When it comes to constructing an investment portfolio, “negative correlation” is something of a holy grail. Diversification, investors are told, is about combining assets that behave differently. You ...

In our recently published 2025 Diversification Landscape report, Christine Benz, Karen Zaya, Jason Kephart, and I took a deep dive into how different asset classes performed in the past couple of ...

Correlation coefficients are indicators of the strength of the linear relationship between two different variables, x and y. A linear correlation coefficient that is greater than zero indicates a ...

Hassan Vally does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...