Ole E. Barndorff-Nielsen () (The Centre for Mathematical Physics and Stochastics (MaPhySto), University of Aarhus, Denmark) Bent Nielsen () (Nuffield College, Unviersity of Oxford, Oxford, UK) Neil Shephard () (Nuffield College, Unviersity of Oxford, Oxford, UK) Carla Ysusi () (Dept of Statistics, Unviersity of Oxford, Oxford, UK)
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We use high frequency financial data to proxy, via the realised variance, each day's financial variability. Based on a semiparametric stochastic volatility process, a limit theory shows you can represent the proxy as a true underlying variability plus some measurement noise with known characteristics. Hence filtering, smoothing and forecasting ideas can be used to improve our estimates of variability by exploiting the time series structure of the realised variances. This can be carried out based on a model or without a model. A comparison is made between these two methods.
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Paper provided by Economics Group, Nuffield College, University of Oxford in its series Economics Papers with number
2002-W21.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Torben G. Andersen & Tim Bollerslev & Nour Meddahi, 2004.
"Analytical Evaluation Of Volatility Forecasts,"
International Economic Review,
Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 45(4), pages 1079-1110, November.
[Downloadable!] (restricted)
Ib M. Skovgaard, 2001.
"Likelihood Asymptotics,"
Scandinavian Journal of Statistics,
Danish Society for Theoretical Statistics, Finnish Statistical Society, Norwegian Statistical Association and Swedish Statistical Association, vol. 28(1), pages 3-32.
[Downloadable!] (restricted)
Ghysels, E. & Harvey, A. & Renault, E., 1996.
"Stochastic Volatility,"
Cahiers de recherche
9613, Universite de Montreal, Departement de sciences economiques.
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Other versions:
Ghysels, E. & Harvey, A. & Renault, E., 1996.
"Stochastic Volatility,"
Cahiers de recherche
9613, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)