[R-SIG-Finance] Passing external regressors to rugarchspec

Eric Huang eyh2 at princeton.edu
Thu Mar 31 20:47:16 CEST 2016

Hi all,

I have a pair of correlated time series of financial returns, and am using
GARCH(1,1) through rugarch to forecast realized volatilties, which I have
calculated separately. If I would like to include one series's realized
volatilities as an external regressor for the other's GARCH model, do I
need to prelag the realized volatilities before passing it to ugarchspec?

Thanks for the help,


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