Precisely how To Understand Playing Probability

What Is Point Spread Betting?

Odds are particularly useful in problems of sequential decision making, as for instance in problems of how to stop on a last specific event which is solved by the odds algorithm. This is a minor difference if the probability is small (close to zero, or “long odds”), but is a major difference if the probability is large . “It helped me to understand in simple words how the betting world functions. Thank you.” “I was reading about the McGregor-Mayweather fight, so I wanted to understand all the talk surrounding the betting. Thanks to all authors for creating a page that has been read 841,580 times.

These bets move the market because the sportsbooks respect the opinions of these accounts. For example, imagine in the 49ers/Lions game listed above that the sportsbook became inundated with a flood of Lions +7.5 money. Instead of immediately adjusting the line to +7 they might list the Lions +7.5 (-120). Note that because this game took place on a neutral field , the spread was the actual representation of the difference between the two teams.

Each of the odds formats represent a chance of winning, just displayed in a different way. When using decimal odds, the underdog has the higher of the two numbers, while the favorite has the lower of the two. To calculate decimal odds, you can use the following equation.

These odds suggest that if this fight happened 21 times (8 + 13), Golovkin would lose 8 bouts and win 13. If you think their chance of winning is higher than that, this bet is worth serious consideration. Implied probability refers to the likelihood of a particular outcome suggested by the odds.

Still, there is no doubt that money-line wagers should be a key part of your wagering repertoire. After all, the entities we are wagering on are just trying to win the game, rather than win or not lose by a certain amount. When we bet on the money line, we are betting on the precise thing that teams are trying to accomplish, which is naturally to win the game. In sports like baseball, boxing, and MMA–the money line is the way you make straight bets.


If you want to bet your $10 on Alvarez, multiply that sum by the quotient of 11 ÷ 8 (1.375). Implied probability is useful because if your estimate of the probability of an event occurring is different than a sportsbook’s you can and should adjust your bet accordingly. Therefore, if you wager $40 on Pittsburgh, you will win $30.77, and your payout would be $70.77 . You can use the formula below to calculate the potential winnings for any value you wish to wager.

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. You see “4” most commonly because the extra $10 you have to bet to win $100 is called the “juice” that the books keep as a fee for making the line available to you.

For more definitions of common sports betting terms, check out SharpSide’s dedicated glossary page. In summary, the point spread is a calculated prediction of how much a team will win or lose by. If you look at the odds board and see a team’s or individual’s name followed by a minus sign and a number, that reflects that side is favored by that number of points.

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