Excel's STDEV formula can automatically calculate the standard deviation of any set of numbers, so you don't have to go through the math yourself.

With that, Excel can generate a series of random numbers based on the data entered and the standard deviation. With this data you can then create a curved chart, known as a bell curve.

Historical volatility is a long-term assessment of risk. Discover why it is important to investors and learn how to calculate volatility in Excel.

Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

Pooled standard deviation is a useful tool when analyzing data sets. It is especially helpful when you’ve taken the time to properly weigh your standard deviations so everything is in balance.

Standard Deviation indicates the volatility of the fund’s returns. Higher standard deviation means higher variation in returns and vice versa. In technical terms, it is a dispersion of returns from ...