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interdependence and contemporaneously correlated innovations (vector MEM or vMEM). We suggest copula functions to link Gamma marginals … simultaneously estimated. Results with realized volatility, volumes and number of trades of the JNJ stock show that significantly …
Persistent link: https://www.econbiz.de/10011654447
There is a growing literature on the realized volatility (RV) forecasting of asset returns using high-frequency data. We explore the possibility of forecasting RV with factor analysis; once considering the significant jumps. A real high-frequency financial data application suggests that the...
Persistent link: https://www.econbiz.de/10010678826
enables to examine simultaneous dependencies between them. Proposed models are compared with benchmark GARCH and range …-based GARCH (RGARCH) models in terms of prediction accuracy. All models are estimated with maximum likelihood method, using time …
Persistent link: https://www.econbiz.de/10011170258
The forecasting of variance-covariance matrices is an important issue. In recent years an increasing body of literature has focused on multivariate models to forecast this quantity. This paper develops a nonparametric technique for generating multivariate volatility forecasts from a weighted...
Persistent link: https://www.econbiz.de/10008694508
The paper makes a critical assessment of the Principal Components-GARCH (PC-GARCH) model and argues why, when dealing … computational efforts are significant. PC-GARCH not only provides a method that allows for simpler volatility modeling, reducing …
Persistent link: https://www.econbiz.de/10010553158
Modelling covariance structures is known to suffer from the curse of dimensionality. In order to avoid this problem for forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures that accommodates asymmetry and long memory....
Persistent link: https://www.econbiz.de/10010907411
Modelling covariance structures is known to suffer from the curse of dimensionality. In order to avoid this problem for forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures that accommodates asymmetry and long memory....
Persistent link: https://www.econbiz.de/10011162551
Modelling covariance structures is known to suffer from the curse of dimensionality. In order to avoid this problem for forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures that accommodates asymmetry and long memory....
Persistent link: https://www.econbiz.de/10011272593
Modelling covariance structures is known to suffer from the curse of dimensionality. In order to avoid this problem for forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures that accommodates asymmetry and long memory....
Persistent link: https://www.econbiz.de/10010259630
Many ways exist to measure and model financial asset volatility. In principle, as the frequency of the data increases, the quality of forecasts should improve. Yet, there is no consensus about a "true" or "best" measure of volatility. In this paper we propose to jointly consider absolute daily...
Persistent link: https://www.econbiz.de/10005812865