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+327 Odds Explained

Decimal
4.27
American
+327
Fractional
327/100
Implied probability
23.42%
Polymarket
23¢
$100 wins
327.00
Inputs
Results
Decimal odds4.270
American
+327
Fractional
327/100
Implied probability
23.42%
Polymarket
23¢
Profit
327.00
Total return
427.00

4.270 decimal, +327 American, 23.42% implied probability

American odds of +327 mean

a 100 stake wins 327

. In decimal notation that is 4.27, in fractional notation 327/100, and the implied probability is 23.42%. On a prediction market the same price is a 23¢ share.

What +327 pays

A 100 stake at +327 returns 427.00 in total: your 100 back plus 327.00 profit. To win exactly 100 you would stake 30.58. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1032.7042.70
2581.75106.75
50163.50213.50
100327.00427.00
5001,635.002,135.00
1,0003,270.004,270.00

Break-even and long-run results

The implied probability of +327 is 23.42%, and that number is also the break-even win rate: win more often than 23.42% 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.

Return on stake by long-run win rate
Win rateReturn on stake
23%-1.8%
50%113.5%
55%134.9%
60%156.2%
65%177.5%

With an implied chance of 23.42%, a bet at +327 is expected to lose most of the time and to pay 327.00 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 +327

If both sides of a two-way market were priced at +327, the implied probabilities would add up to -53.16% above 100%. That excess is the overround, or vig; as a share of stakes it is a -113.50% 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.

+327 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +327 is worth 4.205 decimal (+320 American); at 5% it drops to 4.107 (+311). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%4.205+32023.78%
5%4.107+31124.35%

Same price in other formats

Nearby prices

Nearby prices

  • +317 · 4.17 · 24.0%
  • +322 · 4.22 · 23.7%
  • +325 · 4.25 · 23.5%
  • +326 · 4.26 · 23.5%
  • +328 · 4.28 · 23.4%
  • +329 · 4.29 · 23.3%
  • +332 · 4.32 · 23.1%
  • +337 · 4.37 · 22.9%

Frequently asked questions

What does +327 mean in betting?

+327 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +327 the implied probability is 23.42% and a 100 stake returns 427.00.

What is +327 in decimal odds?

+327 converts to 4.270 in decimal odds (usually shown as 4.27). Decimal odds are the total return per unit staked, so multiply your stake by 4.270 to get the return.

What is +327 as a fraction?

+327 is 327/100 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 +327?

A 100 stake at +327 wins 327.00 in profit and returns 427.00 including the stake. To win exactly 100 you would stake 30.58.

What win rate do I need at +327?

The break-even win rate equals the implied probability, 23.42%. Winning more often than that at this price is profitable over the long run; winning less often loses money.