-300 means you bet 300 to win 100. It marks the favorite. A 10 bet wins 3.33 and returns 13.33. The odds imply a 75% chance of winning.
How much -300 pays
| Stake | Profit | Total return |
|---|---|---|
| 10 | +3.33 | 13.33 |
| 20 | +6.67 | 26.67 |
| 25 | +8.33 | 33.33 |
| 50 | +16.67 | 66.67 |
| 100 | +33.33 | 133.33 |
| 250 | +83.33 | 333.33 |
Same math in the odds converter, with any stake you like.
What -300 says about your chances
-300 is a heavy favorite, winning about 3 times in 4 by the odds. It pays a third of your stake, which is why short favorites show up so often as parlay legs. Any price with a minus sign is a favorite; the bigger the number, the bigger the favorite. The break-even win rate for -300 is 75%.
-300 in a parlay
| Legs at -300 | Parlay odds | Chance all hit |
|---|---|---|
| 1 (straight bet) | -300 | 75% |
| 2 | -129 | 56.3% |
| 3 | +137 | 42.2% |
Every leg has to win, so the chances multiply. Open two -300 legs in the parlay calculator, or see how often parlays really hit.
How -300 bets actually did
FakeBet players' pre-game straight bets priced near -300 (about -326 to -277) won 40 of 56 (71.4%) in the last 90 days, across 37 games. The odds implied 75%.
Our players have fallen short of the price here, which is what the sportsbook margin predicts over time. Play-money bets on real odds, settled from official results.