NO.PZ2020021205000064
问题如下:
If you have five years of monthly data on a variable, how would you calculate its volatility?
选项:
解释:
If is the value of the variable at the end of month i, the volatility is times the standard deviation of the 59 values of
老师,基础讲义P476,这里的volatility是return的volatility吗?