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volitility · 2021年03月02日

请问在哪里有讲condor策略呀?

NO.PZ2019103001000056

问题如下:

Edgarton evaluates the Fund’s positions from Exhibit 1 along with two of his pro forma portfolios, which are summarized in Exhibit 2:

Edgarton expects a steepening yield curve, with short-term yields rising by 1.00% and long-term yields rising by more than 1.00%.

Based on Exhibits 1 and 2, which of the following portfolios is most likely to have the best performance given Edgarton’s yield curve expectations?

选项:

A.

Current Portfolio

B.

Pro Forma Portfolio 1

C.

Pro Forma Portfolio 2

解释:

C is correct.

Given Edgarton’s expectation for a steepening yield curve, the best strategy is to shorten the portfolio duration by more heavily weighting shorter maturities. Pro Forma Portfolio 2 shows greater partial duration in the 1- and 3-year maturities relative to the current portfolio and the least combined exposure in the 10- and 30-year maturities of the three portfolios. The predicted change is calculated as follows:

Predicted change = Portfolio par amount × partial PVBP × (-curve shift in bps)/100

麻烦介绍一下condor策略
1 个答案

发亮_品职助教 · 2021年03月03日

嗨,从没放弃的小努力你好:


Condor策略可以参考讲义251和252页。



如上图红框所示,Condor策略会布置4个债券头寸。其目标就是捕捉收益率曲线上:中期利率相对于短期利率、长期利率的变化。

也就是说,只要收益率曲线上Curvature发生变化(中期利率发生相对变化),我们就可以使用Condor策略来盈利。


比如,如果我们预期Curvature上升,即,中期利率相对上升,我们可以Short中期债券,因为中期利率上升、中期债券价格会下跌,Short中期债券可以盈利。

如上图所示,我们可以Short 5-year,Short 10-year,Short这两个中期利率来盈利。

因为Condor策略是Long-short的Money duration neutral策略,有Short头寸就必须要有Long头寸;


Curvature上升,是中期利率相对上升,短期、长期利率相对下降,Short了中期利率,另外两个Long的头寸是:Long短期利率、Long长期利率。

那这样的话,我们Condor策略就是4个头寸:Long 2-year(短期)、Short 5-year(中期);Short 10-year(中期)、Long 30-year(长期)


以上4个头寸可以分成两组:

Long 2-year / short 5-year是一组;他可以捕捉到中期利率相对上升、短期利率相对下降带来的收益。中期5-year利率相对上升,短期2-year相对下降,我们Long 2-year / short 5-year可以盈利。这一组组内是Money duration neutral的,即,2-year BPV = 5-year BPV


另外一组就是:Short 10-year/Long 30-year;这一组可以捕捉到中期利率相对上升、长期利率相对下降带来的收益;例如,中期10-year利率相对上升,长期30-year利率相对下降,该组合可以盈利。这一组组内是Money duration neutral的,即,10-year BPV = 30-year BPV


注意,在Condor策略里,Long 2-year / short 5-year这一组组内达到Money duration neutral,即,2-year BPV = 5-year BPV;Short 10-year/Long 30-year这一组组内达到Money duration-neutral,即10-year BPV = 30-year BPV;


至于2-year的BPV是否等于30-year的BPV是无所谓的,他们有可能相等,也有可能不相等。

在3级课后题中,我们是知道30-year的头寸,然后让求2-year的头寸,在这种情况下,4个头寸肯定是相等的,否则将无法求出答案。


另外Butterfly策略,也是Long-short的Duration-neutral策略,他也是捕捉收益率曲线上Curvature的改变,即,也是捕捉收益率曲线上中期利率相对于短期、长期利率的改变。

如上图所示,Butterfly策略里,只有1个中期利率;而Condor策略是有2个中期利率,所以Condor策略其实是更加精细化的,他将中期利率分成了2个利率,可以捕捉收益率曲线上更加细节的变动。

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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!

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