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锦鲤本鲤 · 2022年06月12日

此知识点还在考纲吗?需要怎么掌握

NO.PZ2018103102000148

问题如下:

Tim, an investment analyst in a securities firm, is preparing a monthly report for his clients. The aim of this report is to tell his clients the methods he uses to make investment decisions and the performance of the portfolio for the past month. Tim made the following statements in the methods part:

Statement 1: Compared with the unexpected earnings, the SUE standardises the unexpected earnings by the standard deviation of historical forecast errors or surprises.

Statement 2: Relative-Strength indicators compare a stock’s performance during a certain period with its past performance or compare its certain period’s performance with the performance of some group of stocks.

According to the information above, which of the following is correct?

选项:

A.

Statement 1 is correct, but statement 2 is wrong.

B.

Statement 1 is wrong, but statement 2 is correct.

C.

Both of statements are correct.

解释:

C is correct.

考点:考察Standardised unexpected earnings、unexpected earnings,以及Relative-strength indicators的理解。

解析:关于UE,以及SUE有以下公式:

UEt=EPStE(EPSt)UE_t=EPS_t-E\left(EPS_t\right)

即本期的Unexpected earnings等于本期实际的earnings减去本期预期的Earnings.

而关于SUE有如下公式:

SUEt=EPStE(EPSt)σ[EPStE(EPSt)]SUE_t=\frac{EPS_t-E\left(EPS_t\right)}{\sigma\left[EPS_t-E\left(EPS_t\right)\right]}

其中分子是Unexpected earnings,分母为历史unexpected earnings的标准差。

请问此知识点需要掌握的程度

2 个答案

王园圆_品职助教 · 2022年06月12日

嗨,努力学习的PZer你好:


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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!

王园圆_品职助教 · 2022年06月12日

嗨,努力学习的PZer你好:


同学你好,具体本题对应的知识点在基础班讲义第314页到316页

李老师上课的时候对该知识点的要求是“了解”

对于具体的公式应该不会再考试中考计算,但是需要考生对该公式有印象,知道分子分母是什么。对于讲义中的文字性总结建议考生理解以后,要在脑海中稍微有个印象。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

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