NO.PZ2021120102000015
问题如下:
Which of the following statements about credit spread measures is most accurate?
选项:
A.The DM is the yield spread over the MRR established upon issuance
to compensate investors for assuming an issuer’s credit risk.
The Z-DM will be above the DM if the MRR is expected to remain constant over time.
The yield spread for a corporate bond will be equal to the G-spread if the government benchmark yield curve is flat.
解释:
C is correct.
The yield spread is the simple difference between a bond’s all-in YTM and a current on-the-run government bond of similar maturity, while the G-spread is an interpolation of government benchmark yields. If the government bond yield curve is flat, these two measures will equal one another.
这里yield spread不是公司债券收益在on-the-run government bond之上的spread吗?这和G-spread的在spot rate之上的不一样吧?为什么可以说是相同?是因为on-the-run government bond rate就等于spot rate?(这里我知道yield curve stable,但是他们计算公式减掉的也不是一个东西吧?)
还有就是解析里面的all-in YTM是什么,和普通的YTM有什么区别?