Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Yarilet Perez is an experienced multimedia ...

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 ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Causation and correlation may sound alike but are very different. The former means the root of subsequent events, while the latter refers to an actual or apparent relationship between trends in which ...

There's an excellent little new humorous website called Spurious Correlations. Well, OK, humorous perhaps only to economics geeks but humorous all the same. And it's a site that contains a deep and ...

Bitcoin’s reduced tendency to move in tandem with U.S. stocks has refocused analysts on a correlation that’s suddenly strengthening: the cryptocurrency’s connection to gold. The two assets’ merging ...

In an uncertain market, it is good to have a well diversified portfolio across different geographies, sectors and asset classes. However, intuition is not always the best judge of finding ...