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Una aplicación del modelo EGARCH para estimar la volatilidad de series financieras

Authors: Fernández Castaño, Horacio;

Una aplicación del modelo EGARCH para estimar la volatilidad de series financieras

Abstract

En este artículo, que constituye la segunda de dos entregas, se hace una aplicación del modelo asimétrico EGARCH para estudiar la dinámica del índice general de la bolsa de valores de Colombia (IGBC) y de su volatilidad. En la primera entrega se hizo una breve revisión del modelo GARCH, y se mostró su importancia en la modelación de series de tiempo financieras. Asimismo, se identificaron sus debilidades en cuanto a su propiedad de simetría para las distribuciones de colas gruesas y que pueden generar errores de predicción. Aquí se muestra la aplicación, en la que los resultados obtenidos sugieren que el modelo EGARCH puede ser mejor para capturar los hechos estilizados del comportamiento del mercado colombiano. Es significativo, como consecuencia, evidenciar la importancia de los modelos asimétricos para estimar la volatilidad de series.

Country
Colombia
Related Organizations
Keywords

volatility, asimétrico, volatilidad, effect of supporting, bolsa de valores - Colombia, asymmetric, efecto de apalancamiento, IGBC, EGARCH

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green