麻烦老师讲解一下，这是哪页的知识点

问题如下：

Compared to traditional equity investment, the historical return distribution of Bitcoins shows:

选项：

A.negative skewness. B.high mean returns. C.low standard deviation.

解释：

Historical Bitcoin returns are characterized by high mean returns and high standard deviation. Despite the high volatility, the return distribution is positively skewed.