Elastic (ESTC) closed the last trading session at $82.69, gaining 2.3% over the past four weeks, but there could be plenty of ...

Standard deviation is a statistic measuring the dispersion of a dataset relative to its mean. It is calculated as the square root of the variance. Learn how it's used.

Standard deviation measures how far numbers in a data set are spread out from an average value. In investing, it is used as a measurement of portfolio volatility.

Understanding standard deviation. In investing, standard deviation refers to the range of typical outcomes for investment returns. Sometimes, returns fall outside of one standard deviation, ...

If the standard deviation is 2 seconds, the same point is 6/2 or 3 standard deviations away from the mean. This count is ...

Understanding standard deviation means first understanding variance because standard deviation, mathematically speaking, is the square root of variance.

From newtraderu.com. Here is a quick overview for an understanding a standard deviation chart data set. You can see how the examples of the data will fall within one standard deviation of the mean for ...

Standard Deviation — a key measure of investment risk — is often overlooked by young investors chasing high returns. But ...

Standard deviation is a measure of risk based on volatility. The lower the standard deviation, the less risk and the higher the Sharpe ratio, all else being equal.