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2.20 Decimal Odds Explained

Decimal
2.20
American
+120
Fractional
6/5
Implied probability
45.45%
Polymarket
45¢
$100 wins
120.00
Inputs
Results
Decimal odds2.200
American
+120
Fractional
6/5
Implied probability
45.45%
Polymarket
45¢
Profit
120.00
Total return
220.00

2.200 decimal, +120 American, 45.45% implied probability

Decimal odds of 2.20 return 2.20 for every 1.00 staked, stake included, so the profit on a unit is 2.20 minus one. The same price is +120 in American notation and 6/5 as a fraction, and it implies an implied chance of 45.45% of winning.

What 2.20 pays

Multiply the stake by 2.20 to get the total return. A 100 stake returns 220.00, of which 120.00 is profit. To win 100 in profit you would need to stake 83.33.

Payout by stake
StakeProfitTotal return
1012.0022.00
2530.0055.00
5060.00110.00
100120.00220.00
500600.001,100.00
1,0001,200.002,200.00

Break-even and long-run results

One divided by 2.20 is 45.45%: the implied probability, and the win rate at which betting this price neither makes nor loses money. The rows below show the return on stake at several win rates.

Return on stake by long-run win rate
Win rateReturn on stake
45%-1.0%
50%10.0%
55%21.0%
60%32.0%
65%43.0%

Prices between about 1.80 and 2.20 are the coin-flip zone, and 2.20 implies 45.45%. Spreads, totals and evenly matched moneylines live here. The standard bookmaker line is 1.91 on each side, which adds up to 104.8% and gives the book its 4.5% margin.

Converting 2.20 by hand

Every other format follows from the decimal price in one step. Implied probability is one divided by 2.20, which gives 45.45%. American odds depend on which side of 2.00 the price sits: at or above 2.00, multiply (2.20 − 1) by 100 to get +120. The fraction is 2.20 − 1 written as a ratio and snapped to the nearest traditional price, 6/5. A prediction market simply quotes the probability in cents: 45¢.

The vig at 2.20

If both sides of a two-way market were 2.20, their implied probabilities would sum to -9.09% above 100%. That is the overround; as a share of stakes it is a -10.00% margin. The fair price with the margin removed is 2.00 on each side. The devig calculator does this for any market and any method.

2.20 on a betting exchange

Exchange commission comes off winnings, so 2.20 at 2% commission is really 2.176, and at 5% it is 2.140. The break-even win rate rises accordingly.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%2.176+11845.96%
5%2.140+11446.73%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • 1.99 · 1.99 · 50.3%
  • 2.10 · 2.10 · 47.6%
  • 2.15 · 2.15 · 46.5%
  • 2.25 · 2.25 · 44.4%
  • 2.30 · 2.30 · 43.5%
  • 2.45 · 2.45 · 40.8%

Frequently asked questions

What does 2.20 decimal odds mean?

Decimal odds of 2.20 return 2.20 for every 1.00 staked, including the stake, so the profit is 2.20 minus 1. The implied probability is 45.45%.

What is 2.20 in American odds?

2.20 decimal is +120 in American odds. Prices of 2.00 and above convert with (decimal − 1) × 100; prices below 2.00 with −100 / (decimal − 1).

What is 2.20 as a fraction?

2.20 is 6/5 in fractional odds: subtract 1 from the decimal price and express the result as a fraction.

How much does 100 return at 2.20?

100 × 2.20 = 220.00 total return, of which 120.00 is profit.

What win rate breaks even at 2.20?

1 / 2.20 = 45.45%. Win more often than that and the price is profitable; the bookmaker's margin means both sides of a market usually sit a little under fair.