FRM HANDBOOK第十章(CTD)的疑問 - 金融分析師
By Belly
at 2011-12-28T23:54
at 2011-12-28T23:54
Table of Contents
不好意思又來發問
2011第六版 HANDBOOK 第十章關於
T-bond future
P.237頁習題10.4 (2009考古題)
要計算cheapest to deliver (CTD)
文中的公式是
Cost=Price-FQ*CF 然後找出最低成本的bond
可是這一題
Bond A 102-14/32 CF:0.98
Bond B 106-19/32 CF:1.03
Bond C 98-12/32 CF:0.952
Future price=103-17/32
看到題目會很直覺用公式去算成本
Bond A cost ==> 102.44-105.53*0.98
....
.....
不過解答 竟然是用 102.44/0.98 ==> spot price/CF
這樣去算
看解答整個不懂了 為什麼文中完全沒提過這種算法
如果答案一樣就算 可是兩種算法會有不同答案
不知道以後遇到這種題目該怎麼算??
是用書中的公式算
還是這題目解答 spot price/CF 才對???
感謝不吝指教 謝謝!!
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Tags:
金融分析師
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