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+3700 Odds Explained

Decimal
38.00
American
+3,700
Fractional
37/1
Implied probability
2.63%
Polymarket
3¢
$100 wins
3,700.00
Inputs
Results
Decimal odds38.000
American
+3,700
Fractional
37/1
Implied probability
2.63%
Polymarket
3¢
Profit
3,700.00
Total return
3,800.00

38.000 decimal, +3,700 American, 2.63% implied probability

The price +3700 converts to 38.00 decimal odds and 37/1 fractional odds. Read as a probability it says the bookmaker prices this outcome at 2.63%, which is the share of the time you would need to win just to break even. A prediction market would quote the same chance as 3¢.

What +3700 pays

A 100 stake at +3700 returns 3,800.00 in total: your 100 back plus 3,700.00 profit. To win exactly 100 you would stake 2.70. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
10370.00380.00
25925.00950.00
501,850.001,900.00
1003,700.003,800.00
50018,500.0019,000.00
1,00037,000.0038,000.00

Break-even and long-run results

The implied probability of +3700 is 2.63%, and that number is also the break-even win rate: win more often than 2.63% of the time at this price and you profit in the long run, win less often and you lose. The table shows the return on stake at a few win rates, including the break-even rate itself.

Return on stake by long-run win rate
Win rateReturn on stake
3%14.0%
50%1,800.0%
55%1,990.0%
60%2,180.0%
65%2,370.0%

With an implied chance of 2.63%, a bet at +3700 is expected to lose most of the time and to pay 3,700.00 on 100 when it does not. Outright markets, correct scores and big upsets are where these prices appear, and they are the prices bookmakers shade the hardest.

The vig at +3700

If both sides of a two-way market were priced at +3700, the implied probabilities would add up to -94.74% above 100%. That excess is the overround, or vig; as a share of stakes it is a -1,800.00% margin for the bookmaker. Removing it leaves fair odds of 2.00 decimal ( +100) on each side. Use the devig calculator to do the same for any market.

+3700 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +3700 is worth 37.260 decimal (+3,626 American); at 5% it drops to 36.150 (+3,515). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%37.260+3,6262.68%
5%36.150+3,5152.77%

Same price in other formats

Nearby prices

Nearby prices

Frequently asked questions

What does +3700 mean in betting?

+3700 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +3700 the implied probability is 2.63% and a 100 stake returns 3,800.00.

What is +3700 in decimal odds?

+3700 converts to 38.000 in decimal odds (usually shown as 38.00). Decimal odds are the total return per unit staked, so multiply your stake by 38.000 to get the return.

What is +3700 as a fraction?

+3700 is 37/1 in fractional odds, the traditional bookmaker notation where the top number is profit and the bottom number is stake.

How much do I win on a 100 bet at +3700?

A 100 stake at +3700 wins 3,700.00 in profit and returns 3,800.00 including the stake. To win exactly 100 you would stake 2.70.

What win rate do I need at +3700?

The break-even win rate equals the implied probability, 2.63%. Winning more often than that at this price is profitable over the long run; winning less often loses money.