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This paper applies the model confidence sets (MCS) procedure to a set of volatility models. A MSC is analogous to a … fifty-five volatility models, and the MCS includes about a third of these when evaluated by mean square error, whereas the …
Persistent link: https://www.econbiz.de/10014048659
This study predicts stock market volatility and applies them to the standard problem in finance, namely, asset … predictive performance relative to the standard volatility models. Furthermore, we construct volatility timing portfolios and …
Persistent link: https://www.econbiz.de/10013404229
The sum of squared intraday returns provides an unbiased and almost error-free measure of ex-post volatility. In this … paper we develop a nonlinear Autoregressive Fractionally Integrated Moving Average (ARFIMA) model for realized volatility …, which accommodates level shifts, day-of-the-week effects, leverage effects and volatility level effects. Applying the model …
Persistent link: https://www.econbiz.de/10011335205
varılmaktadır. The study aims to augment commonly applied volatility models with support vector machines and neural networks. The … returns in Istanbul ISE100 stock index. Results suggest that volatility clustering, asymmetry and nonlinearity characteristics …
Persistent link: https://www.econbiz.de/10013086361
while adjusting for the volatility risk premium. Relative model performance does not change during the global financial …
Persistent link: https://www.econbiz.de/10012915984
frequency volatilities and correlations ; Dynamic conditional correlation ; Spline-GARCH ; Idiosyncratic volatility ; Long …
Persistent link: https://www.econbiz.de/10003821063
The contributions of error distributions have been ignored while modeling stock market volatility in Nigeria and … studies have shown that the application of appropriate error distribution in volatility model enhances efficiency of the model … asymmetric volatility models each in Normal, Student's-t and generalized error distributions with the view to selecting the best …
Persistent link: https://www.econbiz.de/10011489480
empirical application aiming at comparing estimates and predictions of the volatility of financial asset returns. The Dynamic …
Persistent link: https://www.econbiz.de/10003376231
broadly, our study dispels the notion that volatility is not forecastable at long horizons and offers an approach that …
Persistent link: https://www.econbiz.de/10011976983
In this paper, we study the methods of combining different volatility forecasts using various GARCH models. Given that … the major risk exposure for many investors in energy is the volatility of the electricity price, our motivation stems from … the fact that there is no single best model for forecasting such volatility. Ample evidence suggests that most of the …
Persistent link: https://www.econbiz.de/10012841582