Bivariate volatility modeling with high-frequency data

Marius Matei, Xari Rovira, Nüria Agell

Producción científica: Artículo en revista indizadaArtículorevisión exhaustiva

4 Citas (Scopus)

Resumen

We propose a methodology to include night volatility estimates in the day volatility modeling problem with high-frequency data in a realized generalized autoregressive conditional heteroskedasticity (GARCH) framework, which takes advantage of the natural relationship between the realized measure and the conditional variance. This improves volatility modeling by adding, in a two-factor structure, information on latent processes that occur while markets are closed but captures the leverage effect and maintains a mathematical structure that facilitates volatility estimation. A class of bivariate models that includes intraday, day, and night volatility estimates is proposed and was empirically tested to confirm whether using night volatility information improves the day volatility estimation. The results indicate a forecasting improvement using bivariate models over those that do not include night volatility estimates.

Idioma originalInglés
Número de artículo41
PublicaciónEconometrics
Volumen7
N.º3
DOI
EstadoPublicada - sept 2019
Publicado de forma externa

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