+243 Odds Explained
- Decimal
- 3.43
- American
- +243
- Fractional
- 243/100
- Implied probability
- 29.15%
- Polymarket
- 29¢
- $100 wins
- 243.00
- American
- +243
- Fractional
- 243/100
- Implied probability
- 29.15%
- Polymarket
- 29¢
- Profit
- 243.00
- Total return
- 343.00
3.430 decimal, +243 American, 29.15% implied probability
The price +243 converts to 3.43 decimal odds and 243/100 fractional odds. Read as a probability it says the bookmaker prices this outcome at 29.15%, 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 29¢.
What +243 pays
A 100 stake at +243 returns 343.00 in total: your 100 back plus 243.00 profit. To win exactly 100 you would stake 41.15. The table covers the stakes people actually use.
| Stake | Profit | Total return |
|---|---|---|
| 10 | 24.30 | 34.30 |
| 25 | 60.75 | 85.75 |
| 50 | 121.50 | 171.50 |
| 100 | 243.00 | 343.00 |
| 500 | 1,215.00 | 1,715.00 |
| 1,000 | 2,430.00 | 3,430.00 |
Break-even and long-run results
The implied probability of +243 is 29.15%, and that number is also the break-even win rate: win more often than 29.15% 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 |
|---|---|
| 29% | -0.5% |
| 50% | 71.5% |
| 55% | 88.7% |
| 60% | 105.8% |
| 65% | 123.0% |
+243 is an underdog price: the bookmaker gives this outcome an implied chance of 29.15%, and the payout of 243.00 on 100 reflects it. Underdogs in this band are where public money and bookmaker margin often disagree, so it pays to compare prices across books before taking one.
The vig at +243
If both sides of a two-way market were priced at +243, the implied probabilities would add up to -41.69% above 100%. That excess is the overround, or vig; as a share of stakes it is a -71.50% 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.
+243 on a betting exchange
Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +243 is worth 3.381 decimal (+238 American); at 5% it drops to 3.309 (+231). Those are the bookmaker prices you would need to beat.
| Commission | Effective decimal | Effective American | Break-even |
|---|---|---|---|
| 2% | 3.381 | +238 | 29.57% |
| 5% | 3.309 | +231 | 30.23% |
Same price in other formats
Nearby prices
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Frequently asked questions
What does +243 mean in betting?
+243 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +243 the implied probability is 29.15% and a 100 stake returns 343.00.
What is +243 in decimal odds?
+243 converts to 3.430 in decimal odds (usually shown as 3.43). Decimal odds are the total return per unit staked, so multiply your stake by 3.430 to get the return.
What is +243 as a fraction?
+243 is 243/100 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 +243?
A 100 stake at +243 wins 243.00 in profit and returns 343.00 including the stake. To win exactly 100 you would stake 41.15.
What win rate do I need at +243?
The break-even win rate equals the implied probability, 29.15%. Winning more often than that at this price is profitable over the long run; winning less often loses money.