Prediction Markets Calculator
Enter the contract price to be instantly given the corresponding American betting odds and implied probability. You can also enter the American odds and get the corresponding price and implied probability.
Enter value between 0 and 100
Negative for favorites, positive for underdogs
Enter value between 0 and 100
How it works:
- Enter any single value and the others will be calculated
- Market price of 65% = -186 odds = 65% implied probability
- Negative odds means the favorite (bet more to win $100)
- Positive odds means the underdog (win more per $100 bet)