9¢ Polymarket Price Explained
- Decimal
- 11.11
- American
- +1,011
- Fractional
- 91/9
- Implied probability
- 9.00%
- Polymarket
- 9¢
- $100 wins
- 1,011.11
- American
- +1,011
- Fractional
- 91/9
- Implied probability
- 9.00%
- Polymarket
- 9¢
- Profit
- 1,011.11
- Total return
- 1,111.11
11.111 decimal, +1,011 American, 9.00% implied probability
Buying at 9¢ means risking 9¢ to win the rest of a dollar. That is a payout ratio of 11.11 (decimal odds) or +1,011 in American notation, and it implies an implied probability of 9.00% probability before fees.
What a 9¢ share pays
Each share pays $1.00 on a win, so the profit per share is a dollar minus the price. On 100 dollars' worth of shares the return is 1,111.11, a profit of 1,011.11.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 101.11 | 111.11 |
| 25 | 252.78 | 277.78 |
| 50 | 505.56 | 555.56 |
| 100 | 1,011.11 | 1,111.11 |
| 500 | 5,055.56 | 5,555.56 |
| 1,000 | 10,111.11 | 11,111.11 |
Break-even and long-run results
Because the price is a probability, the break-even rate is the price itself: 9.00%. If your own estimate of the outcome is higher than 9.00%, the share is value; if it is lower, it is not.
| Win rate | Return on stake |
|---|---|
| 9% | -0.0% |
| 50% | 455.6% |
| 55% | 511.1% |
| 60% | 566.7% |
| 65% | 622.2% |
A 9¢ share is a longshot: 9.00% by the market's estimate, paying 1,011.11 per 100. Thin order books at low prices mean the quoted price and the price you actually get can differ by several cents.
Converting 9¢ by hand
Treat the price as a probability: 9¢ is 9.00%. Decimal odds are one divided by that, 11.111, which bookmakers would display as 11.11. American odds follow from the decimal price: an underdog, so (11.111 − 1) × 100 gives +1,011. In fractional terms the closest traditional price is 91/9.
YES, NO and the spread
On a liquid market the YES and NO prices add up to about $1.00; at 9¢ the NO side should be near 91.00%. Anything above $1.00 in total is the spread, the prediction-market equivalent of a bookmaker's vig. Enter both sides in the Polymarket converter to measure it.
Fees and comparison with sportsbooks
Fees, where a market charges them, come off profit and work exactly like exchange commission. At 2% the share is worth 10.909 decimal, at 5% 10.606. A sportsbook offering better than the effective price beats the market.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 10.909 | +991 | 9.17% |
| 5% | 10.606 | +961 | 9.43% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does a 9¢ price mean on Polymarket?
A share costs 9¢ and pays $1.00 if the market resolves in its favour, so the price is the market's probability: 9.00%. In sportsbook terms it is 11.11 decimal or +1,011 American odds.
How do I convert 9¢ to decimal odds?
Divide 1 by the price in dollars: 1 / 9¢ gives 11.111, shown as 11.11.
What is the NO price when YES is 9¢?
On a liquid market the NO side is about $1.00 minus the YES price, so roughly 91.00% in cents. The difference from exactly $1.00 in total is the spread.
Is 9¢ better than the sportsbook price?
Compare after fees. At 9¢ the share is worth 11.11 decimal before fees and 10.909 at a 2% fee. If a sportsbook offers more than that on the same outcome, the sportsbook is the better price.
What do I win per 100 dollars at 9¢?
100 dollars buys 100 / 9¢ shares, which pay 1,111.11 in total on a win: a profit of 1,011.11.