+620 Odds Explained
- Decimal
- 7.20
- American
- +620
- Fractional
- 31/5
- Implied probability
- 13.89%
- Polymarket
- 14¢
- $100 wins
- 620.00
- American
- +620
- Fractional
- 31/5
- Implied probability
- 13.89%
- Polymarket
- 14¢
- Profit
- 620.00
- Total return
- 720.00
7.200 decimal, +620 American, 13.89% implied probability
The price +620 converts to 7.20 decimal odds and 31/5 fractional odds. Read as a probability it says the bookmaker prices this outcome at 13.89%, 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 14¢.
What +620 pays
A 100 stake at +620 returns 720.00 in total: your 100 back plus 620.00 profit. To win exactly 100 you would stake 16.13. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 62.00 | 72.00 |
| 25 | 155.00 | 180.00 |
| 50 | 310.00 | 360.00 |
| 100 | 620.00 | 720.00 |
| 500 | 3,100.00 | 3,600.00 |
| 1,000 | 6,200.00 | 7,200.00 |
Break-even and long-run results
The implied probability of +620 is 13.89%, and that number is also the break-even win rate: win more often than 13.89% 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 |
|---|---|
| 14% | 0.8% |
| 50% | 260.0% |
| 55% | 296.0% |
| 60% | 332.0% |
| 65% | 368.0% |
With an implied chance of 13.89%, a bet at +620 is expected to lose most of the time and to pay 620.00 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 +620
If both sides of a two-way market were priced at +620, the implied probabilities would add up to -72.22% above 100%. That excess is the overround, or vig; as a share of stakes it is a -260.00% 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.
+620 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +620 is worth 7.076 decimal (+608 American); at 5% it drops to 6.890 (+589). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 7.076 | +608 | 14.13% |
| 5% | 6.890 | +589 | 14.51% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +620 mean in betting?
+620 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +620 the implied probability is 13.89% and a 100 stake returns 720.00.
What is +620 in decimal odds?
+620 converts to 7.200 in decimal odds (usually shown as 7.20). Decimal odds are the total return per unit staked, so multiply your stake by 7.200 to get the return.
What is +620 as a fraction?
+620 is 31/5 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 +620?
A 100 stake at +620 wins 620.00 in profit and returns 720.00 including the stake. To win exactly 100 you would stake 16.13.
What win rate do I need at +620?
The break-even win rate equals the implied probability, 13.89%. Winning more often than that at this price is profitable over the long run; winning less often loses money.