Stocks calculator
Alpha Calculator
Use this free Alpha Calculator to work out alpha from portfolio return (%), risk-free rate (%), beta, and market return (%), with instant result cards and the exact formula shown below.
Results
Calculation summary
FormulaView calculation method
Expected return
Risk-free rate + Beta x (Market return - Risk-free rate)Alpha
Portfolio return - Expected returnGuideHow 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 Alpha Calculator estimates alpha from portfolio return (%), risk-free rate (%), beta, and market return (%). 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 alpha, expected return, portfolio return, and beta. Read alpha 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 Risk-free rate + Beta x (Market return - Risk-free rate). Enter portfolio return (%), risk-free rate (%), beta, and market return (%) 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 Alpha Calculator used for?
The Alpha Calculator is a free stocks calculator that works out alpha from portfolio return (%), risk-free rate (%), beta, and market return (%). Enter your own figures to get an instant result with the formula shown on the page.
What formula does the Alpha Calculator use?
It calculates Expected return = Risk-free rate + Beta x (Market return - Risk-free rate) and Alpha = Portfolio return - Expected return. The tool reports alpha, expected return, portfolio return, and beta.
Where do I get the numbers for the Alpha Calculator?
Take portfolio return (%), risk-free rate (%), beta, and market return (%) from your broker statement or exchange. The Alpha Calculator never fetches live market data, so the output depends only on the values you type in.
Are the Alpha Calculator results financial advice?
No. The Alpha Calculator is an educational tool. Treat alpha as an estimate, re-check your inputs, and confirm important investment decisions with a qualified professional.
Can I use the Alpha Calculator with any currency or market?
Yes. Keep portfolio return (%), risk-free rate (%), beta, and market return (%) in the same currency and consistent units, and the Alpha Calculator applies the same calculation to any market.