The last number in the top two rows of our sports line example is known as the money line. If you’re not interested in betting on the point spread, you can wager on a team to win outright. The plus sign next to the underdog (in our case, the Giants) indicates how much money you’ll earn for every $100 you bet on the money line. Conversely, the minus sign next to the favorite’s line tells you how much you have to wager in order to win $100. In our example, a $100 wager on the Giants earns you $300 should they pull off the upset, while a bet of $405 on the Cowboys will net you an extra $100. Representing odds in units of $100 makes placing different size bets easy; if you want to bet $10 on the Giants, you stand to earn $30 if they win, while a $40.50 bet on the Cowboys will net you an additional $10.
Pools, cards, and parlays - A parlay is just a combination bet. Instead of making five separate bets on five different games, the bettor places a single parlay bet, hoping he or she can predict the outcome of all five games. If any one of the games is a loser, the entire parlay is a loser. The payout is better for parlays, because the odds of successfully picking multiple winners are much tougher to beat [ref]. Most people are familiar with parlays through office betting pools or football cards. If you've ever paid $5 to select your winners from a list of that week's football games (sometimes using the spread, sometimes using the straight scores) in hopes of winning the weekly prize, then you have made an informal parlay bet. Office pools don't usually involve actual bookies beyond the person who organizes the pool, and no one takes juice from the pool. All the money is distributed to the winner or winners.
It’s never too early for a 2019 NFL Draft projection! As the 2018 NFL season winds down, the crux of next spring’s draft order is coming into focus. Will the Oakland Raiders or Arizona Cardinals pick at No. 1? Is Ohio State pass rusher Nick Bosa, coming off an injury, a lock to be the first pick in draft? Will the Giants take Eli Manning’s successor, or continue to add to the roster around the veteran? Can the Jets find help for young signal caller Sam Darnold? Here’s the latest first-round projection for the 2019 NFL Draft.
What's the difference between an oddsmaker and a bookie? A bookie's job is purely mechanical. He gets the line from Vegas or another source, offers bets at those odds, then collects money from the losers, pays out to the winners and keeps the vig. Oddsmakers don't actually take bets -- they study the games and set the lines. Bookies often adjust the spreads for their games, so they do a little oddsmaking, and oddsmakers work for casinos, which operate sports books that take bets.
The process of sports betting is nowadays better regulated and therefore a lot safer. The perception in society is also getting better and better. There are several reasons for this. On the one hand, the legalisation of online sports betting made it clear that this industry is no longer run by criminal gangs. In addition, many people recognized the irony that although they liked to play the lottery or participate in other lotteries, they still considered sports betting too risky, although they have the better chances of winning. The market was free and better controlled, the state lost its monopoly on gambling and betting providers could advertise for themselves. Now that the bookmakers were represented on television or on posters by prominent faces, the perception changed even faster. The opportunity to now also place sports bets via the Internet drew the attention of many people interested in sports. You no longer had to go to a betting office, but could place bets from the comfort of your own home, on the bus, outside with friends or in a pub.
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.
If you bet on the point spread, you’ll often see -110 placed next to each betting option. That means that you have to bet $110 to win $100. The $10 difference is effectively a fee you are paying to place the bet. It can be referred to as the juice or the vig (short for vigorish, which originates from the Russian word for winnings). If there is an even amount of money bet on both sides of the line, the juice guarantees a profit for the house.
Simply, bigger returns. On a point spread bet you would usually have to spend $105 or $110 to win $100. If you bet on the moneyline you may instead only have to spend $50, or even less, to win $100. You won't win as often, of course, because the underdog not only has to cover the spread, but it actually has to win the game outright. Upsets happen, though, and good handicapping will often isolate situations where the likelihood of an upset exceeds the risk of the bet. This is especially relevant in the NBA because the number of games, and the possibility for even the best teams to have a bad night mean that major upsets are far from rare and can be very profitable.
Understand that negative odds indicate how much money your must spend to make $100. When betting on the favorite, you take less risk, and thus earn less. When betting on a favorite, the moneyline is the amount of money you need to spend to make $100 profit. In the previous example, in order to make $100 of profit betting for the Cowboys, you would need to spend $135. Like positive odds, you earn back your bet when winning.

For example, the Golden State money line above is listed at -340 odds. Using the same principles we just discussed, $340 needs to be bet in order to win $100. Again, this is just the bet to winnings ratio - $34 will win $10, $17 will win $5, $20 will win $5.88, etc. This may seem unfair at first but it is logical. The Warriors are by far the best team in the league and have a much better chance of winning the game. Therefore, sportsbooks even this out by placing the odds at a high price for bettors to win a little.

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According to an article in The Times dated 10 April 2009, approximately 30,000 spread bet accounts were opened in the previous year, and that the largest study of gambling in the UK on behalf of the Gambling Commission found that serious problems developed in almost 15% of spread betters compared to 1% of other gambling.[7] A report from Cass Business School found that only 1 in 5 gamblers ends up a winner.[8] As noted in the report, this corresponds to the same ratio of successful gamblers in regular trading.[9] Evidence from spread betting firms themselves actually put this closer to being 1 in 10 traders as being profitable, with a high number of clients suffering from the volatility that is supposed to be one of the benefits of spread betting.[citation needed]

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.

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

The team that has the minus sign, which is the favorite, has points deducted from its final score, while the dog, with the plus sign, has points added. The favorite must beat the spread, which means they have to win by more than the negative number to pay off. The underdog pays off in two instances—if they win outright or if they lose by less than the spread.


When you’re looking at over under bets, what you need to know is that that’s the combined score of the two teams for a game. In this case, it doesn’t matter who wins the game. All that matters is the final score. For example: let’s say that the New York Yankees are playing the Boston Red Sox and the total is 9.5. It doesn’t matter who wins the game but if the two teams combine for a total score of eight runs, say with a final score of Boston winning 5-3, then the game goes under. Or if the two teams combined for 10 runs – no matter who wins – then the game goes over. So when you’re looking at the odds and you see a total next to the moneyline or point spread, that tells you the over-under that is set for the game and you have to decide whether it will go over that set amount or under.

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.
That was all before Charles McNeil, a math teacher from Chicago, invented the concept of the point spread. An avid gambler, McNeil created what he called “wholesaling odds” and started his own bookmaking operation in the 1940s. He started out offering this new style of betting on football, but his business model grew to include basketball.  McNeil changed the way sports betting was done, and his legacy lives on today in what we now call the point spread.
The optimal situation for bookmakers is to set odds that will attract an equal amount of money on both sides, thus limiting their exposure to any one particular result. To further explain, consider two people make a bet on each side of a game without a bookmaker. Each risks $110, meaning there is $220 to be won. The winner of that bet will receive all $220. However, if he had made that $110 bet through a bookmaker he would have only won $100 because of the vig. In a perfect world if all bookmaker action was balanced, they would be guaranteed a nice profit because of the vig.
The true purpose of a pointspread when it is released by any sportsbook is to try and attract an equal amount of betting action on either side of a matchup. If all the early money is flooding in on New England as the favorite with a seven point spread, the betting outlet handling this action is likely to move that betting spread to 7.5 points to try and attract some money towards Miami as the underdog.
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