FRM一级模考
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FRM一级模拟题
1. A hedge fund is considering taking positions in various tranches of a collateralized debt
obligation (CDO). The fund's chief economist predicts that the default probability will decrease
significantly and that the default correlation will increase. Based on this prediction, which of the
following is a good strategy to pursue?
A . Buy the senior tranche and buy the equity tranche
B . Buy the senior tranche and sell the equity tranche.
C. Sell the senior tranche and sell the equity tranche.
D. Sell the senior tranche and buy the equity tranche
Answer: d
Explanation: The decrease in probability of default would increase the value of the equity tranche
Also, a default of the equity tranche would increase the probability of default of the senior tranche,
due to increased correlation, reducing its value. Thus, it is better to go long the equity tranche and
short the senior tranche.
Topic: Credit Risk Measurement and Management
Subtopic: Credit Derivatives-Default and Default-time Correlations
AIMS: Describe asset backed securities including collateralized debt obligations (CDOs) and
explain tranches role of correlation in valuing CDOs.
Reference: John Hull: Options. Futures. and Other Derivatives. 7th Edition (New York: pearson,
2009),
Chapter 23: Credit Derivatives