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

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 ...