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Quantitative tools · Free forever

Analyze. Compare.Decide.

Free quantitative tools, for investors who think in numbers.

AAPL+67.92%
NVDA+673.31%
AAPL vs. NVDA: Growth of a $10,000 investment over the past three years.
Industry benchmark

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 stocks
AAPL vs. NVDA: A comparison of their Price-to-Earnings Ratio (TTM) against their respective Technology Hardware, Storage & Peripherals and Semiconductors & Semiconductor Equipment industry benchmarks.
Options · Payoff diagrams

See 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 concepts
Call Option Payoff
Underlying
$
Long Call
$
d
$
%
Scenario
%
d
Max Profit
Unlimited
Breakeven
$109.00
Max Loss
-$4.00
Free calculators

Crunch 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 calculators
$
$
Return on Investment (ROI)+50.00%

With an initial investment of $1,000.00 and a final value of $1,500.00, the ROI is +50.00%.