Sophia2020-10-04 23:09:39
对于老师说的正负butterfly以及原版书例题 后来协会有发勘误说明吗 这部分还需要看吗
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Nicholas2020-10-10 11:16:35
同学,早上好。
这部分有勘误,勘误如下,建议跳过。
In Example 8 (pages 209 to 211 of print), questions 2, 3, and 4 and their solutions should be deleted. The solution to 1 should be modified as follows: “Although the portfolios all have the same effective duration, the impact of the shift factor is largest (in absolute value) for the Bullet and smallest for the Barbell. This result reflects the fact that actual shifts in the curve are not parallel. The larger rate increase at the intermediate maturities disproportionately impacts the Bullet portfolio. The flattening twist favors the Barbell as short rates rise and long rates decline—the gains at the long end more than offset losses on the short end. The butterfly also favors the Barbell, which is unaffected by the rise in rates at the intermediate maturities but profits from the decline in rates at the long and short ends of the curve.”
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