Stock Beta (β)
Calculate Stock Beta (β) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Stock Beta (β)
Cov
Var(M)
β (modulation index)
1.2
More about: Stock Beta (β)
What it calculates
The “Stock Beta (β)” calculator computes β (modulation index) from 2 parameters: cov, var(m).
Used by investors to estimate returns, project savings, and analyze a portfolio.
Example calculation
With parameters Cov = 0.024, Var(M) = 0.02 the result is 1.2.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.