Interpolated ZeroInflationIndexes
Posted by
igitur on
Jun 18, 2014; 2:50pm
URL: http://quantlib.414.s1.nabble.com/Interpolated-ZeroInflationIndexes-tp15507.html
Hi,
I think the interpolation in ZeroInflationIndex::fixing isn't exactly correctly.
Consider a linearly interpolated Zero Inflation Index with observation lag of 4 months. If the reference date is in June, the observation date will be in February, which has only 28 days. I believe the interpolation should use June's 30 days instead of February's 28 days. As it is, the interpolation will be "maxed out" by 28 June and will remain flat until 30 June. Do you guys agree?
regards
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