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+215 Odds Explained

Decimal
3.15
American
+215
Fractional
43/20
Implied probability
31.75%
Polymarket
32¢
$100 wins
215.00
Inputs
Results
Decimal odds3.150
American
+215
Fractional
43/20
Implied probability
31.75%
Polymarket
32¢
Profit
215.00
Total return
315.00

3.150 decimal, +215 American, 31.75% implied probability

The price +215 converts to 3.15 decimal odds and 43/20 fractional odds. Read as a probability it says the bookmaker prices this outcome at 31.75%, which is the share of the time you would need to win just to break even. A prediction market would quote the same chance as 32¢.

What +215 pays

A 100 stake at +215 returns 315.00 in total: your 100 back plus 215.00 profit. To win exactly 100 you would stake 46.51. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1021.5031.50
2553.7578.75
50107.50157.50
100215.00315.00
5001,075.001,575.00
1,0002,150.003,150.00

Break-even and long-run results

The implied probability of +215 is 31.75%, and that number is also the break-even win rate: win more often than 31.75% 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
32%0.8%
50%57.5%
55%73.3%
60%89.0%
65%104.8%

At 31.75% implied, +215 is a moderate underdog. A bet here wins less than half the time by the bookmaker's reckoning, but each win pays 215.00 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 +215

If both sides of a two-way market were priced at +215, the implied probabilities would add up to -36.51% above 100%. That excess is the overround, or vig; as a share of stakes it is a -57.50% 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.

+215 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +215 is worth 3.107 decimal (+211 American); at 5% it drops to 3.043 (+204). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%3.107+21132.19%
5%3.043+20432.87%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +205 · 3.05 · 32.8%
  • +210 · 3.10 · 32.3%
  • +213 · 3.13 · 31.9%
  • +214 · 3.14 · 31.8%
  • +216 · 3.16 · 31.6%
  • +217 · 3.17 · 31.5%
  • +220 · 3.20 · 31.3%
  • +225 · 3.25 · 30.8%

Frequently asked questions

What does +215 mean in betting?

+215 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +215 the implied probability is 31.75% and a 100 stake returns 315.00.

What is +215 in decimal odds?

+215 converts to 3.150 in decimal odds (usually shown as 3.15). Decimal odds are the total return per unit staked, so multiply your stake by 3.150 to get the return.

What is +215 as a fraction?

+215 is 43/20 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 +215?

A 100 stake at +215 wins 215.00 in profit and returns 315.00 including the stake. To win exactly 100 you would stake 46.51.

What win rate do I need at +215?

The break-even win rate equals the implied probability, 31.75%. Winning more often than that at this price is profitable over the long run; winning less often loses money.