A lot of betting strategy is very complex, and it definitely helps to learn some of the more advanced concepts if you want to be truly successful. However, trying to get your head around complicated strategies is NOT the right approach as a beginner. There are several simple betting systems that are relatively easy to understand, and it makes much more sense to start with these. They're not guaranteed to bring immediate success, but they can be effective if used correctly.
If the bookmaker was only confident enough to give Seattle a field goal’s lead on the Patriots, it was clearly going to be a tight game. Oddsmakers aren’t often that wrong about flagship games like the Super Bowl. All things being equal, it’s likely the betting public would have taken the Seahawks to win the game and have been done with it. But throw in the point spread that gave the Patriots 2.5 points, and the proposition seems more equal.
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.

In a different study released by FDU’s PublicMind in October 2011, results showed that New Jersey voters thought legalizing sports betting in New Jersey was a good idea. Half of New Jersey voters (52%) said that they approved the idea of legalizing sports betting at Atlantic City casinos and racetracks, 31% opposed it. In addition, there was a significant gender split: a majority of men approved of the idea by a wide margin (65-21), while only 39% of women approved and 41% opposed.[9] The October results were stable, reflecting an earlier poll in April 2011 where New Jersey voters approved the legalization of sports betting in the state by a margin of 53%-30%. However, nearly two-thirds (66%) of voters were not aware of the upcoming statewide referendum on the issue. Age proved to be a divide: voters between the ages 18 and 34 were more likely to approve of sports betting than were older voters. Dr. Woolley commented: "But... younger voters... are far less likely to vote than other voters... As always, a lot depends on who actually shows up to vote."[10]
Say the Bears are a six-point favorite over the Lions and the total is 42. To bet the Bears, you must "lay the points," meaning they must win by seven or more to cover and give you the win. Betting the underdog Lions, you are "taking" six points, and they can lose by five or fewer, or win the game outright, and you have a winning bet. If the Bears win by exactly six, both sides "push" and all bets are returned. It's also a push if the final score equals 42, otherwise the over or under will win.
The money came in heavily on the Patriots for the 11 days following the conference championship games. Over the weekend, we started to see money come in on the Rams, but it was mostly on the moneyline. The Patriots are closing as -127 or -137 favorites at most sportsbooks (bet $127 or $137 to win $100), with Bovada going up to -140. Las Vegas online sportsbooks are setting at -135, although MGM Mirage is up at -145. The Rams are between +115 and +120 underdogs (bet $100 to win $115 or $120), although again at MGM Mirage, you can get them higher at +125.
Oftentimes a point spread will not be a whole number, and will be accompanied by a decimal point and a half number. This can be significant for a point spread. Essentially what it comes down to is that a whole number point spread gives the opportunity for a wager to push. A push means that if the favorite is favored by 10 points and wins by 10 points, bettors get their money back. Just like when betting on the over/under total for points, the spread is a half-point in addition to the whole number, there is no chance to push.
In a national poll released in December 2011, Fairleigh Dickinson University's PublicMind asked voters whether they “support or oppose changing the federal law to allow sports betting” in their respective states. Just as many voters approved (42%) as opposed (42%) allowing sports betting. However, voters who already live in households where family members (including themselves) engage in sports betting had a strongly favored legalization of sports betting (71%-23%), while voters in households where sports betting is not an activity, opposed legalization (46%-36%). Peter J. Woolley, professor of political science and director of the poll commented on the findings, “Gambling has become, for good or ill, a national industry, and you can bet that politicians and casinos all over the country are closely following New Jersey’s plans.”[8]
Let’s start with the basics: what do sports bettors mean when they talk about a ‘line?’ The word line, in the language of a sportsbook, can refer to either the odds and/or a point spread in any sports contest. Let’s take a look at an imaginary line the way you’d read it off the board sitting in a Vegas sports betting lounge or on the screen at your online book. Let’s imagine a game between the New York Giants and the Dallas Cowboys. Your book’s NFL betting line might look something like this:

Often big games will have "proposition" bets on things not directly related to the final score of the game. These are usually abbreviated to "prop" bets. For example, in football whether or not the first score will be a touchdown. In baseball whether a run will be scored in the first inning. In hockey/soccer, whether anybody will score a hat trick. The odds on these are expressed like point spread bets. For example, as I write this the Golden Nugget has the following proposition bet on Super Bowl 49:
A sharp bettor is viewed as a professional in the world of sports betting. Even the best bettors over time are not going to win more than in the mid-50 percent range, with general public losing more than they win. A sharp bettor is viewed as someone who has a proven record of success, and so when they place a bet on a game, a sportsbook will suspect they know something the general public might not. The point spread can change with a large amount of public money bet on a game, but it can also move with a smaller bet by sharps.

Parlays - these might be the most popular bets out there, especially among novice and amateur bettors, perhaps because of the lure of betting a small amount for a potentially big payoff. But they are fool's gold at best. Parlays involve wagering on two or more games on the same bet following the casino's pre-determined payout scale. Each game on a parlay must win for the bet to be a winner.
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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]
The odds listed are a primary way of gauging the play in the game. There are hundreds of mismatches every single year and the leveling of the playing field has been very helpful in resolving that particular problem. With the use of odds, bookies are able to acquire an equal number of wagers on each team, which assures them that they get money regardless of who wins.

