Quantitative tools · Free forever
Analyze. Compare.Decide.
Free quantitative tools, for investors who think in numbers.
AAPL+61.39%
NVDA+623.88%
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.
Adjust strike, premium, and implied volatility to see breakevens, max loss, and payoff shape update in real time. Start with a few core strategies here, then explore the full options concepts library.
Read the conceptsCrunch the numbers without a spreadsheet.
From ROI to annuity factors, our calculators turn repeat formulas into quick answers, so you can compare scenarios without rebuilding a spreadsheet.
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%.