Your Intepretation>>> - R23 CFAI Practice Problems Q14 Page 266

SydCFAL3

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Hi all,
I was one of those who was tricked by this question.
I know they say in the statement under
Ibahn 2 “purchase additional bonds that have the same duration as the current porfolio.”
I used 125 million as the portfolio value size and hence got 4.1 option A.
Maybe it is just late at night here in Australia or it also occurred to me that
- the dollar duration for the 100 or 125 million portfolio would both be $5,125,000
- it doesn’t explicitly state that they will add $25million, just that they will use funds from a $25million overnight repo agreement that we need to just use the $100million as the portfolio size.
If someone can clarify that my thinking is correct on why I got it wrong that would be great.
Thanks guys and girls.
 
Hey i just came across this same problem, i used the 125m to work out the duration too
did you manage to figure this one out?
 
answer is pretty straight forward.
you have a 100M portfolio, you leverage it with 25M$,
$Duration after leverage = 5125000
so duration = 5.125 (or 5.13)
 
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