Bugs item #1177912, was opened at 2005-04-06 12:31
Message generated for change (Comment added) made by qq7te
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Status: Open
Resolution: None
Priority: 5
Submitted By: Daniele De Francesco (qq7te)
Assigned to: Luigi Ballabio (lballabio)
Summary: More Calendar problems on all Libors
Initial Comment:
After looking for a proper definition of how the Libor
fixing works,
I have finally found an authoritative source:
http://www.bba.org.uk/bba/jsp/polopoly.jsp?d=225&a=1412It seems that any calendar we pick will be wrong.
Their method for determining the value date from the
fixing date is quite different from anything I've seen.
It's a strange combination of two calendars that is
explained fully in the above mentioned page.
Picking the London calendar for ALL the libors will be
a very good first-order approximation that will make
all the libor classes much more accurate.
Eventually a fix is needed to have an
"OddlyJoinedCalendar" or something like that :-)
I would fix it myself, but I will have to do it outside
of work because of my emplyment agreement, so it will
be a bit delayed. If anyone with access to CVS wants to
at least do a quick fix to move to London Calendar that
would be a great first step
-Daniele
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>Comment By: Daniele De Francesco (qq7te)
Date: 2005-04-13 16:58
Message:
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Careful using the JointCalendar.
the actual day calculation would not be accurate using
either the London calendar alone or a joint one. We need to
come up with something that meets the specification
published at the link that I posted.
I will contribute something as soon as I get a chance.. :-)
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Comment By: Luigi Ballabio (lballabio)
Date: 2005-04-08 03:17
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Thanks for the link. The CVS version already uses the London
calendar for all LIBORs. We'll have to check whether we can
use JointCalendar, but that will have to wait for 0.3.10 as
0.3.9 is being released.
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