What Is Variance in Statistics? Definition, Formula, and Example

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.
EDN

Volatility and variability define $550 Million market for uninterruptible power supplies in the Middle East and Africa

Austin, Texas (April 24, 2013)–After three years of declining sales of uninterruptible power supplies (UPS) into the Middle East and Africa region, the market returned to growth in 2012 and is ...

National Bank Of Canada Trading Volatility Puts Earnings Mix In Focus

National Bank of Canada now ranks as the Big 6 Canadian bank with the highest exposure to trading revenue volatility. New analysis highlights that TSX:NA has substantial sensitivity to equity markets ...
Seeking Alpha

Volatility, Correlation And Dispersion In The S&P 500 Top 20 Select Index

The S&P 500 Top 20 Select Index shows slightly higher average volatility (18.5%) compared to the broader S&P 500 (16.2%) over the past decade. The S&P 500 Top 20 Select Index consistently showed lower ...

National Bank of Canada Most Exposed to Trading Revenue Volatility, Raymond James Says

National Bank recorded the highest trading exposure at 14.9% of total revenue, the highest variability with a coefficient of variation of 40%, and the greatest sensitivity to equity markets, Raymond ...