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Skewness in Financial Returns: Evidence from the Portuguese Stock Market (in English)

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  • Carlos MACHADO-SANTOS

    (UTAD University, Apartado, Portugal)

  • Ana Cristina FERNANDES

    (University of Minho, Braga, Portugal)

Abstract

This paper addresses the issue of symmetry in financial returns. The return distributions of the major stocks traded on the Portuguese market and included in the PSI-20 Index are examined for periods from four to nine years. The results show that the symmetry of the returns is rejected against several alternative distributions. Statistically significant differences between returns below and above the mean are detected, which provides additional evidence of skewness in the return distributions. In addition, as observed in other studies, it is interesting to note that such results are similar to other low-capitalization and low-volume markets, which also exhibit asymmetric return distributions.

Suggested Citation

  • Carlos MACHADO-SANTOS & Ana Cristina FERNANDES, 2005. "Skewness in Financial Returns: Evidence from the Portuguese Stock Market (in English)," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 55(9-10), pages 460-470, September.
  • Handle: RePEc:fau:fauart:v:55:y:2005:i:9-10:p:460-470
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    References listed on IDEAS

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    Cited by:

    1. Ricardo Pereira, 2007. "The Cost Of Equity Of Portuguese Public Firms: A Downside Risk Approach," Portuguese Journal of Management Studies, ISEG, Universidade de Lisboa, vol. 0(1), pages 7-25.
    2. Li, Xiang & Qin, Zhongfeng & Kar, Samarjit, 2010. "Mean-variance-skewness model for portfolio selection with fuzzy returns," European Journal of Operational Research, Elsevier, vol. 202(1), pages 239-247, April.

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    More about this item

    Keywords

    stock markets; skewness; financial returns;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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