+338 Odds Explained
- Decimal
- 4.38
- American
- +338
- Fractional
- 169/50
- Implied probability
- 22.83%
- Polymarket
- 23¢
- $100 wins
- 338.00
- American
- +338
- Fractional
- 169/50
- Implied probability
- 22.83%
- Polymarket
- 23¢
- Profit
- 338.00
- Total return
- 438.00
4.380 decimal, +338 American, 22.83% implied probability
+338 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: 4.38 decimal, 169/50 fractional, 22.83% implied probability, 23¢ on Polymarket.
What +338 pays
A 100 stake at +338 returns 438.00 in total: your 100 back plus 338.00 profit. To win exactly 100 you would stake 29.59. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 33.80 | 43.80 |
| 25 | 84.50 | 109.50 |
| 50 | 169.00 | 219.00 |
| 100 | 338.00 | 438.00 |
| 500 | 1,690.00 | 2,190.00 |
| 1,000 | 3,380.00 | 4,380.00 |
Break-even and long-run results
The implied probability of +338 is 22.83%, and that number is also the break-even win rate: win more often than 22.83% 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 |
|---|---|
| 23% | 0.7% |
| 50% | 119.0% |
| 55% | 140.9% |
| 60% | 162.8% |
| 65% | 184.7% |
With an implied chance of 22.83%, a bet at +338 is expected to lose most of the time and to pay 338.00 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 +338
If both sides of a two-way market were priced at +338, the implied probabilities would add up to -54.34% above 100%. That excess is the overround, or vig; as a share of stakes it is a -119.00% 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.
+338 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +338 is worth 4.312 decimal (+331 American); at 5% it drops to 4.211 (+321). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 4.312 | +331 | 23.19% |
| 5% | 4.211 | +321 | 23.75% |
Same price in other formats
Nearby prices
Nearby prices
Frequently asked questions
What does +338 mean in betting?
+338 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +338 the implied probability is 22.83% and a 100 stake returns 438.00.
What is +338 in decimal odds?
+338 converts to 4.380 in decimal odds (usually shown as 4.38). Decimal odds are the total return per unit staked, so multiply your stake by 4.380 to get the return.
What is +338 as a fraction?
+338 is 169/50 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 +338?
A 100 stake at +338 wins 338.00 in profit and returns 438.00 including the stake. To win exactly 100 you would stake 29.59.
What win rate do I need at +338?
The break-even win rate equals the implied probability, 22.83%. Winning more often than that at this price is profitable over the long run; winning less often loses money.