Momentum in the Colombian Stock Market
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Taylor & Francis Group
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Este documento analiza el desempeño bruto y ajustado por riesgo de portafolios de momentum tras la fusión de las bolsas de valores en Colombia en 2001. Hallamos poca evidencia de retornos de momentum significativos posteriores a la fusión. Se obtienen retornos ajustados por riesgo nulos al estimar dos modelos. Se verifican resultados similares en un periodo previo a la crisis financiera, considerando una frecuencia de datos mayor o un número diferente de portafolios. Atribuimos nuestros hallazgos a la existencia de más emisores y accionistas y a una mayor diseminación de información, lo cual dificulta beneficiarse de estudiar patrones de precios.
Resumen
This article analyzes performance of momentum portfolios under different settings and in terms of raw and risk-adjusted returns after the local stock exchanges in Colombia merged in 2001. We found little evidence of significant momentum returns in the post-merger period. Zero risk-adjusted returns remained after estimating two pricing models. Similar results held in a pre-financial crisis period, considering a higher data frequency or a different number of portfolios. We attribute our findings to increased access to issuers and investors and greater information dissemination in the post-merger period, which overall have made profiting from studying historical price patterns more difficult.
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EconomíaNegocios y managementEconomicsBusiness
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Except where otherwised noted, this item's license is described as Atribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)
