What does a +2 spread mean?

A + means that team is bet is an underdog. Therefore, -2 means that a team must win by more than two points in order to cover the spread. If they win by exactly two points, the bet would push and the stake would be returned with no winnings. Similarly, -3.5 means the team must win by more than four.

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When a point spread is listed on a sportsbook, it is accompanied by a “+” or a “-” sign. The “-” sign means that the team is the favorite, so Tennessee was listed as “-8.5.” Jacksonville, as the underdog, was listed at “+8.5.” The logical way to think about this format is to imagine that Tennessee is beginning the game with -8.5 points. If that were the case, according to the oddsmakers, the Titans and Jaguars would have a near-equal win probability. While the chances of the bet hitting may be about equal in the eyes of the sportsbook, the general odds for a point spread are still -110 on both sides of the bet, meaning a bettor must risk $110 to win $100. That extra risk is called the vig, and is how sportsbooks ensure they make money. However, sometimes the book doesn’t view the spread as exactly equal so will have the prices at something like -115/-105. Generally speaking, the two numbers add up to -220. If not, that probably means the book is taking more or less vig than is standard. As always, please use the OddsJam’s Odds pages to easily find which sportsbook has the best line and price for your bet.

How are Point Spreads Made and Calculated?

Sportsbooks calculate point spreads using a combination of data-driven computer formulas and human input. Statistical power ratings (such as KenPom for college basketball) are taken into account, as are injuries, travel, matchup history, and of course home field advantage. For example, the home team generally sees a two to three point edge in the NFL. So if the Titans and Jaguars had been playing on a neutral field, the spread would have been about six. If it was at Jacksonville, it would have been about three points instead of the 8.5 at Tennessee. This can vary depending on the home team and circumstances. When the Seahawks were at their peak playing in front of the 12th man, bookmakers would give more of an advantage than in the past few years when the Chargers would play games in front of largely visiting fans in a soccer stadium. Like all betting odds, point spreads can and will move based upon a number of different factors. For example, the Titans/Jaguars spread opened at Tennessee -9 but by kickoff on December 12th it was 8.5 at most books. This was a small line movement, but sometimes lines can move several points in one direction or the other due to action the books take in from bettors. If a substantial amount of money comes in on one side of the line (called a steam move), the sportsbooks will have to adjust the line to entice bettors to take the other side. Sportsbooks always want to have as close to equal amounts of money being bet on each side as possible so they are not at risk of taking a huge loss. Another factor that can change the line is sharp bettors. If one sharp is well known for winning consistently and bets a large sum on one side, that alone could compel the sportsbook to move the line. Since point spreads are volatile, the timing of a bet can be crucial. If a bettor sees an opening line that they predict will move significantly, they want to get in early before it shifts. Once it changes in the predicted direction, not only does that bettor have a positive EV bet, but it also opens up opportunities to middle the bet or place an arbitrage bet.

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What determines when a slot machine pays out?

Slot machines contain random number generators that can generate thousands of numbers per second, each of which is associated with a different combination of symbols. Whether you win or lose is determined by the random number generated in the exact instant you activate each play—if it matches a payline, you win.

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Slot machines generally have three or more “reels,” each of which has a number of symbols. While physical slot machines may have 20 or more symbols per reel, digital technology allows them to have many more—some have 256 virtual symbols—with millions of possible combinations. The combinations of symbols that pay out if you bet on them are called “paylines.” Slot machines contain random number generators that can generate thousands of numbers per second, each of which is associated with a different combination of symbols. Whether you win or lose is determined by the random number generated in the exact instant you activate each play—if it matches a payline, you win. Since each spin is independent, random and unrelated to previous or future spins, it’s impossible to predict what will happen on each play.

What does 0.0 mean on a point spread?

A PK or pick'em in soccer betting is essentially a point spread in which neither team is getting any points. It's also sometimes shown as +0 or -0....

Last updated Aug 2, 2021