Goalorithm
Analysis tools
Free calculators for prices, probabilities, and edge. Standard formulas only — enter your own inputs. Not gambling advice.
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Implied Probability Calculator
Convert decimal or American prices into implied probability.
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Edge Calculator
Compare your probability estimate to implied probability from a listed price.
Why Use These Tools?
Understanding implied probability and edge helps you reason about markets analytically. These calculators convert prices to implied % and compare them to your estimates — for research only.
Note: These tools use standard public formulas. Your results depend on the accuracy of your own probability estimates—Goalorithm's proprietary model calculations are not included in these public tools.