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Skewness In Individual Stocks At Different Frequencies

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  • Amado Peiró

    (Universitat de València)

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    Abstract

    This paper examines the (a)symmetry of twenty-four individual stock returns at different frequencies: daily, weekly and monthly. While some asymmetries are observed in daily returns, they disappear almost completely at lower frequencies. The explanation for this fact lies in the convergence to normality that takes place when frequency decreases. These features allow one to question several financial models; in particular, they question the preference for positive skewness as a factor for investments in stock markets. Este artículo examina la (a)simetría de las rentabilidades de veinticuatro valores individuales para diferentes frecuencias: diaria, semanal y mensual. Aunque se observan algunas asimetrías en las rentabilidades diarias, éstas desaparecen casi completamente en frecuencias menores. La explicación a este fenómeno reside en la convergencia a la normalidad que se produce al disminuir la frecuencia. Estos hechos cuestionan varios modelos financieros; en concreto cuestionan la preferencia por la asimetría positiva como un factor de inversión en los mercados de acciones.

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    File URL: http://www.ivie.es/downloads/docs/wpasec/wpasec-2001-07.pdf
    File Function: Fisrt version / Primera version, 2001
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    Bibliographic Info

    Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie EC with number 2001-07.

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    Length: 18 pages
    Date of creation: Mar 2001
    Date of revision:
    Publication status: Published by Ivie
    Handle: RePEc:ivi:wpasec:2001-07

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    Related research

    Keywords: Diversificación; simetría. Diversification; skewness; symmetry.;

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    References

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    1. Alles, Lakshman A & Kling, John L, 1994. "Regularities in the Variation of Skewness in Asset Returns," Journal of Financial Research, Southern Finance Association & Southwestern Finance Association, vol. 17(3), pages 427-38, Fall.
    2. Garrett, Thomas A. & Sobel, Russell S., 1999. "Gamblers favor skewness, not risk: Further evidence from United States' lottery games," Economics Letters, Elsevier, vol. 63(1), pages 85-90, April.
    3. Conine, Thomas E, Jr & Tamarkin, Maurry, J, 1981. "On Diversification Given Asymmetry in Returns," Journal of Finance, American Finance Association, vol. 36(5), pages 1143-55, December.
    4. Brennan, M J, 1979. "The Pricing of Contingent Claims in Discrete Time Models," Journal of Finance, American Finance Association, vol. 34(1), pages 53-68, March.
    5. Corrado, Charles J & Su, Tie, 1996. "Skewness and Kurtosis in S&P 500 Index Returns Implied by Option Prices," Journal of Financial Research, Southern Finance Association & Southwestern Finance Association, vol. 19(2), pages 175-92, Summer.
    6. He, Hua & Leland, Hayne, 1993. "On Equilibrium Asset Price Processes," Review of Financial Studies, Society for Financial Studies, vol. 6(3), pages 593-617.
    7. Chunhachinda, Pornchai & Dandapani, Krishnan & Hamid, Shahid & Prakash, Arun J., 1997. "Portfolio selection and skewness: Evidence from international stock markets," Journal of Banking & Finance, Elsevier, vol. 21(2), pages 143-167, February.
    8. Kraus, Alan & Litzenberger, Robert H, 1976. "Skewness Preference and the Valuation of Risk Assets," Journal of Finance, American Finance Association, vol. 31(4), pages 1085-1100, September.
    9. C. J. Corrado & Tie Su, 1997. "Implied volatility skews and stock return skewness and kurtosis implied by stock option prices," The European Journal of Finance, Taylor & Francis Journals, vol. 3(1), pages 73-85.
    10. Arditti, Fred D & Levy, Haim, 1975. "Portfolio Efficiency Analysis in Three Moments: The Multiperiod Case," Journal of Finance, American Finance Association, vol. 30(3), pages 797-809, June.
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