Modelling and forecasting the kurtosis and returns distributions of financial markets: irrational fractional Brownian motion model approach
This paper reports a new methodology and results on the forecast of the numerical value of the fat tail(s) in asset returns distributions using the irrational fractional Brownian motion model. Optimal model parameter values are obtained from fits to consecutive daily 2-year period returns of S&P...
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| Veröffentlicht in: | Annals of operations research Jg. 299; H. 1-2; S. 1397 - 1410 |
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| Hauptverfasser: | , , |
| Format: | Journal Article |
| Sprache: | Englisch |
| Veröffentlicht: |
New York
Springer US
01.04.2021
Springer Springer Nature B.V |
| Schlagworte: | |
| ISSN: | 0254-5330, 1572-9338 |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | This paper reports a new methodology and results on the forecast of the numerical value of the fat tail(s) in asset returns distributions using the irrational fractional Brownian motion model. Optimal model parameter values are obtained from fits to consecutive daily 2-year period returns of S&P500 index over [1950–2016], generating 33-time series estimations. Through an econometric model, the kurtosis of returns distributions is modelled as a function of these parameters. Subsequently an auto-regressive analysis on these parameters advances the modelling and forecasting of kurtosis and returns distributions, providing the accurate shape of returns distributions and measurement of Value at Risk. |
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| Bibliographie: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 |
| ISSN: | 0254-5330 1572-9338 |
| DOI: | 10.1007/s10479-019-03305-z |