NO.PZ2018113001000076
问题如下:
Matthew, a junior analyst, manages a portfolio W. The portfolio is fully invested in US Treasuries. Matthew intends to decrease the portfolio’s modified duration to 3.00.
Exhibit 1 presents selected data on Portfolio W, and the relevant Treasury futures contract, and the cheapest-to deliver (CTD) bond.
Based on Exhibit 1, to achieve Matthew’s objective, the number of Treasury futures contracts Matthew should sell is closest to:
选项:
A.
440
B.
441
C.
398
解释:
B is correct
BPVT =MDurT × 0.0001 × MVP = 3×0.0001×120,349,000 = 36,104.70
Matthew should sell 441 Treasury bond futures contracts.
中文解析:
本题考察的是利用期货合约调节组合的久期,直接带入上述公式计算即可。注意最后合约份数需要四舍五入取整数,负号代表卖出期货合约。
看过往问题最早提问的一个回答,写的是使用久期计算需要用到标准债券的久期,而题目给的是CTD的久期,因此不能用。但是老师讲课的时候推导Nf公式的时候讲,默认CTD的久期与标准债券的相等,才推出的Nf公式,但如果用上课讲的MDUR公式,则无法计算出选项答案