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xgxinw · 2025年02月04日

equity

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NO.PZ202207040100000404

问题如下:

The fund in Exhibit 3 that is most consistent with Quint’s requirements is:

选项:

A.Ash. B.Blue. C.March.

解释:

Solution

C is correct. The March Fund is the fund that is most consistent with Quint’s requirements for the best risk-efficient delivery of results. It delivers the lowest active risk (3.2%) using far fewer securities (140), indicating an efficient approach. The higher Active Share (0.75) for the similar level of fees also supports this decision.

A is incorrect. Ash has the highest active risk, which indicates active return contributions of a greater dispersion than the benchmark and the competing funds. More securities and lower Active Share are not supportive of this fund choice.

B is incorrect. Blue has the highest number of securities and a relatively low Active Share. Although the overall portfolio volatility is the lowest of the three (producing a higher Sharpe ratio), the more relevant risk is that attributable to active management. Greater active risk despite more securities is not the most efficient method.

中文解析:

本题考查的是对合理构建的投资组合的理解。根据题目要求,Quint需要选择最能高效管理风险并提供优质结果的基金。

选项C正确。March基金的特点最符合Quint的需求。它的年化主动风险最低(3.2%),意味着其收益波动性较小。仅持有140只证券表明其管理方式更加高效。此外,March基金的主动份额(0.75)最高,说明其与指数的差异性较强,同时能为投资组合提供更多主动价值。

选项A错误:Ash基金的年化主动风险最高(6.0%),表明其与基准和竞争基金相比波动性更大。持有更多证券且较低的主动份额(0.48)进一步削弱了其投资效率,不适合本次选择。

选项B错误:Blue基金持有证券数量最多(340),主动份额最低(0.41),显示其与指数相似性较高,主动管理贡献不足。尽管年化波动率最低(11.5%)导致Sharpe比率最高,但主动风险(5.5%)相对较高,不是最佳选择。

啊?这个题不是选A吗?

我看之前有问必答,都在说active risk/active share,这是什么呀?我怎么没学过,是考纲变化了吗



xgxinw · 2025年02月04日

啊哈哈哈老师,放错截图了,而且我发现是后面的问题,就请老师解答:active risk/active share,这是什么呀,记结论吗?越大越好

1 个答案

笛子_品职助教 · 2025年02月05日

嗨,爱思考的PZer你好:


原版书上的结论是:

同样的active share,active risk小的,更efficiency

同样的active risk,active share大的,更efficiency。


综合起来,可以记忆为active share ÷ active risk,越大,越efficiency。

这是一种记忆方法。


同学直接看原版书结论就可以。

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努力的时光都是限量版,加油!

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