- 老怪物Lv 710 年前最佳解答
What Does Volatility Mean?
1. A statistical measure of the dispersion of returns for a given security or market index. Volatility can either be measured by using the standard deviation or variance between returns from that same security or market index. Commonly, the higher the volatility, the riskier the security.
In finance, volatility most frequently refers to the standard deviation of the continuously compounded returns of a financial instrument within a specific time horizon.
Volatility: A measurement of change in price over a given period. It is usually expressed as a percentage and computed as the annualized standard deviation of the percentage change in daily price. http://stockcharts.com/help/doku.php?id=chart_scho...
2011-01-02 15:33:29 補充：