芮同学2019-05-24 06:03:21
原版书的答案讲解上说,As interest rates rise, a call option moves out of the money, which increases the value of the callable bond and lengthens its effective duration. 请问如果interest rate上升,根据老师画的图形来看,P of callable bond不是变小吗?
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Vito Chen2019-05-24 21:00:20
同学你好。这里说的增加债券的价值是相对于利率下降而言的,因为利率上升不会行权,所以相对利率下降时,债券价值更高。
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