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.
Because the spread is intended to create an equal number of wagers on either side, the implied probability is 50% for both sides of the wager. To profit, the bookmaker must pay one side (or both sides) less than this notional amount. In practice, spreads may be perceived as slightly favoring one side, and bookmakers often revise their odds to manage their event risk.
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Betting on sporting events has long been the most popular form of spread betting. Whilst most bets the casino offers to players have a built in house edge, betting on the spread offers an opportunity for the astute gambler. When a casino accepts a spread bet, it gives the player the odds of 10 to 11, or -110. That means that for every 11 dollars the player wagers, the player will win 10, slightly lower than an even money bet. If team A is playing team B, the casino is not concerned with who wins the game; they are only concerned with taking an equal amount of money of both sides. For example, if one player takes team A and the other takes team B and each wager $110 to win $100, it doesn’t matter what team wins; the casino makes money. They take $100 of the $110 from the losing bet and pay the winner, keeping the extra $10 for themselves. This is the house edge. The goal of the casino is to set a line that encourages an equal amount of action on both sides, thereby guaranteeing a profit. This also explains how money can be made by the astute gambler. If casinos set lines to encourage an equal amount of money on both sides, it sets them based on the public perception of the team, not necessarily the real strength of the teams. Many things can affect public perception, which moves the line away from what the real line should be. This gap between the Vegas line, the real line, and differences between other sports books betting lines and spreads is where value can be found.
As you can see, understanding the -110 in sports betting is pretty basic once you realize what it represents. You can also apply this knowledge to other odds as well, such as the money line. This kind of bet is different because you are betting who will win the game straight-up, which causes the odds to be different for each game (instead of -110 for everything).

When the point spread was invented in Chicago by Charles McNeil the money line took a backseat. When two unevenly matched teams played, the playing field was leveled by having the favorite give points (for example Chicago Bears –7) while the underdog got points (Minnesota Vikings +7). No matter which team the bettor took the bettor would always risk $110 to win $100. The extra $10 needed to win $100 is called the juice or the vig, it is basically the house’s or the bookie’s take. It’s 10-percent of the bet so it would take $33 to return $30 and $440 to return $400 etc. (winning bettors get the vig back).

In my honest opinion, tennis is a sport that doesn't get nearly enough credit for being a legitimate source of entertainment as a fan and a legitimately hard game to master. Since you are reading this and have access to the Internet, I'm sure you've heard of Roger Federer and Rafael Nadal. They are the two biggest names in the sport, even as their careers are starting to wind down. The debate between both sets of fans as to who the "G.O.A.T" is rivals that of the LeBron/Kobe or Ronaldo/Messi comparison. Read More >>
If you aspire to become an avid bettor and are serious about learning the trade, the first thing I recommend doing is to come up with several angles and legitimate reasons why betting on a specific team is going to make you money. I understand that angles and reasoning can only take you so far before what happens on the court or field is out of your control but playing the angles is a key part of sports betting that isn't going away any time soon. One of the better angles I look to play is a bet called the First Half Bet. Read More >>
The divisional round of the NFL playoffs concludes on Sunday, and we’ll know which four teams have a chance to win Super Bowl LIII after two must-watch games. Tom Brady and the Patriots will try to earn their fourth consecutive AFC Championship berth, but is it finally Philip Rivers’ year? In the NFC, Nick Foles led the Eagles to a stunning upset of the Bears, but can the defending Super Bowl champions take down the No. 1 Saints?
In the United States, it was previously illegal under the Professional and Amateur Sports Protection Act of 1992 for states to authorize legal sports betting, hence making it effectively illegal. The states of Delaware, Montana, Nevada, and Oregon—which had pre-existing sports lotteries and sports betting frameworks, were grandfathered and exempted from the effects of the Act.[6]
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.
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When it's not NFL season, BetOnline keeps on chugging along with point spreads for numerous other sports including men's + women's basketball (pro + college), along with run lines for baseball (full game + 5-inning), and they even have goal lines for several hockey leagues worldwide. BetOnline excels when it comes to betting on any sport, visit them today and give them a chance to prove it...it will not cost a cent!


Many of the leading gambling bookmakers from the 1930s to the 1960s got their start during the prohibition era of the 1920s. They were often descendants of the influx of immigrants coming into the USA at this time. Although the common stereotype is that these bookies were of Italian descent, many leading bookies were of eastern European ancestry.[4]
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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