How to calculate Key percentage
Explanation and example
Key percentage is the sum of implied probabilities for every outcome in a market. Add 1 divided by each decimal price, then multiply by 100. Two-way uses two prices; three-way uses home, draw and away. For 1.90 and 1.90, the total is 105.26%.
Practical example
Key percentage is the sum of implied probabilities for every outcome in a market. Add 1 divided by each decimal price, then multiply by 100. Two-way uses two prices; three-way uses home, draw and away. For 1.90 and 1.90, the total is 105.26%.