NO.PZ2018091701000028
问题如下:
Analysts collected some information about active portfolio management:
The Sharpe ratio produced by combining Portfolio 1 and benchmark is closet to:
选项:
A.2.37
B.1.54
C.1.45
解释:
B is correct.
考点:investing in both the actively managed and benchmark portfolios
解析:
先求组合1 的IR:IR=8%/5.5%=1.45
再求一个新的SR,公式为SR2P=SR2B+IR2=2.37,然后再开根号等于1.54.
这道题我算的是1.597280,和答案不一样啊