Calendar anomalies in stock market returns: Evidence from Middle East countries

Ali A. Shehadeh and Min Zheng

International Review of Economics & Finance, 2023, vol. 88, issue C, 962-980

Abstract: Using GJR-GARCH (1,1) techniques, we investigate seasonality in stock market returns of seven Middle East countries. We investigate the calendar time anomalies of the day-of-the-week, the-month-of-the-year, the turn-of-the-month effect and the half-month effect. All stock markets of our sample exhibit significant evidence on all or most of the considered anomalies. The paper contributes to our understanding of calendar anomalies by providing an out-of-sample test through considering stock markets and sample periods which have not been examined thoroughly and sufficiently before. In addition, the paper provides further insights and evidence on the nature, existence and persistence of the seasonal patterns in emerging stock market returns. Overall, our results contradict the efficient market hypothesis (EMH). The results suggest that calendar anomalies remain prominent challenge to the EMH and its implications.

Keywords: Calendar anomalies; Efficient market hypothesis; Emerging stock markets; Middle East stock markets; GJR-GARCH (search for similar items in EconPapers)
JEL-codes: G11 G12 G14 G15 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reveco:v:88:y:2023:i:c:p:962-980

DOI: 10.1016/j.iref.2023.07.013

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