-3700 Odds Explained
- Decimal
- 1.03
- American
- -3,700
- Fractional
- 1/37
- Implied probability
- 97.37%
- Polymarket
- 97¢
- $100 wins
- 2.70
- American
- -3,700
- Fractional
- 1/37
- Implied probability
- 97.37%
- Polymarket
- 97¢
- Profit
- 2.70
- Total return
- 102.70
1.027 decimal, -3,700 American, 97.37% implied probability
American odds of -3700 mean
you risk 3700 to win 100
. In decimal notation that is 1.03, in fractional notation 1/37, and the implied probability is 97.37%. On a prediction market the same price is a 97¢ share.
What -3700 pays
A 100 stake at -3700 returns 102.70 in total: your 100 back plus 2.70 profit. To win exactly 100 you would stake 3,700.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 0.27 | 10.27 |
| 25 | 0.68 | 25.68 |
| 50 | 1.35 | 51.35 |
| 100 | 2.70 | 102.70 |
| 500 | 13.51 | 513.51 |
| 1,000 | 27.03 | 1,027.03 |
Break-even and long-run results
The implied probability of -3700 is 97.37%, and that number is also the break-even win rate: win more often than 97.37% 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.
| Win rate | Return on stake |
|---|---|
| 50% | -48.6% |
| 55% | -43.5% |
| 60% | -38.4% |
| 65% | -33.2% |
| 97% | -0.4% |
A price of -3700 is deep odds-on. Bookmakers quote it when an outcome is close to a formality, and the margin they take is proportionally large at this end of the market. Sharp bettors tend to look at the other side of such a market, or at the exchange, where the same favourite is often available a tick or two better.
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 48.65% 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 1.026 decimal (-3,776 American); at 5% it drops to 1.026 (-3,895). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.026 | -3,776 | 97.42% |
| 5% | 1.026 | -3,895 | 97.50% |
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 97.37% and a 100 stake returns 102.70.
What is -3700 in decimal odds?
-3700 converts to 1.027 in decimal odds (usually shown as 1.03). Decimal odds are the total return per unit staked, so multiply your stake by 1.027 to get the return.
What is -3700 as a fraction?
-3700 is 1/37 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 2.70 in profit and returns 102.70 including the stake. To win exactly 100 you would stake 3,700.00.
What win rate do I need at -3700?
The break-even win rate equals the implied probability, 97.37%. Winning more often than that at this price is profitable over the long run; winning less often loses money.