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Esther🏵🎠🗝招财🐱 · 2020年07月31日

问一道题:NO.PZ2018091701000077

问题如下:

Smith has a bond portfolio which consists two zero-coupon bonds. Bond 1 has a duration of 3.5 year, and the market value is $47.5 million. Bond 2 has a duration of 12 year, the market value is $52.5 million. The range of portfolio asset weights must be within 45%-55%. It is expected that the yield curve will parallel shift 20bp upward. To reduce the interest rate risk, Smith should:

选项:

A.

Buy $7.5 million Bond 2 and invest $7.5 million in Bond 1

B.

Sell $7.5 million Bond 2 and invest $7.5 million in Bond 1

C.

Sell $2.5 million Bond 1 and invest $2.5 million in Bond 2

解释:

B is correct.

考点:fixed-income exposure measures。

解析 : Duration是衡量利率风险的指标 。 为了降低利率风险 , 也就是减小Duration , Smith应该卖掉Duration大的债券 , 购买Duration小的债券 。 具体的金额不超过资产比重在45%-55%之间的这个范围限制 。 所以Bond 2的卖出上限是52.5-45=7.5 million , 同时购买相同金额的Bond 1 。

Shimin_品职助教 · 超过 1 年前

向上向下移动代表利率的改变,影响的是利率风险,利率风险通常用duration来衡量。因此为了减少利率风险,投资者应该减小手上投资组合的duration。

向下移动答案也是一样的。移动20\50\100bp也是一样的。

老师,我觉得题干中给出那个信息就是为了告知我们portfolio manager想增加收益降低风险,我还是不明白为什么下降就是一个答案呢?如果下降我觉得应该吧短期bond卖出啊,所以应该选C

1 个答案
已采纳答案

丹丹_品职答疑助手 · 2020年07月31日

嗨,爱思考的PZer你好:


同学你好,题干中明确说是要降低interest rate risk 难么就是降低duration,这个是一定要记住的,请知悉


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