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我是一条鱼 · 2022年01月01日

SAA

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NO.PZ201805280100000102

问题如下:

2. Which of Capara’s statements regarding tactical asset allocation is correct?

选项:

A.

Statement 1

B.

Statement 2

C.

Statement 3

解释:

A is correct.

The Sharpe ratio is suitable for measuring the success of TAA relative to SAA. Specifically, the success of TAA decisions can be evaluated by comparing the Sharpe ratio realized under the TAA with the Sharpe ratio that would have been realized under the SAA.

考点:tactical asset allocation

解析:Statement 1考查的是结论,Sharpe ratio可以用来评估TAA的表现是否优于SAA,正确。Statement 2描述的是systematic TAA而不是Discretionary TAA ,错误。Statement 3错在deviate from这个词,意思是偏离,原文的意思是TAA 可以偏离出IPS的上下限,说反了,TAA 可以偏离但不能超过IPS限定的上下限。因此正确选项A。

我理解SHARP RATIO是衡量TAA和BENCH MARK 之间的差距,怎么理解这里SAA就是指BENCH MARK呢。谢谢

2 个答案

lynn_品职助教 · 2022年08月24日

嗨,从没放弃的小努力你好:


是的,只是这道题中SAA起到了benchmark的作用而已。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

郭静_品职助教 · 2022年01月03日

嗨,爱思考的PZer你好:


你的理解没错,Sharpe ratio是衡量TAA和BENCHMARK 之间的差距。SAA在这里就是一个benchmark。

因为SAA是由基金经理根据IPS制定的长期target,比方说60%股票和40%债券。正常情况下这种配置轻易不改变。

但当某些情况下,基金经理认为某类资产在当前的经济下会有更好的表现机会,可能会偏离一点SAA,高配某一类资产。比方说认为股票牛市要来了,将配置变为65%股票和35%债券。这时候就形成了一个战术资产配置TAA。

那我们如何得知这种调整好不好?就需要将TAA的 Sharpe ratio与SAA的 Sharpe ratio进行比较,TAA的 Sharpe ratio高,说明TAA表现好。此时,SAA就像是一个benchmark,作为我们评估TAA表现好坏的基准。


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就算太阳没有迎着我们而来,我们正在朝着它而去,加油!

Fullhouse007 · 2022年07月13日

请问,评价主动管理(TAA)相对Benchmark不应该是用IR更合适吗?

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