Diversification works when assets move differently. Add two or more price histories to build a correlation matrix, explore the heatmap and instantly spot your least-diversified pair.
Pearson correlation for every pair of stocks in your list.
Color-coded matrix that makes strong and weak relationships visible at a glance.
Automatically flags the two stocks that move most in lockstep.
Run through a typical scenario with the sample values below — hit See an example to load them instantly.
| Input | Sample value |
|---|---|
| Stocks — name then prices | AAPL|178,182,176,185,190,188,192 MSFT|330,338,332,345,352,349,355 NVDA|450,462,448,470,480,476,490 |
Follow the steps below to get accurate results.
AAPL|178,182,176,185.Stocks — name then pricesDiversification works when assets move differently. Add two or more price histories to build a correlation matrix, explore the heatmap and instantly spot your least-diversified pair.
Stock Correlation Calculator is an interactive estimate built for quick planning. Always double-check the numbers that matter before acting on them, and reach out to a professional for personalized advice.
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Simply fill in the fields and press Calculate. Diversification works when assets move differently. Add two or more price histories to build a correlation matrix, explore the heatmap and instantly spot your least-diversified pair.
Just the basics — Stocks — name then prices, plus a few simple inputs. No account or signup is required; everything runs in your browser.
Yes — completely free, with no login, no watermarks and no limits. Bookmark it and share the URL with anyone who needs it.
The calculator uses current, standard formulas to produce an educational estimate. Real-world figures can vary based on your specific situation, so treat it as a planning aid rather than a final answer.
Absolutely. The tool is fully responsive and works smoothly on mobile, tablet and desktop browsers.
The result is an estimate for educational purposes only and is not financial, legal or tax advice. Consult a qualified professional before making important decisions.