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Montecarlo estructurado. Estimación del valor en riesgo en un portafolio accionario en Colombia

Authors: Vergara Cogollo, María Auxiliadora; Maya Ochoa, Cecilia;

Montecarlo estructurado. Estimación del valor en riesgo en un portafolio accionario en Colombia

Abstract

De acuerdo con el estudio que se presenta, por las características de los activos que lo conforman, el método de Montecarlo Estructurado es el más completo y robusto para la medición del valor en riesgo (VaR) de un portafolio hipotético de acciones colombianas de alta y mediana bursatilidad, en comparación con métodos paramétricos o de simulación histórica. Sin embargo, para su aplicación, es necesaria una cuidadosa modelación del comportamiento de las distintas variables de riesgo. La presencia de colas pesadas en las series de retornos de estos activos obliga al uso de modelos de volatilidad del tipo GARCH, EGARCH, PARCH y APARCH. Se evalúa su capacidad de pronóstico del VaR del periodo siguiente en paralelo con el obtenido por el método Normal. Los modelos tipo Garch pronostican mejor el VaR, puesto que logran capturar el efecto de colas pesadas en las series. Definido el proceso estocástico que siguen los activos, se procede a su cálculo con Montecarlo Estructurado.

Country
Colombia
Related Organizations
Keywords

Garch, riesgo de mercado, Aparch, método Montecarlo Estructurado, VaR, Parch, 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