+157 Odds Explained
- Decimal
- 2.57
- American
- +157
- Fractional
- 157/100
- Implied probability
- 38.91%
- Polymarket
- 39¢
- $100 wins
- 157.00
- American
- +157
- Fractional
- 157/100
- Implied probability
- 38.91%
- Polymarket
- 39¢
- Profit
- 157.00
- Total return
- 257.00
2.570 decimal, +157 American, 38.91% implied probability
American odds of +157 mean
a 100 stake wins 157
. In decimal notation that is 2.57, in fractional notation 157/100, and the implied probability is 38.91%. On a prediction market the same price is a 39¢ share.
What +157 pays
A 100 stake at +157 returns 257.00 in total: your 100 back plus 157.00 profit. To win exactly 100 you would stake 63.69. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 15.70 | 25.70 |
| 25 | 39.25 | 64.25 |
| 50 | 78.50 | 128.50 |
| 100 | 157.00 | 257.00 |
| 500 | 785.00 | 1,285.00 |
| 1,000 | 1,570.00 | 2,570.00 |
Break-even and long-run results
The implied probability of +157 is 38.91%, and that number is also the break-even win rate: win more often than 38.91% 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 |
|---|---|
| 39% | 0.2% |
| 50% | 28.5% |
| 55% | 41.4% |
| 60% | 54.2% |
| 65% | 67.1% |
+157 is an underdog price: the bookmaker gives this outcome an implied chance of 38.91%, and the payout of 157.00 on 100 reflects it. Underdogs in this band are where public money and bookmaker margin often disagree, so it pays to compare prices across books before taking one.
The vig at +157
If both sides of a two-way market were priced at +157, the implied probabilities would add up to -22.18% above 100%. That excess is the overround, or vig; as a share of stakes it is a -28.50% 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.
+157 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +157 is worth 2.539 decimal (+154 American); at 5% it drops to 2.492 (+149). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.539 | +154 | 39.39% |
| 5% | 2.492 | +149 | 40.14% |
Same price in other formats
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +157 mean in betting?
+157 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +157 the implied probability is 38.91% and a 100 stake returns 257.00.
What is +157 in decimal odds?
+157 converts to 2.570 in decimal odds (usually shown as 2.57). Decimal odds are the total return per unit staked, so multiply your stake by 2.570 to get the return.
What is +157 as a fraction?
+157 is 157/100 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 +157?
A 100 stake at +157 wins 157.00 in profit and returns 257.00 including the stake. To win exactly 100 you would stake 63.69.
What win rate do I need at +157?
The break-even win rate equals the implied probability, 38.91%. Winning more often than that at this price is profitable over the long run; winning less often loses money.