标题: Cheap vs expensive MBS's using OAS as a measure [打印本页] 作者: ruchita 时间: 2011-7-11 19:23 标题: Cheap vs expensive MBS's using OAS as a measure
I know that OAS + Call option = Zpread
and i know that as the call option incr, the OAS will decr.
My question refers to why is that when OAS is less than its true value and the cost of the option is bigger than what it should be is the MBS considered CHEAP????
