-157 Odds Explained
- Decimal
- 1.64
- American
- -157
- Fractional
- 58/91
- Implied probability
- 61.09%
- Polymarket
- 61¢
- $100 wins
- 63.69
- The fraction shown is the closest simple fraction to the odds rounded to 3 decimals, not an exact match.
- American
- -157
- Fractional
- 58/91
- Implied probability
- 61.09%
- Polymarket
- 61¢
- Profit
- 63.69
- Total return
- 163.69
1.637 decimal, -157 American, 61.09% implied probability
The price -157 converts to 1.64 decimal odds and 58/91 fractional odds. Read as a probability it says the bookmaker prices this outcome at 61.09%, 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 61¢.
What -157 pays
A 100 stake at -157 returns 163.69 in total: your 100 back plus 63.69 profit. To win exactly 100 you would stake 157.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 6.37 | 16.37 |
| 25 | 15.92 | 40.92 |
| 50 | 31.85 | 81.85 |
| 100 | 63.69 | 163.69 |
| 500 | 318.47 | 818.47 |
| 1,000 | 636.94 | 1,636.94 |
Break-even and long-run results
The implied probability of -157 is 61.09%, and that number is also the break-even win rate: win more often than 61.09% 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% | -18.2% |
| 55% | -10.0% |
| 60% | -1.8% |
| 61% | -0.1% |
| 65% | 6.4% |
With an implied probability of 61.09%, -157 is a moderate favourite. Prices in this band are where the bookmaker's margin is easiest to see: the opposite side of the market is usually priced a little longer than the fair line, and the two implied probabilities add up to more than 100%.
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 18.15% 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 1.624 decimal (-160 American); at 5% it drops to 1.605 (-165). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.624 | -160 | 61.57% |
| 5% | 1.605 | -165 | 62.30% |
Same price in other formats
Nearby prices
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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 61.09% and a 100 stake returns 163.69.
What is -157 in decimal odds?
-157 converts to 1.637 in decimal odds (usually shown as 1.64). Decimal odds are the total return per unit staked, so multiply your stake by 1.637 to get the return.
What is -157 as a fraction?
-157 is 58/91 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 63.69 in profit and returns 163.69 including the stake. To win exactly 100 you would stake 157.00.
What win rate do I need at -157?
The break-even win rate equals the implied probability, 61.09%. Winning more often than that at this price is profitable over the long run; winning less often loses money.