Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Dispersion is a fundamental measure of risk and opportunity in the stock market; it measures how differently stocks are performing, or are expected to perform. The Dispersion Index was launched in ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

Statistical dispersion quantifies the variability of data relative to a central tendency, most commonly the mean, with variance the most usual measure of this. More generally, dispersion metrics are ...

Misconceived by the notion that volatility is unfortunate is regrettable. It is nothing but a mere measure of the dispersion of returns often quantified by variance from the designate, which in itself ...

Natural gene flow is often localised because of gamete dispersal limitations, and the quantity and structure of the genotypic variance in such populations is a key to predicting the advance from ...