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NIG distribution in modelling stock returns with assumption about stochastic volatility: Estimation of parameters and application to VaR and ETL
Halmstad University.
Halmstad University.
2009 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

We model Normal Inverse Gaussian distributed log-returns with the assumption of stochastic volatility. We consider different methods of parametrization of returns and following the paper of Lindberg, [21] we assume that the volatility is a linear function of the number of trades. In addition to the Lindberg’s paper, we suggest daily stock volumes and amounts as alternative measures of the volatility.

As an application of the models, we perform Value-at-Risk and Expected Tail Loss predictions by the Lindberg’s volatility model and by our own suggested model. These applications are new and not described in the literature.

For better understanding of our caluclations, programmes and simulations, basic informations and properties about the Normal Inverse Gaussian and Inverse Gaussian distributions are provided.

Practical applications of the models are implemented on the Nasdaq-OMX, where we have calculated Value-at-Risk and Expected Tail Loss for the Ericsson B stock data during the period 1999 to 2004.

Place, publisher, year, edition, pages
Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data- och Elektroteknik (IDE) , 2009. , 74 p.
Keyword [en]
NIG distribution, Value at Risk, Expected Tail Loss, Lindberg method, EM algorithm, risk analysis, ETL, VaR
National Category
URN: urn:nbn:se:lnu:diva-58180Local ID: 2082/3276OAI: diva2:1047456
Physics, Chemistry, Mathematics
Available from: 2016-11-22 Created: 2016-11-17 Last updated: 2016-11-22Bibliographically approved

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Pielaszkiewicz, Jolanta Maria

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