Stocks calculator
Beta Calculator
Use this free Beta Calculator to work out beta from stock-market covariance and market variance, with instant result cards and the exact formula shown below.
Results
Calculation summary
FormulaView calculation method
Beta
Covariance with market / Market varianceGuideHow to use this calculator
Step 1
Enter the stock market values from your broker, fund statement, exchange, or research source.Step 2
Click Calculate result to update the output cards, then review the formula section for how the result is derived.Tip
For more planning tools, return to the related calculator links or the main calculator category page.Continue from here
What this calculator helps with
The Beta Calculator estimates beta from stock-market covariance and market variance. It is a focused stock calculator you can use free with no signup, repeating the calculation with your own numbers whenever your inputs change.
How to read the results
After you press Calculate result, the summary cards show beta, covariance, market variance, and market sensitivity. Read beta as the headline figure and use the supporting values for context, then change one input at a time to see how sensitive the result is.
Before relying on the numbers
This stock calculator applies the formula Covariance with market / Market variance. Enter stock-market covariance and market variance using consistent units and the same currency, include any applicable fees or taxes, and confirm important decisions against your broker, fund statement, exchange data, or a qualified professional.
FAQ
Frequently asked questions
What is the Beta Calculator used for?
The Beta Calculator is a free stocks calculator that works out beta from stock-market covariance and market variance. Enter your own figures to get an instant result with the formula shown on the page.
What formula does the Beta Calculator use?
It calculates Beta = Covariance with market / Market variance. The tool reports beta, covariance, market variance, and market sensitivity.
Where do I get the numbers for the Beta Calculator?
Take stock-market covariance and market variance from your broker statement or exchange. The Beta Calculator never fetches live market data, so the output depends only on the values you type in.
Are the Beta Calculator results financial advice?
No. The Beta Calculator is an educational tool. Treat beta as an estimate, re-check your inputs, and confirm important investment decisions with a qualified professional.
Can I use the Beta Calculator with any currency or market?
Yes. Keep stock-market covariance and market variance in the same currency and consistent units, and the Beta Calculator applies the same calculation to any market.