Skip to calculators
calcmintly

Two Asset Portfolio Volatility

Combine two asset volatilities and their correlation.

Add to workspace

Your numbers

Local calculations. Results are estimates, not professional advice.

Portfolio volatility

—

Educational estimate using your assumptions; no live rates, tax rules or investment recommendations. Returns can be negative and are not guaranteed.

Formula

σp=√[w²σA²+(1−w)²σB²+2w(1−w)σAσBρ]

Combine two asset volatilities and their correlation.

Worked example

Asset A volatility (%)
10
Asset B volatility (%)
20
Asset A weight (%)
50
Correlation
0
Portfolio volatility
11.1803398875 %

Scope and limitations

Educational estimate using your assumptions; no live rates, tax rules or investment recommendations. Returns can be negative and are not guaranteed.

Inputs are checked for missing values and allowed ranges. A result outside the finite numeric range is not displayed. Rounding affects display, while the calculation uses the model’s numeric precision.

Check your units and assumptions before relying on a result. Changing a label does not convert a currency or physical unit.

Formula version: 23e35e537cdf · Example checked:

Methodology

Related tools