+187 Odds Explained
- Decimal
- 2.87
- American
- +187
- Fractional
- 187/100
- Implied probability
- 34.84%
- Polymarket
- 35¢
- $100 wins
- 187.00
- American
- +187
- Fractional
- 187/100
- Implied probability
- 34.84%
- Polymarket
- 35¢
- Profit
- 187.00
- Total return
- 287.00
2.870 decimal, +187 American, 34.84% implied probability
American odds of +187 mean
a 100 stake wins 187
. In decimal notation that is 2.87, in fractional notation 187/100, and the implied probability is 34.84%. On a prediction market the same price is a 35¢ share.
What +187 pays
A 100 stake at +187 returns 287.00 in total: your 100 back plus 187.00 profit. To win exactly 100 you would stake 53.48. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 18.70 | 28.70 |
| 25 | 46.75 | 71.75 |
| 50 | 93.50 | 143.50 |
| 100 | 187.00 | 287.00 |
| 500 | 935.00 | 1,435.00 |
| 1,000 | 1,870.00 | 2,870.00 |
Break-even and long-run results
The implied probability of +187 is 34.84%, and that number is also the break-even win rate: win more often than 34.84% 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 |
|---|---|
| 35% | 0.4% |
| 50% | 43.5% |
| 55% | 57.9% |
| 60% | 72.2% |
| 65% | 86.6% |
At 34.84% implied, +187 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 187.00 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 +187
If both sides of a two-way market were priced at +187, the implied probabilities would add up to -30.31% above 100%. That excess is the overround, or vig; as a share of stakes it is a -43.50% 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.
+187 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +187 is worth 2.833 decimal (+183 American); at 5% it drops to 2.777 (+178). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.833 | +183 | 35.30% |
| 5% | 2.777 | +178 | 36.02% |
Same price in other formats
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +187 mean in betting?
+187 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +187 the implied probability is 34.84% and a 100 stake returns 287.00.
What is +187 in decimal odds?
+187 converts to 2.870 in decimal odds (usually shown as 2.87). Decimal odds are the total return per unit staked, so multiply your stake by 2.870 to get the return.
What is +187 as a fraction?
+187 is 187/100 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 +187?
A 100 stake at +187 wins 187.00 in profit and returns 287.00 including the stake. To win exactly 100 you would stake 53.48.
What win rate do I need at +187?
The break-even win rate equals the implied probability, 34.84%. Winning more often than that at this price is profitable over the long run; winning less often loses money.