such as -3 for bettors to bet on. If the final score ends with a differential of three points - no matter who wins - the bet is considered a "push" and all money is refunded to both sides since neither team covered the spread.

These are just a very small selection of some props. Many bookmakers offer dozens of different options, particularly on high profile matches. Props are generally considered a fun type of bet rather than a way to make money, but it is possible to make consistent profits from them. We explain more about props on the following page, where we also offer some strategy advice.

For all the talk of new forms of wagering, the good old point spread remains the bet of choice for most NFL fans. Also known as the line or spread, the myth is that Las Vegas sets the point spread as its predicted margin of victory for one team. In reality, it's a number chosen by oddsmakers that will encourage an equal number of people to wager on the underdog as on the favorite. The negative value (-3.5) indicates that team is favored by 3.5 points. The positive value (+3.5) indicates that team is the underdog by 3.5 points. Betting on the favorite means the team must win by at least four points to cover the point spread. The underdog team can lose by three points and still cover the spread. You will also notice a moneyline value associated with the point spread (such as -3.5, -115). This indicates how much you must risk in order to book the bet (also known as the vig or juice). It means you have to risk $115 to win $100. The underdog may see a value such as +3.5, +105. This means you risk $100 to win $105 if your team covers the spread. The spread is not a static number, so you will notice line moves during the week. Team A may be favored by 3 points on Tuesday and by 4.5 points on Friday. This indicates more people are betting on them, so Las Vegas increases the underdog value hoping to encourage more wagers on the underdog.


Point spreads are used since most recreational bettors prefer to wager even money propositions. In the above example, if there was no point spread, only moneyline betting would exist. So, if odds makers are giving the New England Patriots a 73% chance of winning a game, then in order to take bets and still have a small profit margin, the bookmaker would have no choice but to require Patriot bettors to stake $3.00 or more for each $1.00 they want to win.
If the Cowboys are 6-point favorites, their odds are -6. If the Giants are 6-point underdogs, their odds are +6. From the oddsmakers' perspective, the Giants are starting the game with a 6-0 lead, while from the Dallas side, the Cowboys are starting with a 0-6 deficit. If you bet on the Cowboys and they win 34-30, they failed to cover the spread by two points. If you bet on the Giants, they beat the spread by two points.
A listed odd with a – sign in front of it, such as the -140 in our example above, shows us how much money you would need to wager in order to win $100. So using the -140, this would show us that you would need to bet $140 in order to win $100 in profits. You can easily substitute the $100 bet for a $10 bet by moving the decimal place over one spot, showing us that you would need to wager $14 in order to win $10 in profits.
The negative (-) sign indicates that the Cowboys are the favorites, while the positive (+) sign indicates that the New York Giants are the underdogs. With the spread set at 2.5 points, a bet on the Cowboys would mean that they would have to win by more than 2.5 points (3 or more) in order for you to win that bet. A bet on New York would mean that the Giants would have to either lose by 2.5 or less points (2 or less) or win the game outright in order for your bet to win.
Two possibilities existed for Seahawks backers at this point – either the team would win the game by at least three points or not. There was no possibility for a push, thanks to the use of a half-point. It’s impossible to score a half-point in football, so thanks to the magic of rounding, there’s no room for a tie outcome. Those who backed the Patriots were looking at two possible outcomes, too – either New England would pull off the upset or they would lose by just a point or two. Both would turn out in a win.
It’s common knowledge among bettors that the online gambling industry pays close attention to Las Vegas Sports Consultants, a private company that handles the odds for casinos and newspapers. But the totals I set have to reflect our customers’ preferences for betting the over or under on certain teams in certain situations. Also, because LVSC lines are published early, I have to keep on top of injuries and potential changes in coaching strategy leading up to the game in question before I release any totals. This is doubly important in basketball, where pace determines how many shots will be taken in 48 minutes.
Easily the most popular type of betting for NFL football is “spread” betting or more commonly known as betting against the spread. Bettors who are new to NFL betting or betting in general may be a little confused with NFL spread betting, but it is pretty easy to understand once it is explained to you. We will explain what betting against the spread means below.

For beginning sports gamblers, moneylines (sometimes called money lines or American odds) can be confusing. Unlike point spreads, which are concerned with who wins and by how much, a moneyline is solely dependent upon who wins. Moneylines are used most commonly in low-scoring games like baseball or hockey, but they may also be used in boxing and other sports.
Identify the favorite: Lines with a - before the number (i.e. -200) indicate the favorite. A -200 should be read as: "For every $200 wagered, I win $100." When there is a negative sign, the line should always be read with relation to 100. That does not mean you have to bet that much, it's just easiest to understand! When a + sign is present, just reverse the reading, always keeping reference to 100: 

Ideally, the lines I release will balance the action equally, so that the winners get paid out from the pockets of the losers and we take the vigorish. That’s an ideal that rarely happens – especially in sports without a pointspread, like NASCAR and golf. If Team A is getting too much action, I’ll move the line toward Team B to try to achieve that balance. My personal preference is to tweak the vig from –110 to –105 or +100 before taking the bigger step of moving the spread a half-point or more.
Making money from betting on any sport requires an understanding of how the betting markets work, and an ability to use that knowledge to gain an advantage. No-one makes a consistent profit from simply following hunches or relying purely on statistics and trends. Sports handicapping is something that people often assume is very complicated, but the basics are actually relatively easy to grasp.

A point spread - Lets take, for a hypothetical situation on one of the types of football bets (using the point spread), that the Kansas City Chiefs were visiting the Detroit Lions and Detroit was established as a six-point favorite at game time, which is commonly written as Detroit -6. Kansas City would be the underdog and displayed as Kansas City +6. If you bet the favorite, Detroit has to win by more than six points to win your bet. Remember, the Lions are favored by six points, so we subtract six points from their final score on a spread bet. If Detroit were to win 27-20, Lions bettors would win their wager. If the Chiefs were to win the game by any score and you picked the Chiefs you would win not including the extra six points. If the Lions were to win, 20-14, it would be exactly six and a push, so you would get your money back.


There are times when moneyline wagering is smarter than point-spread wagering and this is why moneylines are growing in popularity. Typically used in baseball and hockey, pro football moneylines are popular in Las Vegas for picking underdogs. The team you choose only has to win the game, not win by a certain number of runs or goals. The negative value still indicates the favorite (-150) and the positive value indicates the underdog (+130). It's easiest to picture the number 100 sitting in the middle of these two values. For example, if you want to pick a -150 favorite, you would risk $150 in order to win $100. On the underdog, you would risk $100 and win $130 if the underdog wins. It's a simple way to have the risk-reward scenario. In the right circumstance, where you have a small underdog, you can get a very similar bet by risking less and also get a bigger payout by going the moneyline route.
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