问题如下图:
选项:
A.
B.
C.
解释:
题目表里给的单个资产组合SR和benchmark的SR不一样吗?Benchmark的SR是怎么算的
Portfolio A Portfolio B B is correct. 考点考察公式SR2=SR2B+IR2 解析Active portfolio with the highest (square information ratio will also have the highest (squareSR. IR可以作为唯一的衡量指标,也就是让你找IR最高的组合 IRA=2%/12%=0.17 IRB=1.2%/8%=0.15 IRC=1%/13%=0.077 组合A的IR最高,因此选B。怎么知道是考这个知识点呢?
图中已经给出了sharp ratio,为何还要专门再计算一次?