Chapter 13 Relative-Value Methodologies for Global Credit Bond Portfolio Management 169
18 . A . One can use mean-reversion analysis in this question as follows. For each issue, the
number of standard deviations that the current spread is above the historical average
(the mean spread for the past six months) is computed as:
Issue Number of Standard Deviations Above Mean
A(110 − 85)/25 = 1.0
Issue B has the largest deviation above the mean and is therefore the one more likely
B . e assumptions are that 1) the spreads will revert back to their historic means and
19 . Ms. Xu should rst explain that callable bonds exhibit negative convexity when interest
rates decline, while noncallable bonds exhibit positive convexity. is means that when
All mortgage pass-through securities exhibit negative convexity. However, low-coupon
20 . Ms. Smith could sell retail issues and use the proceeds to purchase US dollar-denominated
Ms. Smith should use credit analysis to select which issues to buy or sell within each
returns. Key rate duration attempts to pro t from non-parallel shifts in the yield curve.
it is closest to the Yield Curve Plus Fund.
Hanover-Green’s liabilities and re ects the corporate bonds that form the bulk of their assets.
have come to dominate the credit market.