Exchange rates are not mean reverting. Simple BS with interest rate differential is usually applied. 


Kind regards,-- 
Dominykas Grigonis


On Wednesday, 15 January 2014 at 19:30, Jaimie wrote:

> Hi R users
> 
> I'm trying to model fx rates with one-factor models like CIR, Vasicek, hull-white etc. Those usually used in the context of interest rate modeling. 
> I was wondering:
> 
> 1- Would It make sense? I mean, applying short rate models to exchange rates. 
> 
> 2- What would be the best r package i should go to? Is there one specially recomended?
> 
> Thanks a lot in advanced.
> 
> Jaimie
> 
> Enviado desde mi iPhone
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