+680 Odds Explained
- Decimal
- 7.80
- American
- +680
- Fractional
- 34/5
- Implied probability
- 12.82%
- Polymarket
- 13¢
- $100 wins
- 680.00
- American
- +680
- Fractional
- 34/5
- Implied probability
- 12.82%
- Polymarket
- 13¢
- Profit
- 680.00
- Total return
- 780.00
7.800 decimal, +680 American, 12.82% implied probability
American odds of +680 mean
a 100 stake wins 680
. In decimal notation that is 7.80, in fractional notation 34/5, and the implied probability is 12.82%. On a prediction market the same price is a 13¢ share.
What +680 pays
A 100 stake at +680 returns 780.00 in total: your 100 back plus 680.00 profit. To win exactly 100 you would stake 14.71. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 68.00 | 78.00 |
| 25 | 170.00 | 195.00 |
| 50 | 340.00 | 390.00 |
| 100 | 680.00 | 780.00 |
| 500 | 3,400.00 | 3,900.00 |
| 1,000 | 6,800.00 | 7,800.00 |
Break-even and long-run results
The implied probability of +680 is 12.82%, and that number is also the break-even win rate: win more often than 12.82% 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% | 1.4% |
| 50% | 290.0% |
| 55% | 329.0% |
| 60% | 368.0% |
| 65% | 407.0% |
With an implied chance of 12.82%, a bet at +680 is expected to lose most of the time and to pay 680.00 on 100 when it does not. Outright markets, correct scores and big upsets are where these prices appear, and they are the prices bookmakers shade the hardest.
The vig at +680
If both sides of a two-way market were priced at +680, the implied probabilities would add up to -74.36% above 100%. That excess is the overround, or vig; as a share of stakes it is a -290.00% 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.
+680 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +680 is worth 7.664 decimal (+666 American); at 5% it drops to 7.460 (+646). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 7.664 | +666 | 13.05% |
| 5% | 7.460 | +646 | 13.40% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +680 mean in betting?
+680 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +680 the implied probability is 12.82% and a 100 stake returns 780.00.
What is +680 in decimal odds?
+680 converts to 7.800 in decimal odds (usually shown as 7.80). Decimal odds are the total return per unit staked, so multiply your stake by 7.800 to get the return.
What is +680 as a fraction?
+680 is 34/5 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 +680?
A 100 stake at +680 wins 680.00 in profit and returns 780.00 including the stake. To win exactly 100 you would stake 14.71.
What win rate do I need at +680?
The break-even win rate equals the implied probability, 12.82%. Winning more often than that at this price is profitable over the long run; winning less often loses money.