标准差的中文解释
指统计上用于衡量一组数值中某一数值与其平均值差异程度的指标。标准差被用来评估价格可能的变化或波动程度。标准差越大,价格波动的范围就越广,股票等金融工具表现的波动就越大。
Standard Deviation的英文解释
A statistical
measure of the
amount by which one value in a range of values is likely to vary from the mean value. It is used as a method of assessing how
variable or volatile a price is likely to be. The bigger the standard deviation the more
widespread are the price movements and the more volatile the
performance of the stock or
financial instrument.