Efficiency and price clustering in Islamic stocks: evidence from three Asian countries

Júlio Lobão

Journal of Islamic Accounting and Business Research, 2023, vol. 15, issue 1, 136-152

Abstract: Purpose - This paper aims to examine the extent of price clustering in a selection of Islamic stocks listed in Indonesia, Malaysia and Pakistan and also investigates the determinants of the phenomenon at the firm level. Design/methodology/approach - The author test the uniformity of price distribution in the selected securities. Then, the determinants of price clustering were investigated through multivariate analysis based on a binary logistic regression model. Following the arguments of Narayanet al.(2011), who emphasize the importance of considering firm heterogeneity when studying the phenomenon, the author conducts the empirical study at the firm level. Findings - The evidence indicates that Islamic stocks show a mild level of price clustering. Only half of the stocks under analysis rejected the uniformity test in the distribution of prices. In these cases, investors exhibited a preference for prices ending at zero and five. The evidence does not confirm the cultural clustering theories. Price clustering is found to be positively associated with price level and relative bid-ask spread. Overall, the negotiation hypothesis, which predicts that investors prefer round prices to minimize the costs associated with negotiations, best explains most of our results. Research limitations/implications - The existence of price clustering is difficult to reconcile with the prediction of the efficient market hypothesis that prices should follow a random walk. Moreover, the evidence indicates that Muslim investors share a preference for round prices in some settings, under the assumption that Islamic stocks are mostly traded by Muslim investors. Originality/value - To the author’s best knowledge, this is the first study to address the subject of price clustering in Islamic stocks.

Keywords: Price clustering; Islamic stocks; Stock market efficiency; Indonesia; Malaysia; Pakistan; G12; G14; G15 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jiabrp:jiabr-05-2022-0140

DOI: 10.1108/JIABR-05-2022-0140

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