Risk of Ruin Calculator
Estimate the probability of losing a given % of your account using a Monte Carlo of your strategy edge
// Expectancy
(Win % × R) − Loss %. A positive expectancy is required for the strategy to be profitable long-term.
// Closed-form Estimate
Approximation: ((1 − edge) ÷ (1 + edge))^U where U = ruin% ÷ risk%.
// Monte Carlo
Runs 1,000 simulated equity curves over your trade count and reports how many hit the ruin threshold.
// How to Use Online Risk of Ruin Calculator
- Enter or paste your source data into the tool input.
- Click the primary action button to run Online Risk of Ruin Calculator.
- Review the output, then copy or export your result.
// FAQ: What does Online Risk of Ruin Calculator do?
Online Risk of Ruin Calculator helps you estimate the probability of losing a given % of your account using a monte carlo of your strategy edge in your browser with instant results.
// FAQ: How do I use Online Risk of Ruin Calculator?
Paste or type your input, choose the needed action, and copy the generated output when the result is ready.
// FAQ: Is my data safe when using Online Risk of Ruin Calculator?
Yes. Processing runs in your browser session for this page, so your content is not uploaded by this tool workflow.
// FAQ: Can I use Online Risk of Ruin Calculator on mobile devices?
Yes. Online Risk of Ruin Calculator works on modern mobile browsers, so you can run it from phones and tablets.