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山风泽笑 · 2021年08月29日

与前一道题的含有越多的股票tracking error越大不同

NO.PZ2019012201000070

问题如下:

For the large-cap US equity portion of Sapphire’s investment portfolio, Cullen believes that there are some existing passive indexed-based funds that track the S&P 500 Index that the foundation should consider. Cullen presents Exhibit 2 to Sapphire’s board.Exhibit 2 S&P 500 Index Funds

Based on Exhibit 2, the portfolio manager most likely to have the largest tracking error is:

选项:

A.

Manager A

B.

Manager C

C.

Manager B

解释:

Tracking error indicates how closely the portfolio behaves like its benchmark and measures a manager’s ability to replicate the benchmark return. Manager C is most likely to have the largest tracking error for three reasons:

l The portfolio contains a smaller number of the index holdings than the other two portfolios, resulting in a lower level of replication.

l Dividends are reinvested the day following receipt rather than the same day, which would cause cash drag relative to Manager B.

l The portfolio is reconstituted less frequently than the other two portfolios.

Although Manager C has a slightly lower management fee, which would result in a lower tracking error, the benefit is unlikely to offset the combined higher tracking error related to the other portfolio characteristics.

A and C are incorrect.

本章有一道题是说在完全复制时包含了933支股票的比包含了60支股票的tracking error多,所以tracking error大,这道题又是包含的股票数量少,因此tracking error大,到底应该以哪个为准?
1 个答案

伯恩_品职助教 · 2021年08月30日

嗨,从没放弃的小努力你好:


同学你好,首先 是看一个组合的股票数量,如果是用Full Replication,数量越少根据效果越好,数量越多跟踪效果越差,因为数量越多交易的手续费就越多。track error就越大


所以这里一般来说是数量越接近 跟踪误差越小,但是数量太大就会产生偏差,如果数量大的话,又想尽量复制的像,最好是用Optimization的方法


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