The main conclusions are: (1)The return rate of stock index is verified further that it's not normal but with heavy tail;
主要的结论是：进一步验证了股指收益率的分布不是正态的，而是具有厚尾性；
The main conclusions are: (1)The return rate of stock index is verified further that it's not normal but with heavy tail;
主要的结论是：进一步验证了股指收益率的分布不是正态的，而是具有厚尾性；
应用推荐