How to Read Odds: 13 Steps (with Pictures) - wikiHow (2024)

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Co-authored byDavid Jia

Last Updated: June 25, 2023Fact Checked

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1. 1

   Know that odds tell you the likelihood of an outcome. Odds represent which team, horse, or athlete has the highest probability of winning. While there are different ways to write odds, they all indicate how likely one outcome is in comparison to another.^[1]

   • Ex: When I flip a coin, it is just as likely that I flip heads as tails. The odds are equal, or one to one.
   • Ex: If there is an 80% chance of rain one day, then there is a 20% chance it will not rain as well. The odds are 80 to 20. Otherwise put, it is four times more likely that it will rain than stay sunny.
   • Because circ*mstances may change spontaneously, odds may change as well. They are not an exact science.
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   Read sporting odds as the likelihood that one team, athlete, or horse, will win. The most common use of odds is found when placing a bet on a sporting event. Betting agencies use historical data and team statistics to predict who is more likely to win.

   • Whoever has the highest odds is considered the "favorite." If the odds are low, it means that event is not likely to occur.

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   Remember that lower odds return a higher profit. Betting on the underdog is riskier than betting on a favorite, but a higher risk means a higher potential reward.

   • The "longer the odds," or the less likely, the more money you could win.
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   Learn the vocabulary of odds when betting. Many racetracks and betting establishments will have a booklet or pamphlet helping you learn terminology, but you should understand the lingo before you read odds. Some of the basic words include:^[2]

   • Action: A bet or wager of any kind or amount.
   • Bookie: Someone who accepts bets and sets odds.
   • Chalk: The favorite.
   • Hedging: Placing bets on the team with the high odds, and the low odds, to minimize loss.
   • Line: On any event, the current odds or point spreads on the game.
   • Wager: The money you pay, or risk, on an outcome or event.

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1. 1

   Know that odds at the track tell you amount of profit you will make per dollar spent. Odds of 3-5 indicate that your profit will be three-fifths of a dollar. In other words, for every $5 you bet you can win $3 in profit.

   • To determine profit, multiply the amount you bet by the fraction. If I spend $15, then my profit for winning is $9 (15 x 3/5).
   • Ex. If I successfully bet $15 on a horse with 3/5 odds of winning, the payout would be $24 ($15 + [15 x 3/5])
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   Understand that fractions greater than one mean a team is an underdog. This makes sense, because you would expect a bet on the underdog to have a higher payout.

   • If you have a hard time with fractions, then see if there is a larger number on top then on bottom. If so, that team/horse is not expected to win.
   • When you bet for the underdog, it is called betting "against the odds." For example, if odds are 3/1 for the Cowboys this Sunday, then it is three times more likely that they will lose than win.
   • Odds of 3-1 indicate that if you bet $100, you will win $400, the original amount of your bet plus the profit. Odds of 1-3 will win you $33 on a $100 bet, or $133.

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1. 1

   Know that moneyline bets only concern what team will win the game. Odds are presented as a positive or negative number next to the team's name. A negative number means the team is favored to win, while a positive number indicates that they are the underdog.

   • Ex: Dallas Cowboys, -135; Seattle Seahawks, +135. This means the Cowboys are the favorites, but pay out less money if a bet on them wins.
   • Try out an online to check your math when you first get started. Soon enough it will be second nature, but for now ask a friend or search for a calculator that fits your betting needs.
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   Know that positive odds indicate how much profit you win per $100 spent. You also get the money you bet back. So when you bet $100 on the Seahawks, who are valued at +135, then you make $235 if they win.^[3]

   • If you bet $200, you will make twice as much profit. To calculate how much profit you make per dollar spent, divide the amount you are going to spend by 100.
   • Multiply this number by the moneyline to see your potential profit. If I spend $50, I will make .5 (50/100) of the moneyline if I win. On +135 odds, I would make $67.50 profit off of a winning bet.
   • Ex: If I spend $250 on the Seahawks (+135), I would earn $587.50 ($250 + $135 x [$250/$100]) if they win.
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   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.^[4]

   • To calculate profit, divide 100 by the moneyline to find out the profit made per dollar spent. If the moneyline is -150, then you will make $.66 for every dollar you bet (100/150).
   • Ex: If the New York Giants are favored to win -150, and I spend $90, I would make $150 total ($90 + $90 x [100/150]).

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1. 1

   Notice that point spreads adjust the score for the favorite team. This is easiest to see with an example: If the New York Knicks are playing the Boston Celtics, and Boston is favored to win by a 4-point spread, then a bet on Boston only pays out if Boston wins by more than 4 points. A bet on New York pays out if New York wins or if they lose by less than 4 points.^[5]

   • If the favorite wins by the spread exactly, it is called a "push" and all bets are refunded. In the example, if Boston wins 88-84, then it is a push and no one collects a profit.
   • If you see "half-odds" (a 4.5-point spread, for example), this is to make a "push" impossible.
   • When the spread is small, moneyline bets are often better since the spread does not indicate a clear underdog.
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   Ask your bookie about the "vig," which determines your potential profit. Also known as the "juice," the vigorish is the commission charged for placing a bet. Typically the vig is -110, and you read this number like a moneyline bet (see above).^[6]

   • On a vig of -110, I must bet $110 to make a $100 profit.
   • Continuing the example above, say I placed $110 on Boston, and they win 96-90 on a 4-point spread. Because they won by the spread, I would make $210 ($110 + $100).
   • Sometimes there are different vigs for each team. A line from before might look like this: Boston -6, -125; New York +6, -110. This means you have to bet $125 on Boston to earn $100 because there is less risk betting on Boston.

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1. 1

   Know that Over/Under bets are placed on the combined score of both teams and are much simpler to place. A bookie sets the Over/Under, and you simply choose if the combined score will be higher or lower than that mark. Over/Under bets are often less risky and complicated than other forms of betting.^[7]

   • If the O/U is 198.5 points and you bet over, then any combined score from 199 points and up will pay out.
   • If the score is exactly what the bookies set, then the bet is a push and everyone gets their money back.
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   Most payouts for Over/Under bets are even, meaning that if you wager $100 you win $100 profit.

   • Make sure to check this with your bookie first, however.

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