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Análisis de recomposición del portafolio accionario por sectores en Colombia basado en Valor en Riesgo entre el Q2 2013-Q2 2014 y Q2 2015-Q2 2016

Author

Listed:
  • Pablo Andrés Garay Rodriguez
  • Peter David Lowy Galvis

Abstract

Dada la coyuntura económica que ha afectado al país durante los últimos tres anos, se busca identificar el cambio de la composición del portafolio accionario en Colombia basado en el listado de acciones que componen el índice COLCAP en dos periodos de tiempo, uno donde se haya presentado un auge en el sector petrolero y otro en el que no. Para ello se hizo uso de tres métodos diferentes de optimización de portafolio utilizando medidas coherentes del riesgo como el CVaR. Los resultados evidencian que ante una coyuntura macroeconómica incierta el riesgo de mercado aumenta y asimismo las decisiones óptimas de inversión se ven afectadas no solo en términos de los sectores económicos involucrados sino en nivel de riesgo que se asume con la inversión. De esta manera, se observa que sectores como el de la construcción y el financiero sirven de refugio para los inversionistas en periodos de incertidumbre, así como activos de empresas con un portafolio de inversión bien diversificado. ****** According to current economic situation that has affected Colombia during last three years, this study looks for identifying the change in the composition of the stock portfolio in Colombia based on COLCAP index using two periods for comparison, one where there has been a boom in the oil sector and another where there is not. In order to achieve this goal, there have been used three methods of portfolio optimization using coherent measures of risk as CVaR. Results not only evidence that market risk raises on crisis periods, but also show optimal investment decisions are affected by risk level assumed according to branches of economic activity involved. By this way, it is clear that construction and financial services serve as refugee to investor in crisis periods, as well as assets of companies with a welldiversified investment portfolio.

Suggested Citation

  • Pablo Andrés Garay Rodriguez & Peter David Lowy Galvis, "undated". "Análisis de recomposición del portafolio accionario por sectores en Colombia basado en Valor en Riesgo entre el Q2 2013-Q2 2014 y Q2 2015-Q2 2016," Vniversitas Económica 15939, Universidad Javeriana - Bogotá.
  • Handle: RePEc:col:000416:015939
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    More about this item

    Keywords

    Acciones; Monte Carlo; Movimiento Browniano; Optimización lineal; Petróleo; Portafolio.******Stocks; Brownian Motion; Monte Carlo; Linear Optimization; Oil; Portfolio.;
    All these keywords.

    JEL classification:

    • A12 - General Economics and Teaching - - General Economics - - - Relation of Economics to Other Disciplines
    • G00 - Financial Economics - - General - - - General
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation

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