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+412 Odds Explained

Decimal
5.12
American
+412
Fractional
103/25
Implied probability
19.53%
Polymarket
20¢
$100 wins
412.00
Inputs
Results
Decimal odds5.120
American
+412
Fractional
103/25
Implied probability
19.53%
Polymarket
20¢
Profit
412.00
Total return
512.00

5.120 decimal, +412 American, 19.53% implied probability

+412 is an American price:

the plus sign marks an underdog, and the number is the profit on a 100 stake

. Every other format describes the same chance: 5.12 decimal, 103/25 fractional, 19.53% implied probability, 20¢ on Polymarket.

What +412 pays

A 100 stake at +412 returns 512.00 in total: your 100 back plus 412.00 profit. To win exactly 100 you would stake 24.27. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1041.2051.20
25103.00128.00
50206.00256.00
100412.00512.00
5002,060.002,560.00
1,0004,120.005,120.00

Break-even and long-run results

The implied probability of +412 is 19.53%, and that number is also the break-even win rate: win more often than 19.53% 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
20%2.4%
50%156.0%
55%181.6%
60%207.2%
65%232.8%

+412 is a longshot. The bookmaker prices the outcome at 19.53%, and the payout of 412.00 per 100 staked is the compensation for how rarely it lands. Longshots carry more margin than any other part of the market, which is why devigging methods disagree most at prices like this one.

The vig at +412

If both sides of a two-way market were priced at +412, the implied probabilities would add up to -60.94% above 100%. That excess is the overround, or vig; as a share of stakes it is a -156.00% 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.

+412 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +412 is worth 5.038 decimal (+404 American); at 5% it drops to 4.914 (+391). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%5.038+40419.85%
5%4.914+39120.35%

Same price in other formats

Nearby prices

Nearby prices

  • +402 · 5.02 · 19.9%
  • +407 · 5.07 · 19.7%
  • +410 · 5.10 · 19.6%
  • +411 · 5.11 · 19.6%
  • +413 · 5.13 · 19.5%
  • +414 · 5.14 · 19.5%
  • +417 · 5.17 · 19.3%
  • +422 · 5.22 · 19.2%

Frequently asked questions

What does +412 mean in betting?

+412 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +412 the implied probability is 19.53% and a 100 stake returns 512.00.

What is +412 in decimal odds?

+412 converts to 5.120 in decimal odds (usually shown as 5.12). Decimal odds are the total return per unit staked, so multiply your stake by 5.120 to get the return.

What is +412 as a fraction?

+412 is 103/25 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 +412?

A 100 stake at +412 wins 412.00 in profit and returns 512.00 including the stake. To win exactly 100 you would stake 24.27.

What win rate do I need at +412?

The break-even win rate equals the implied probability, 19.53%. Winning more often than that at this price is profitable over the long run; winning less often loses money.