+217 Odds Explained
- Decimal
- 3.17
- American
- +217
- Fractional
- 217/100
- Implied probability
- 31.55%
- Polymarket
- 32¢
- $100 wins
- 217.00
- American
- +217
- Fractional
- 217/100
- Implied probability
- 31.55%
- Polymarket
- 32¢
- Profit
- 217.00
- Total return
- 317.00
3.170 decimal, +217 American, 31.55% implied probability
+217 is an American price:
the plus sign marks an underdog, and the number is the profit on a 100 stake
. Every other format describes the same chance: 3.17 decimal, 217/100 fractional, 31.55% implied probability, 32¢ on Polymarket.
What +217 pays
A 100 stake at +217 returns 317.00 in total: your 100 back plus 217.00 profit. To win exactly 100 you would stake 46.08. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 21.70 | 31.70 |
| 25 | 54.25 | 79.25 |
| 50 | 108.50 | 158.50 |
| 100 | 217.00 | 317.00 |
| 500 | 1,085.00 | 1,585.00 |
| 1,000 | 2,170.00 | 3,170.00 |
Break-even and long-run results
The implied probability of +217 is 31.55%, and that number is also the break-even win rate: win more often than 31.55% 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 |
|---|---|
| 32% | 1.4% |
| 50% | 58.5% |
| 55% | 74.4% |
| 60% | 90.2% |
| 65% | 106.1% |
At 31.55% implied, +217 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 217.00 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 +217
If both sides of a two-way market were priced at +217, the implied probabilities would add up to -36.91% above 100%. That excess is the overround, or vig; as a share of stakes it is a -58.50% 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.
+217 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +217 is worth 3.127 decimal (+213 American); at 5% it drops to 3.062 (+206). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 3.127 | +213 | 31.98% |
| 5% | 3.062 | +206 | 32.66% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +217 mean in betting?
+217 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +217 the implied probability is 31.55% and a 100 stake returns 317.00.
What is +217 in decimal odds?
+217 converts to 3.170 in decimal odds (usually shown as 3.17). Decimal odds are the total return per unit staked, so multiply your stake by 3.170 to get the return.
What is +217 as a fraction?
+217 is 217/100 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 +217?
A 100 stake at +217 wins 217.00 in profit and returns 317.00 including the stake. To win exactly 100 you would stake 46.08.
What win rate do I need at +217?
The break-even win rate equals the implied probability, 31.55%. Winning more often than that at this price is profitable over the long run; winning less often loses money.