minyu2019-01-27 14:52:52
老师好,一个received-fixed swap它的duration小于0,可以用于降portfolio duration。那为什么receiver swaption会升portfolio duration ?
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Sherry Xie2019-02-03 22:53:56
同学你好, receiver fixed swaption是收到fixed rate bond并支付floating rate bond,所以swaption duration=duration of fixed rate bond- duration of floating rate bond,已知duration of floating rate bond近似于0,所以swaption duration肯定是个正数,会升duration.
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