11/10 Fractional Odds Explained
- Decimal
- 2.10
- American
- +110
- Fractional
- 11/10
- Implied probability
- 47.62%
- Polymarket
- 48¢
- $100 wins
- 110.00
- American
- +110
- Fractional
- 11/10
- Implied probability
- 47.62%
- Polymarket
- 48¢
- Profit
- 110.00
- Total return
- 210.00
2.100 decimal, +110 American, 47.62% implied probability
11/10 is a traditional bookmaker price. Read it as "win the top number for every bottom number staked". That is the same as 2.10 decimal odds and +110 American odds, with an implied probability of 47.62%.
What 11/10 pays
Profit is stake multiplied by the fraction; add the stake back for the total return. A 100 stake wins 110.00 and returns 210.00.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 11.00 | 21.00 |
| 25 | 27.50 | 52.50 |
| 50 | 55.00 | 105.00 |
| 100 | 110.00 | 210.00 |
| 500 | 550.00 | 1,050.00 |
| 1,000 | 1,100.00 | 2,100.00 |
Break-even and long-run results
The implied probability of 11/10 is bottom divided by top-plus-bottom, which is 47.62%. Win more often than that and you profit over time.
| Win rate | Return on stake |
|---|---|
| 48% | 0.8% |
| 50% | 5.0% |
| 55% | 15.5% |
| 60% | 26.0% |
| 65% | 36.5% |
11/10 is close to evens with an implied probability of 47.62%. Around evens the fractional ladder is fine-grained (10/11, 20/21, evens, 21/20, 11/10), which is where two-way markets like spreads and totals are usually priced.
Converting 11/10 by hand
Divide the top of the fraction by the bottom and add one for the decimal price, 2.10. For the implied probability, divide the bottom by the sum of top and bottom: 47.62%. American odds follow from the decimal price: odds-against, so (2.10 − 1) × 100 gives +110. The same chance on a prediction market is a 48¢ share.
The vig at 11/10
With both sides of a two-way market at 11/10, implied probabilities would sum to -4.76% above 100%: a -5.00% margin on stakes. The fair price would be 2.00 decimal each side. Try other markets in the devig calculator.
11/10 on a betting exchange
On an exchange 11/10 is worth 2.078 decimal after 2% commission and 2.045 after 5%. Compare with the bookmaker before choosing where to bet.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 2.078 | +108 | 48.12% |
| 5% | 2.045 | +105 | 48.90% |
Neighbouring rungs on the ladder
Fractional prices move in fixed rungs rather than smooth steps, so a bookmaker who wants to shorten 11/10 slightly has to jump to the next rung down, and the size of that jump depends on where you are on the ladder. The nearby prices listed below are the rungs on either side of 11/10; each link opens the same set of facts for that price, which is the quickest way to see how much a one-rung move changes the implied probability and the payout.
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does 11/10 mean in betting?
Fractional odds of 11/10 pay the top number in profit for every bottom number staked. A 100 stake wins 110.00 and returns 210.00. The implied probability is 47.62%.
What is 11/10 in decimal odds?
11/10 is 2.10 in decimal odds: divide the top by the bottom and add 1.
What is 11/10 in American odds?
11/10 converts to +110 in American odds.
Is 11/10 a good price?
A price is good only relative to the true chance. 11/10 implies 47.62%; if you believe the outcome is more likely than that, the price has value. Compare it with a devigged market to check.
Why do bookmakers use a ladder of fractions?
Tradition and readability: prices such as 6/4, 100/30 and 11/10 are quoted instead of their reduced forms because they are what racecourse bookmakers have always used. Decimal odds show the same prices with finer steps.