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+4000 Odds Explained

Decimal
41.00
American
+4,000
Fractional
40/1
Implied probability
2.44%
Polymarket
2¢
$100 wins
4,000.00
Inputs
Results
Decimal odds41.000
American
+4,000
Fractional
40/1
Implied probability
2.44%
Polymarket
2¢
Profit
4,000.00
Total return
4,100.00

41.000 decimal, +4,000 American, 2.44% implied probability

+4000 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: 41.00 decimal, 40/1 fractional, 2.44% implied probability, 2¢ on Polymarket.

What +4000 pays

A 100 stake at +4000 returns 4,100.00 in total: your 100 back plus 4,000.00 profit. To win exactly 100 you would stake 2.50. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
10400.00410.00
251,000.001,025.00
502,000.002,050.00
1004,000.004,100.00
50020,000.0020,500.00
1,00040,000.0041,000.00

Break-even and long-run results

The implied probability of +4000 is 2.44%, and that number is also the break-even win rate: win more often than 2.44% 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
2%-18.0%
50%1,950.0%
55%2,155.0%
60%2,360.0%
65%2,565.0%

With an implied chance of 2.44%, a bet at +4000 is expected to lose most of the time and to pay 4,000.00 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 +4000

If both sides of a two-way market were priced at +4000, the implied probabilities would add up to -95.12% above 100%. That excess is the overround, or vig; as a share of stakes it is a -1,950.00% 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.

+4000 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +4000 is worth 40.200 decimal (+3,920 American); at 5% it drops to 39.000 (+3,800). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%40.200+3,9202.49%
5%39.000+3,8002.56%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

Frequently asked questions

What does +4000 mean in betting?

+4000 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +4000 the implied probability is 2.44% and a 100 stake returns 4,100.00.

What is +4000 in decimal odds?

+4000 converts to 41.000 in decimal odds (usually shown as 41.00). Decimal odds are the total return per unit staked, so multiply your stake by 41.000 to get the return.

What is +4000 as a fraction?

+4000 is 40/1 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 +4000?

A 100 stake at +4000 wins 4,000.00 in profit and returns 4,100.00 including the stake. To win exactly 100 you would stake 2.50.

What win rate do I need at +4000?

The break-even win rate equals the implied probability, 2.44%. Winning more often than that at this price is profitable over the long run; winning less often loses money.