+685 Odds Explained
- Decimal
- 7.85
- American
- +685
- Fractional
- 137/20
- Implied probability
- 12.74%
- Polymarket
- 13¢
- $100 wins
- 685.00
- American
- +685
- Fractional
- 137/20
- Implied probability
- 12.74%
- Polymarket
- 13¢
- Profit
- 685.00
- Total return
- 785.00
7.850 decimal, +685 American, 12.74% implied probability
The price +685 converts to 7.85 decimal odds and 137/20 fractional odds. Read as a probability it says the bookmaker prices this outcome at 12.74%, 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 13¢.
What +685 pays
A 100 stake at +685 returns 785.00 in total: your 100 back plus 685.00 profit. To win exactly 100 you would stake 14.60. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 68.50 | 78.50 |
| 25 | 171.25 | 196.25 |
| 50 | 342.50 | 392.50 |
| 100 | 685.00 | 785.00 |
| 500 | 3,425.00 | 3,925.00 |
| 1,000 | 6,850.00 | 7,850.00 |
Break-even and long-run results
The implied probability of +685 is 12.74%, and that number is also the break-even win rate: win more often than 12.74% 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 |
|---|---|
| 13% | 2.0% |
| 50% | 292.5% |
| 55% | 331.8% |
| 60% | 371.0% |
| 65% | 410.3% |
+685 is a longshot. The bookmaker prices the outcome at 12.74%, and the payout of 685.00 per 100 staked is the compensation for how rarely it lands. Longshots carry more margin than any other part of the market, which is why devigging methods disagree most at prices like this one.
The vig at +685
If both sides of a two-way market were priced at +685, the implied probabilities would add up to -74.52% above 100%. That excess is the overround, or vig; as a share of stakes it is a -292.50% 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.
+685 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +685 is worth 7.713 decimal (+671 American); at 5% it drops to 7.507 (+651). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 7.713 | +671 | 12.97% |
| 5% | 7.507 | +651 | 13.32% |
Same price in other formats
Nearby prices
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Frequently asked questions
What does +685 mean in betting?
+685 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +685 the implied probability is 12.74% and a 100 stake returns 785.00.
What is +685 in decimal odds?
+685 converts to 7.850 in decimal odds (usually shown as 7.85). Decimal odds are the total return per unit staked, so multiply your stake by 7.850 to get the return.
What is +685 as a fraction?
+685 is 137/20 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 +685?
A 100 stake at +685 wins 685.00 in profit and returns 785.00 including the stake. To win exactly 100 you would stake 14.60.
What win rate do I need at +685?
The break-even win rate equals the implied probability, 12.74%. Winning more often than that at this price is profitable over the long run; winning less often loses money.