+4150 Odds Explained
- Decimal
- 42.50
- American
- +4,150
- Fractional
- 83/2
- Implied probability
- 2.35%
- Polymarket
- 2¢
- $100 wins
- 4,150.00
- American
- +4,150
- Fractional
- 83/2
- Implied probability
- 2.35%
- Polymarket
- 2¢
- Profit
- 4,150.00
- Total return
- 4,250.00
42.500 decimal, +4,150 American, 2.35% implied probability
The price +4150 converts to 42.50 decimal odds and 83/2 fractional odds. Read as a probability it says the bookmaker prices this outcome at 2.35%, 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 2¢.
What +4150 pays
A 100 stake at +4150 returns 4,250.00 in total: your 100 back plus 4,150.00 profit. To win exactly 100 you would stake 2.41. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 415.00 | 425.00 |
| 25 | 1,037.50 | 1,062.50 |
| 50 | 2,075.00 | 2,125.00 |
| 100 | 4,150.00 | 4,250.00 |
| 500 | 20,750.00 | 21,250.00 |
| 1,000 | 41,500.00 | 42,500.00 |
Break-even and long-run results
The implied probability of +4150 is 2.35%, and that number is also the break-even win rate: win more often than 2.35% 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.
| Win rate | Return on stake |
|---|---|
| 2% | -15.0% |
| 50% | 2,025.0% |
| 55% | 2,237.5% |
| 60% | 2,450.0% |
| 65% | 2,662.5% |
With an implied chance of 2.35%, a bet at +4150 is expected to lose most of the time and to pay 4,150.00 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 +4150
If both sides of a two-way market were priced at +4150, the implied probabilities would add up to -95.29% above 100%. That excess is the overround, or vig; as a share of stakes it is a -2,025.00% 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.
+4150 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +4150 is worth 41.670 decimal (+4,067 American); at 5% it drops to 40.425 (+3,942). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 41.670 | +4,067 | 2.40% |
| 5% | 40.425 | +3,942 | 2.47% |
Same price in other formats
Nearby prices
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Frequently asked questions
What does +4150 mean in betting?
+4150 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +4150 the implied probability is 2.35% and a 100 stake returns 4,250.00.
What is +4150 in decimal odds?
+4150 converts to 42.500 in decimal odds (usually shown as 42.50). Decimal odds are the total return per unit staked, so multiply your stake by 42.500 to get the return.
What is +4150 as a fraction?
+4150 is 83/2 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 +4150?
A 100 stake at +4150 wins 4,150.00 in profit and returns 4,250.00 including the stake. To win exactly 100 you would stake 2.41.
What win rate do I need at +4150?
The break-even win rate equals the implied probability, 2.35%. Winning more often than that at this price is profitable over the long run; winning less often loses money.