不同学2022-07-22 18:59:59
老师,题干说统计因子模型是用历史数据去识别能够解释方差的因子,这句话好别扭,请问是什么意思?
回答(1)
Evian, CFA2022-07-22 19:53:57
ヾ(◍°∇°◍)ノ゙你好同学,
感谢提供题目截图!~
题目中:
The model analyzes historical and cross-sectional return data to identify factors that explain the variance or covariance in the securities’ observed returns.
主句是:
The model analyzes historical and cross-sectional return data.
模型是用来分析“收益率数据”(历史和横截面)
to identify factors
模型使用目的:找到“因子”
factors that explain (the variance or covariance in the) securities’ observed returns.
这些因子可以解释(被观测到的)资产收益率(方差和协方差)
题目来源协会Mock题,表述语句较长,简单理解是在讲“Return generating models: multifactor models”,用不同的因子来解释收益率(截图所示,组合科目Portfolio Risk and Return: Part II的知识点)
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