黄老师,您好!向您咨询一下,我也遇到了13楼的问题,在计算崩盘风险时,得到的样本均值为正,而且很大,请问您能否帮我看下可能是哪里出了问题呢?用dataex导出后日期只能显示为2609这样的。实际上日期是yyyy-ww,即“年—周”的形式。lnret是个股收益率,retmk是加权平均收益率。
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Listed 100 out of 122443 observations
下面是崩盘风险指标的结果:
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Listed 100 out of 122443 observations