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 ...

I don't know if market guru Dennis Gartman speaks French, but his recent announcement of a course correction making him once again "wild-eyed bullish" on stocks reminded me of a classic Gallic ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

View post: Amazon is selling a foldable cordless treadmill for only $128 Correlation measures the relationship of two stocks based on their returns (percentage gains or losses), not their historical ...

Whether you've managed your investments well into retirement or just got a 401(k) a couple of years ago, it's always wise to get back to the basics and refresh yourself on some of the most critical ...

The correlation function is a useful signal-analysis tool that engineers often overlook. Its formidable equation, which you have probably not thought about since your undergraduate signals and systems ...

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 ...