+158 Odds Explained
- Decimal
- 2.58
- American
- +158
- Fractional
- 79/50
- Implied probability
- 38.76%
- Polymarket
- 39¢
- $100 wins
- 158.00
- American
- +158
- Fractional
- 79/50
- Implied probability
- 38.76%
- Polymarket
- 39¢
- Profit
- 158.00
- Total return
- 258.00
2.580 decimal, +158 American, 38.76% implied probability
The price +158 converts to 2.58 decimal odds and 79/50 fractional odds. Read as a probability it says the bookmaker prices this outcome at 38.76%, 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 39¢.
What +158 pays
A 100 stake at +158 returns 258.00 in total: your 100 back plus 158.00 profit. To win exactly 100 you would stake 63.29. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 15.80 | 25.80 |
| 25 | 39.50 | 64.50 |
| 50 | 79.00 | 129.00 |
| 100 | 158.00 | 258.00 |
| 500 | 790.00 | 1,290.00 |
| 1,000 | 1,580.00 | 2,580.00 |
Break-even and long-run results
The implied probability of +158 is 38.76%, and that number is also the break-even win rate: win more often than 38.76% 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% | 0.6% |
| 50% | 29.0% |
| 55% | 41.9% |
| 60% | 54.8% |
| 65% | 67.7% |
At 38.76% implied, +158 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 158.00 per 100. Draws in soccer, the second favourite in a three-horse race and road teams in close games are typical residents of this range.
The vig at +158
If both sides of a two-way market were priced at +158, the implied probabilities would add up to -22.48% above 100%. That excess is the overround, or vig; as a share of stakes it is a -29.00% 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.
+158 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +158 is worth 2.548 decimal (+155 American); at 5% it drops to 2.501 (+150). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.548 | +155 | 39.24% |
| 5% | 2.501 | +150 | 39.98% |
Same price in other formats
Nearby prices
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Frequently asked questions
What does +158 mean in betting?
+158 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +158 the implied probability is 38.76% and a 100 stake returns 258.00.
What is +158 in decimal odds?
+158 converts to 2.580 in decimal odds (usually shown as 2.58). Decimal odds are the total return per unit staked, so multiply your stake by 2.580 to get the return.
What is +158 as a fraction?
+158 is 79/50 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 +158?
A 100 stake at +158 wins 158.00 in profit and returns 258.00 including the stake. To win exactly 100 you would stake 63.29.
What win rate do I need at +158?
The break-even win rate equals the implied probability, 38.76%. Winning more often than that at this price is profitable over the long run; winning less often loses money.