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Valor en riesgo anual de los mercados accionarios de México y Estados Unidos: VaR tradicional vs VaR cópulas elípticas

Author

Listed:
  • Bucio, Christian

    (Universidad Autónoma del Estado de México)

  • De Jesús, Raul

    (Universidad Autónoma del Estado de México)

  • Cabello, Alejandra

    (Universidad Nacional Autónoma de México)

Abstract

Los vínculos económico financieros entre países vecinos son indiscutibles, en este sentido, es de primordial importancia analizar los riesgos implícitos para una mejor toma de decisiones. En la presente investigación el riesgo se mide mediante las pérdidas potenciales del Valor en Riesgo (VaR) entre los mercados accionarios de México y Estados Unidos. Se utilizan diversas metodologías tradicionales del VaR: VaR Delta-Normal, VaR Simulación Histórica, y VaR Simulación Monte Carlo; a su vez, se contrastan con la metodología del VaR Cópulas Elípticas, que dadas sus características, estima de manera más precisa los eventos extremos inherentes de los rendimientos de los precios de los mercados accionarios. El período de análisis comprende 40 años (1975-2014) de series de tiempo diarias, las cuales son segmentadas para su análisis en periodos anuales. La muestra de estudio de los mercados accionarios comprende a los índices bursátiles de México (IPC) y Estados Unidos (S&P 500). La evidencia empírica identifica cómo varían, a través del tiempo, los patrones de pérdidas potenciales entre los mercados accionarios bajo análisis. Asimismo, comprueba la precisión y robustez de la medición del VaR mediante la metodología de cópula, la cual está dirigida a capturar la no linealidad y por ende a no subestimar las pérdidas. / Economical and financial links between neighboring countries are undeniable, in this sense, it is of paramount importance to analyze the implied risks to improve the decision making process. In this research risk is measured through the potential loss of Value-at-Risk (VaR) between Mexican and USA stock markets. Different traditional VaR methodologies are used, such as Delta-Normal VaR, Historical Simulation VaR, and Monte Carlo Simulation VaR, these in turn are verified against the Elliptic Copulas VaR methodology, which estimates more accurately inherent extreme events of the stock market prices returns. The analysis considers daily time series data during 40 years, from 1975 to 2014; these are divided into segments to carry out a yearly analysis. The stock markets sample includes the Mexican (IPC) and USA (S&P 500) stock indexes. The empirical evidence identifies the variation over time of potential losses patterns of the stock markets being analyzed. Additionally, it verifies the precision and robustness of VaR measurement through the copula methodology which aims to capture the non-linearity and therefore avoids the underestimation of the losses.Classification-JEL: C02, C15, C52, G11, G15.

Suggested Citation

  • Bucio, Christian & De Jesús, Raul & Cabello, Alejandra, 2016. "Valor en riesgo anual de los mercados accionarios de México y Estados Unidos: VaR tradicional vs VaR cópulas elípticas," Estocástica: finanzas y riesgo, Departamento de Administración de la Universidad Autónoma Metropolitana Unidad Azcapotzalco, vol. 6(1), pages 83-114, enero-jun.
  • Handle: RePEc:sfr:efruam:v:6:y:2016:i:1:p:83-114
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    File URL: http://zaloamati.azc.uam.mx/bitstream/handle/11191/4279/EFR_6_1_4_VaR-Copulas.pdf?sequence=3&isAllowed=y
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    More about this item

    Keywords

    Valor en Riesgo; mercados de capitales; cópulas; Value at Risk; Stock Markets; Copulas.;
    All these keywords.

    JEL classification:

    • C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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