Correlation measures the relationship between two variables. Learn how to calculate the correlation coefficient between market indicators and stock prices.

Calculating the Pearson correlation coefficient can be complicated but software makes it much easier. You can use several methods to calculate correlation in Excel.

In this article, we will explore the theory, assumptions and interpretation of Spearman’s rank correlation, a flexible statistical tool that assesses the strength and direction of the relationship ...

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, ...