介绍了股票指数波动率的概念和基本的估计方法，并用有关数据进行了计算。

In this paper, the concept and the estimation method of index volatility are introduced.

youdao

介绍了股票指数波动率的概念和基本的估计方法，并用有关数据进行了计算。

In this paper, the concept and the estimation method of index volatility are introduced.

youdao