Identify the type of line you are taking a look at. All online sports books give you the opportunity to get your traces at an »American » or »Money line » version. I’d use this as my standard, if I were you. An »American » line utilizes either a + or before a number to signify odds. So a -120 and also a +120 are two very different chances on a team… I’ll explain the differences soon. Two other less common variations exist: Publish chances and fractional odds.
Briefly:
–Fractional odds are seen in hurrying. A 10/1 payout ought to be read »$10 paid for every $1 wagered. » When the larger number is on the left, you’ll discover that wager is normally an underdog in the race. Also note, however, that if for example »Who will win the Super Bowl in the NFL? » You will see all of the teams listed as »underdogs »… i.e. paying at least 2/1 (some up to 300/1 or longer ).
Identify your favorite. Lines with a – until the amount (i.e. -200) signal the preferred. A -200 ought to be read as: »For each $200 wagered, I win $100. » When there is a negative sign, the line must always be read with relation to 100. That does not mean you have to bet that much, it’s just easiest to understand! When a + sign is present, just undo the reading, always keeping reference to 100:
Cases:
1) -150: For each $150 wagered, I win $100 ($50 wagered would win $25).
2) +300: For every $100 wagered, I win $300 ($50 wagered would win $150).
3) 100 (can be either +/-): For every $100 wagered, I win $100 ($50 wagered will win $50).
4) Most commonly: -110: For every $110 wagered, I win $100.
You see »4″ most often because the extra $10 you have to wager to win $100 is known as the »juice » the books maintain as a charge for making the line available to you.
The most important thing you can educate yourself early on is: »Only because the novels assign one side to be the preferred (even big, -200 or even -300, favorites), doesn’t follow they will win. » We have all seen favorites become mad, and it is crucial to avoid the temptation of finding comfort in the fact that the lines makers place one team as a favorite.

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