Spreads are frequently, though not always, specified in half-point fractions to eliminate the possibility of a tie, known as a push. In the event of a push, the game is considered no action, and no money is won or lost. However, this is not a desirable outcome for the sports book, as they are forced to refund every bet, and although both the book and its bettors will be even, if the cost of overhead is taken into account, the book has actually lost money by taking bets on the event. Sports books are generally permitted to state "ties win" or "ties lose" to avoid the necessity of refunding every bet.
However, there are some good values with teaser bets if you know how and where to find them. For instance, the six-point teaser is an especially effective bet in the NFL, where most games are tightly contested and six points can make a world of difference. For instance, in our previous example, the Bears would go from laying six points to simply needing to win if you put them on a teaser bet. Conversely, Detroit backers could get 12 points instead of the starting six. (Source: Doc's Sports Service)
Without a points handicap, it would not make sense to pay both sides of a wager the same amount when it's clear that not all teams are on equal footing. In fact, it is entirely possible for a team to lose the game in real-life but still win a bet if they only lose by less than a set number of points. Vice versa, a team can win a game, but lose the wager if they do not win by more points than what was predicted.

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.


In 2012, despite federal law preventions, the state legislature of New Jersey and Governor Chris Christie signed a law that would allow sports betting to take place in New Jersey race tracks and Atlantic City casinos.[15] In August 2012, Fairleigh Dickinson University's PublicMind conducted a study on the issue. Voters were asked whether New Jersey should allow sports betting even if federal law prevents it from doing so, or wait to allow sports betting until federal law permits it. Results showed that nearly half (45%) of voters wanted to allow sports betting, while (38%) decided to wait and allow sports betting once Congress allows it. Krista Jenkins, director of the poll, commented, "Although support is not overwhelming, these numbers suggest the public is cautiously behind the goal of moving forward with legalized sports betting."[16]

There’s only one DFS style game in Las Vegas casinos today. US Fantasy Sports can be found in about 14 casinos and it continues to grow. In this type of football betting, you wager on which player will rank 1st, 2nd or 3rd from a pool of players in specific positions. The wagering style is similar to horse racing where you can wager on win, place, and show. You can also make exacta and trifecta wagers. There’s also an option to place a $1 wager and pick winners from all pools to win $1,000,000.
Major League Baseball (MLB) Commissioner Rob Manfred has also advocated the league changing its stance on sports betting, with both Manfred and Silver noting that the scale of illegal sports betting makes opposition to betting meaningless. He also stated a willingness to "try to shape" any future legislation at federal level. This was noted as a marked contrast to former Commissioner of the MLB Bud Selig, with Manfred going beyond tacit approval and stating, "There is this buzz out there in terms of people feeling that there may be an opportunity here for additional legalized sports betting."[46]
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.’
While home field advantage may be a sports term, it can also be linked to your house, your route to work, or even a trip to a familiar grocery store. Think about this for a second. If you've ever hosted a party at your house, you know where everything is and you would have free reign to go into any cupboard, drawer or room you that you please. That would be an example of home-house advantage. If you've ever gone to an unfamiliar grocery store (maybe you weren't around town but you needed to make a pit stop), it is going to take you a while to find exactly what it is you are looking for. Read More >>
Bookmaker's interest - In order to guarantee a profit for the house, a bookie needs to create even action on both sides of a particular game. In a perfect world the bookie would have 50 percent of the handle come in on the underdog and 50 percent on the favorite. This ensures that the sports books are guaranteed a profit because of the 10 percent commission or "vigorish" charged on most sports wagers. This is why there is "movement" on the point spread. If one side on a game is being bet more heavily, the bookie must move the number in order to attract interest on the other side in order to balance action.
The basic principle of point spreads and totals is that you have roughly a 50% chance of winning, so technically a "fair" return on these types of wagers should be equal to the amount staked. However, they are usually priced up by bookmakers at odds of -110 (1.91 in decimal odds format, 10/11 in fractional odds format), which means for every $110 staked you stand to win $100. You don't have to stake as much as $110 of course, but the point is that a successful wager will only return 90% of the amount staked (plus the initial stake of course).

A favorite (e.g. Patriots -280) on the money line works just like our bet price example above.  In our new example, the Patriots are listed at -280, meaning you would need to risk $280 for a return of $100 on them.  It follows that a winning bet on the Pats pays $100 (plus your initial investment of $280 back).  This added risk is why betting the spread is usually more popular, especially on favorites.
Oddsmakers do more than pick the winners and losers of each game. They weigh myriad factors to determine which team is favored by how many points. They set an early point spread on each game, then adjust it up or down based on betting patterns. If the Dallas Cowboys are 6-point favorites over the New York Giants, they must win by seven or more points to pay off winning bets. If you wagered on the Giants, you win your bet if New York either beats Dallas outright or loses by five points or fewer.

Several factors influence a point spread. It starts with power rankings. The media creates power rankings throughout the year, but those can be entirely subjective based more on feelings and emotions than actual raw data. An oddsmaker creates power rankings based on a host of statistics, some more complex than others. The rankings will include record, strength of schedule, and various offensive, defensive, and special teams metrics. They might use Football Outsiders’ efficiency metrics, they might use expected points added, or they might use a host of other internal and external options. The idea being to develop as objective an assessment as possible as to how good or bad a given team is compared to the rest of the NFL.
NFL odds do not stop at the point spread and OVER/UNDER. There are numerous ways to bet on football these days, including the NFL moneyline, futures (odds to win the Super Bowl), and first-half and second-half betting lines. Throw in fun fantasy-style prop bets (will Tom Brady throw for 300+ yards this week) and live NFL betting (where you can wager on the next play and on odds that change all game long) and the importance of understanding how NFL odds work has never been greater. Check out the lines and bookmark for more updates and football lines enhancements in the coming weeks and months.
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