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1.37 Decimal Odds Explained

Decimal
1.37
American
-270
Fractional
37/100
Implied probability
72.99%
Polymarket
73¢
$100 wins
37.00
Inputs
Results
Decimal odds1.370
American
-270
Fractional
37/100
Implied probability
72.99%
Polymarket
73¢
Profit
37.00
Total return
137.00

1.370 decimal, -270 American, 72.99% implied probability

A price of 1.37 carries an implied probability of 72.99%. That is the share of the time the bookmaker expects this outcome, margin included. In other formats it reads -270 (American), 37/100 (fractional) and 73¢ on a prediction market.

What 1.37 pays

Multiply the stake by 1.37 to get the total return. A 100 stake returns 137.00, of which 37.00 is profit. To win 100 in profit you would need to stake 270.27.

Payout by stake
StakeProfitTotal return
103.7013.70
259.2534.25
5018.5068.50
10037.00137.00
500185.00685.00
1,000370.001,370.00

Break-even and long-run results

One divided by 1.37 is 72.99%: the implied probability, and the win rate at which betting this price neither makes nor loses money. The rows below show the return on stake at several win rates.

Return on stake by long-run win rate
Win rateReturn on stake
50%-31.5%
55%-24.6%
60%-17.8%
65%-10.9%
73%0.0%

1.37 is a favourite's price with an implied probability of 72.99%. Bookmakers place their margin unevenly across a market, and in this band the favourite usually carries a smaller share of it than the outsider does, which makes favourites the side to compare across books first.

Converting 1.37 by hand

Every other format follows from the decimal price in one step. Implied probability is one divided by 1.37, which gives 72.99%. American odds depend on which side of 2.00 the price sits: below 2.00, divide −100 by (1.37 − 1) to get -270. The fraction is 1.37 − 1 written as a ratio and snapped to the nearest traditional price, 37/100. A prediction market simply quotes the probability in cents: 73¢.

The vig at 1.37

If both sides of a two-way market were 1.37, their implied probabilities would sum to 45.99% above 100%. That is the overround; as a share of stakes it is a 31.50% margin. The fair price with the margin removed is 2.00 on each side. The devig calculator does this for any market and any method.

1.37 on a betting exchange

Exchange commission comes off winnings, so 1.37 at 2% commission is really 1.363, and at 5% it is 1.352. The break-even win rate rises accordingly.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%1.363-27673.39%
5%1.352-28473.99%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • 1.32 · 1.32 · 75.8%
  • 1.35 · 1.35 · 74.1%
  • 1.36 · 1.36 · 73.5%
  • 1.38 · 1.38 · 72.5%
  • 1.39 · 1.39 · 71.9%
  • 1.42 · 1.42 · 70.4%

Frequently asked questions

What does 1.37 decimal odds mean?

Decimal odds of 1.37 return 1.37 for every 1.00 staked, including the stake, so the profit is 1.37 minus 1. The implied probability is 72.99%.

What is 1.37 in American odds?

1.37 decimal is -270 in American odds. Prices of 2.00 and above convert with (decimal − 1) × 100; prices below 2.00 with −100 / (decimal − 1).

What is 1.37 as a fraction?

1.37 is 37/100 in fractional odds: subtract 1 from the decimal price and express the result as a fraction.

How much does 100 return at 1.37?

100 × 1.37 = 137.00 total return, of which 37.00 is profit.

What win rate breaks even at 1.37?

1 / 1.37 = 72.99%. Win more often than that and the price is profitable; the bookmaker's margin means both sides of a market usually sit a little under fair.