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¿Realidad o sofisma? Poniendo a prueba el análisis técnico en las acciones colombianas

Author

Listed:
  • Diego Alonso Agudelo Rueda
  • Jorge Hernán Uribe E.

Abstract

Resumen:Tal como predice la hipótesis de eficiencia débil de mercado, la evidencia empírica de esta investigación respalda el supuesto de que no es posible obtener beneficios económicos significativos y estadísticamente robustos al implementar estrategias de inversión basadas en díez reglas de Análisis técnico (medias móviles, filtros optimizados y ocho estrategias de velas japonesas), en 19 acciones colombianas. A diferencia de otras investigaciones similares, este estudio implementa pruebas a nivel de estrategias de inversión y no de autocorrelaciones, e incorpora pruebas "out-of-sample" para evitar Data snooping", consideraciones de costos de transacción, y estimación de significancia estadística de la rentabilidad de las reglas con el uso de la metodología Bootstrapping.Es de anotar que en algunos pocos casos las reglas presentan rendimientos en exceso sobre la estrategia pasiva, pero no de una manera tanto estable como estadísticamente significativa. Abstract:As posed by the weak version of market efficiency, the empirical evidence of this paper shows that is not possible to obtain significant and statistically robust economic benefits when trading on ten technical rules (moving average, filters and eight Japanese candlesticks), in 19 Colombian stocks. Unlike ot her investigations, this study applied "out-of-sample" tests to avoid "Data snooping", estimations of transaction costs, and statistical significance tests based on Bootstrapping. In a few cases these strategies yielded excess returns over a passive strategy, but neither stable nor significant. "

Suggested Citation

  • Diego Alonso Agudelo Rueda & Jorge Hernán Uribe E., 2009. "¿Realidad o sofisma? Poniendo a prueba el análisis técnico en las acciones colombianas," Documentos de Trabajo de Valor Público 10651, Universidad EAFIT.
  • Handle: RePEc:col:000122:010651
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    More about this item

    Keywords

    Data snooping; análisis técnico; mercado accionario colombiano; eficiencia de mercado; Simulación; Bootstrapping; Technical analysis; Colombian stock market; marketefficiency; simulation;
    All these keywords.

    JEL classification:

    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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