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The Validity of the Halloween Effect in the Istanbul Stock Exchange

Author

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  • Veli Yilanci

    (Istanbul University)

Abstract

In this study, we analyze the validity of Halloween effect in Istanbul Stock Exchange (ISE) between January 1990 - December 2010 which implies stock returns are lower during the May-October period versus the November-April period. As well as the Least Squares Method, we use Huber’s M-estimator which is a robust estimator against to outliers, and conclude that there is no Halloween effect in the ISE which shows the finding of Bouman and Jacobsen (2002) is due to disregarding outliers.

Suggested Citation

  • Veli Yilanci, 2013. "The Validity of the Halloween Effect in the Istanbul Stock Exchange," Research Journal of Politics, Economics and Management, Sakarya University, Faculty of Economics and Administrative Sciences, vol. 1(1), pages 21-30, January.
    • Handle: RePEc:say:journl:v:1:y:2013:i:1:p:21-30
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    More about this item

    Keywords

    Halloween effect; January effect; outlier; market efficiency;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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