lordaniel2019-12-29 17:37:43
GIPS要求report中要包含external dispersion吗?external dispersion指什么? notes I P129例题,答案为什么说这里展示的不是internal dispersion
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Chris Lan2019-12-30 13:48:39
同学你好
没有external dispersion
这个错是因为他的internal dispersion展示的是错的。这部分的要求如下
Internal dispersion:a measure of the spread of the annual returns of individual portfolios within a composite. It allows clients to see how consistently the firm implemented its strategy across individual portfolios:衡量单一投资组合与组合组的年化收益的差值,它允许客户了解公司单一投资组合中如何贯彻其策略(internal risk,站在portfolio角度)
1)Highest and lowest returns earned by portfolios that were in the composite for the full year:组合组中将投资组合全年的收益率最高的和最低的相减(优点:简单;缺点:易受outlier影响)
2)High/low range:最高的收益除以最低的收益(优点:简单;缺点:易受outlier影响)
3)The equal-weighted standard deviation of returns to portfolios in the composite:组合组中投资组合的等权重的收益率标准差
4)The asset-weighted standard deviation:以资产规模加权的收益率标准差
5)The interquartile range:1/4分位数排名减去3/4分位数排名(优点:最不容易受outlier影响)
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