-188 Odds Explained
- Decimal
- 1.53
- American
- -188
- Fractional
- 25/47
- Implied probability
- 65.28%
- Polymarket
- 65¢
- $100 wins
- 53.19
- American
- -188
- Fractional
- 25/47
- Implied probability
- 65.28%
- Polymarket
- 65¢
- Profit
- 53.19
- Total return
- 153.19
1.532 decimal, -188 American, 65.28% implied probability
American odds of -188 mean
you risk 188 to win 100
. In decimal notation that is 1.53, in fractional notation 25/47, and the implied probability is 65.28%. On a prediction market the same price is a 65¢ share.
What -188 pays
A 100 stake at -188 returns 153.19 in total: your 100 back plus 53.19 profit. To win exactly 100 you would stake 188.00. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 5.32 | 15.32 |
| 25 | 13.30 | 38.30 |
| 50 | 26.60 | 76.60 |
| 100 | 53.19 | 153.19 |
| 500 | 265.96 | 765.96 |
| 1,000 | 531.91 | 1,531.91 |
Break-even and long-run results
The implied probability of -188 is 65.28%, and that number is also the break-even win rate: win more often than 65.28% 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% | -23.4% |
| 55% | -15.7% |
| 60% | -8.1% |
| 65% | -0.4% |
With an implied probability of 65.28%, -188 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 -188
If both sides of a two-way market were priced at -188, the implied probabilities would add up to 30.56% above 100%. That excess is the overround, or vig; as a share of stakes it is a 23.40% 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.
-188 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission -188 is worth 1.521 decimal (-192 American); at 5% it drops to 1.505 (-198). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 1.521 | -192 | 65.73% |
| 5% | 1.505 | -198 | 66.43% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does -188 mean in betting?
-188 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At -188 the implied probability is 65.28% and a 100 stake returns 153.19.
What is -188 in decimal odds?
-188 converts to 1.532 in decimal odds (usually shown as 1.53). Decimal odds are the total return per unit staked, so multiply your stake by 1.532 to get the return.
What is -188 as a fraction?
-188 is 25/47 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 -188?
A 100 stake at -188 wins 53.19 in profit and returns 153.19 including the stake. To win exactly 100 you would stake 188.00.
What win rate do I need at -188?
The break-even win rate equals the implied probability, 65.28%. Winning more often than that at this price is profitable over the long run; winning less often loses money.