Learn about correlation, including how it measures the relationship between securities, along with how it aids in diversifying your portfolio and risk management.

What Is the Correlation Coefficient? The correlation coefficient is a metric that measures the strength and direction of a relationship between two securities or variables, such as a stock and a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

A few years have passed since we last published these asset class correlation matrices, but they're always interesting to take a look at. For reference, a correlation coefficient of 1 means the two ...