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+448 Odds Explained

Decimal
5.48
American
+448
Fractional
112/25
Implied probability
18.25%
Polymarket
18¢
$100 wins
448.00
Inputs
Results
Decimal odds5.480
American
+448
Fractional
112/25
Implied probability
18.25%
Polymarket
18¢
Profit
448.00
Total return
548.00

5.480 decimal, +448 American, 18.25% implied probability

The price +448 converts to 5.48 decimal odds and 112/25 fractional odds. Read as a probability it says the bookmaker prices this outcome at 18.25%, 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 18¢.

What +448 pays

A 100 stake at +448 returns 548.00 in total: your 100 back plus 448.00 profit. To win exactly 100 you would stake 22.32. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1044.8054.80
25112.00137.00
50224.00274.00
100448.00548.00
5002,240.002,740.00
1,0004,480.005,480.00

Break-even and long-run results

The implied probability of +448 is 18.25%, and that number is also the break-even win rate: win more often than 18.25% 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
18%-1.4%
50%174.0%
55%201.4%
60%228.8%
65%256.2%

With an implied chance of 18.25%, a bet at +448 is expected to lose most of the time and to pay 448.00 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 +448

If both sides of a two-way market were priced at +448, the implied probabilities would add up to -63.50% above 100%. That excess is the overround, or vig; as a share of stakes it is a -174.00% 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.

+448 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +448 is worth 5.390 decimal (+439 American); at 5% it drops to 5.256 (+426). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%5.390+43918.55%
5%5.256+42619.03%

Same price in other formats

Nearby prices

Nearby prices

  • +438 · 5.38 · 18.6%
  • +443 · 5.43 · 18.4%
  • +446 · 5.46 · 18.3%
  • +447 · 5.47 · 18.3%
  • +449 · 5.49 · 18.2%
  • +450 · 5.50 · 18.2%
  • +453 · 5.53 · 18.1%
  • +458 · 5.58 · 17.9%

Frequently asked questions

What does +448 mean in betting?

+448 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +448 the implied probability is 18.25% and a 100 stake returns 548.00.

What is +448 in decimal odds?

+448 converts to 5.480 in decimal odds (usually shown as 5.48). Decimal odds are the total return per unit staked, so multiply your stake by 5.480 to get the return.

What is +448 as a fraction?

+448 is 112/25 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 +448?

A 100 stake at +448 wins 448.00 in profit and returns 548.00 including the stake. To win exactly 100 you would stake 22.32.

What win rate do I need at +448?

The break-even win rate equals the implied probability, 18.25%. Winning more often than that at this price is profitable over the long run; winning less often loses money.