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27¢ Polymarket Price Explained

Decimal
3.70
American
+270
Fractional
73/27
Implied probability
27.00%
Polymarket
27¢
$100 wins
270.37
Inputs
Results
Decimal odds3.704
American
+270
Fractional
73/27
Implied probability
27.00%
Polymarket
27¢
Profit
270.37
Total return
370.37

3.704 decimal, +270 American, 27.00% implied probability

A Polymarket share priced at 27¢ pays $1.00 if the market resolves in its favour, so the price is the market's probability: 27.00%. In sportsbook terms that is 3.70 decimal odds or +270 American odds. The NO side of the same market sits near 73.00%.

What a 27¢ 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 370.37, a profit of 270.37.

Payout by stake
StakeProfitTotal return
1027.0437.04
2567.5992.59
50135.19185.19
100270.37370.37
5001,351.851,851.85
1,0002,703.703,703.70

Break-even and long-run results

Because the price is a probability, the break-even rate is the price itself: 27.00%. If your own estimate of the outcome is higher than 27.00%, the share is value; if it is lower, it is not.

Return on stake by long-run win rate
Win rateReturn on stake
27%0.0%
50%85.2%
55%103.7%
60%122.2%
65%140.7%

27¢ is an underdog share with an implied chance of 27.00% and a payout of 270.37 per 100 dollars staked. Prediction markets often price underdogs closer to fair than sportsbooks do, so this is a good range for cross-market comparison.

Converting 27¢ by hand

Treat the price as a probability: 27¢ is 27.00%. Decimal odds are one divided by that, 3.704, which bookmakers would display as 3.70. American odds follow from the decimal price: an underdog, so (3.704 − 1) × 100 gives +270. In fractional terms the closest traditional price is 73/27.

YES, NO and the spread

On a liquid market the YES and NO prices add up to about $1.00; at 27¢ the NO side should be near 73.00%. 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 3.650 decimal, at 5% 3.569. A sportsbook offering better than the effective price beats the market.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%3.650+26527.40%
5%3.569+25728.02%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • 22¢ · 4.55 · 22.0%
  • 25¢ · 4.00 · 25.0%
  • 26¢ · 3.85 · 26.0%
  • 28¢ · 3.57 · 28.0%
  • 29¢ · 3.45 · 29.0%
  • 32¢ · 3.13 · 32.0%

Frequently asked questions

What does a 27¢ price mean on Polymarket?

A share costs 27¢ and pays $1.00 if the market resolves in its favour, so the price is the market's probability: 27.00%. In sportsbook terms it is 3.70 decimal or +270 American odds.

How do I convert 27¢ to decimal odds?

Divide 1 by the price in dollars: 1 / 27¢ gives 3.704, shown as 3.70.

What is the NO price when YES is 27¢?

On a liquid market the NO side is about $1.00 minus the YES price, so roughly 73.00% in cents. The difference from exactly $1.00 in total is the spread.

Is 27¢ better than the sportsbook price?

Compare after fees. At 27¢ the share is worth 3.70 decimal before fees and 3.650 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 27¢?

100 dollars buys 100 / 27¢ shares, which pay 370.37 in total on a win: a profit of 270.37.