# Understand Betting Odds

## Understand different types of betting odds

1. American Odds
2. Decimal Odds
3. Fractional Odds

# 1. Understand the American Odds

• The negative odd states how much you must wager to win `100` units.
• The positive odd states how much you will win if you place a `100`-unit wager.
• If we bet for `Team A`, we are going to win `\$150` with a `\$100` bet. So we put in `\$100` and get `\$250` back.
• If we bet for `Team B`, we must bet `\$175` to win `\$100`. So we put in `\$175` and get `\$275` back.

## How to Spot the Underdog and the Favorite

• The underdog is the side a positive odd.
• The favorite is the side with a negative odd.

# 2. Understand the Decimal Odds

`2.500 * \$100 = \$250.00`
`1.571 * \$100 = \$157.10`

## How to Spot the Underdog and the Favorite

• The underdog is the side with the bigger decimal odds.
• The favorite is the side with smaller decimal odds.

# 3. Understand the Fractional Odds

`total return = \$100 * (39/26) + \$100             = \$250.00`
`total return = \$100 * (100/175) + \$100             = \$175.00`

## How to Spot the Underdog and the Favorite

• A favorite is a team whose fractional odd’s numerator is less than the denominator. For example, `100/175` means the team is a favorite because `100 < 175`.
• An underdog is a team whose odd’s numerator is greater than the denominator. For example, `39/26` means underdog because `39 > 26`.

# Conclusion

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