NO.PZ2019012201000037
问题如下:
Presented below is a selection of data on Matt’s portfolio, which contains three assets. Based on the table, the contribution of Matt’s total portfolio variance contributed by Asset Y is closest to:
选项:
A.
0.0025.
B.
0.0056.
C.
0.0088.
解释:
B is correct.
考点:Allocating the Risk Budget
解析:
单个资产对组合风险的贡献度
根据公式,资产Y对组合风险的绝对贡献度计算如下:
这个问题所计算的内容,和Asset allocation的risk budgeting里面计算ACTR和MCTR的关系怎么梳理,感觉有点混。老师能对照两个知识点帮我梳理下吗? 另外,在AA中计算MCTR用到的beta是factor和组合的,而本题所在知识点在计算是用的是两个factor之间的协方差,想问前述beta和协方差之间有数学推导关系吗?