How to Calculate the Correlation Coefficient A simple calculation method is to use what's known as the Pearson correlation coefficient calculator, named after the English mathematician Karl Pearson.

Calculating the correlation coefficient is time-consuming, so data is often plugged into a calculator, computer, or statistics program to find the coefficient.

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Beta is a way to quantify a stock’s systematic risk. In simple terms, systematic risk refers to investment risk related to the movement of the entire market. Beta can help you answer questions like, ...

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