Empirical evidence of jump behavior in the Colombian bond market
Empirical evidence of jump behavior in the Colombian bond market
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La incorporación de procesos con saltos en la modelación de precios se ha demostrado que mejora el pronóstico de volatilidad, la valoración de activos y las coberturas de un portafolio. El estudio encuentra que en el mercado local de bonos soberanos de Colombia se observan saltos en la formación de precios a lo largo de toda la curva, con diferentes intensidades. Contrario a lo esperado, no se identifica una frecuencia de saltos menor en los bonos de largo plazo en comparación con los bonos de corto plazo. Además, se encuentra que los bonos con periodos de maduración similares tienen una mayor frecuencia de saltos en comparación con aquellos que tienen periodos al vencimiento más distantes. Esto indica una relación entre la proximidad en los periodos de maduración y la ocurrencia de saltos en los precios de los bonos soberanos. En cuanto a las estacionalidades, se encuentran patrones semanales persistentes en la frecuencia de los saltos. Asimismo, se observan aumentos significativos en la frecuencia de los saltos asociados a sorpresas en la información económica que afecta la política monetaria de Estados Unidos. Sin embargo, no se encuentran efectos similares asociados a anuncios específicos de política monetaria interna.
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