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Janet · 2024年07月09日

Eileen Gension课后题

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NO.PZ201909280100001102

问题如下:

Which of Smittand’s statements regarding short-biased equity strategies is incorrect?

选项:

A.

Statement 1

B.

Statement 2

C.

Statement 3

解释:

B is correct. While bonds reduce the probability of achieving a target return over time, they have been more effective as a volatility mitigator than alternatives over an extended period of time.

A is incorrect because Statement 1 is correct. Short-biased strategies are expected to provide some measure of alpha in addition to lowering a portfolio’s overall equity beta.

C is incorrect because Statement 3 is correct. Short-biased equity strategies help reduce an equity-dominated portfolio’s overall beta. Short-biased strategies are believed to deliver equity-like returns with less-than-full exposure to the equity premium but with an additional source of return that might come from the manager’s shorting of individual stocks.

B 是正确的。 Short-biased strategies会导致更大的波动因为负的β。


A 不正确,因为陈述 1 是正确的。 除了降低投资组合的整体股票贝塔系数外,Short-biased strategies有望提供一些阿尔法指标。

C 不正确,因为陈述 3 是正确的。 Short-biased strategies有助于降低以股票为主的投资组合的整体贝塔系数。 Short-biased strategies被认为可提供类似股票的回报,但其对股票溢价的敞口只有一部分,但额外的回报来源可能来自经理对个股的卖空。

老师您好,这个statement3和statement2是不是矛盾了

statement2是说short biased增大了volatility

statement3又是降低risk

不应该是增加risk吗,毕竟short biased的风险还是挺大的

1 个答案
已采纳答案

伯恩_品职助教 · 2024年07月10日

嗨,从没放弃的小努力你好:


statement3说的是by reducing the overall portfolio beta of the fund.来减少risk,这个就是没错了,因为short是负的β,传统投资的equity都是正的β,可以帮助抵消一部分波动风险。

2和3的区别主要是2是看的绝对值的波动率,3是相对值

另外2主要是说的short和bond之间的波动率对比,bond肯定是最小的

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