Quantitative tools · Free forever
Analyze. Compare.Decide.
Free quantitative tools, for investors who think in numbers.
AAPL+67.92%
NVDA+673.31%
See where a stock stands in its industry.
Box plots show how a stock’s key metric distributes against its industry peers. The box captures the middle 50% of companies—instantly answering whether the number is healthy, ordinary, or an outlier.
Compare stocksSee where the strategy breaks even.
Drag strike, premium, and implied volatility — watch the curve breathe in real time. Three foundational strategies, each one explained, sized, and visualized.
Read the conceptsCrunch the numbers without a spreadsheet.
From ROI to annuity factors, our calculators turn the formulas you keep re-deriving into one-line answers — fast enough to test ten what-ifs in the time a spreadsheet opens.
Browse calculatorsReturn on Investment (ROI)
With an initial investment of $1,000.00 and a final value of $1,500.00, the ROI is +50.00%.
