The Efficiency Market Theory: A Case of Commercial Banks Stocks in Nigeria

Ekundayo Mesagan and Amadi Nkem Agatha ()
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Amadi Nkem Agatha: Department of Economics University of Lagos

Ovidius University Annals, Economic Sciences Series, 2017, vol. XVII, issue 2, 583-587

Abstract: This study focused on testing the efficient market theory in Nigeria. The quest to stimulate research interest in testing this theory using the stock price before announcement of dividends and the stock price after the announcement of dividends motivates the conduct of this study. To this end, a pilot experiment is conducted using the stock prices of five commercial banks that are listed on the Nigerian Stock Exchange market. The sample are selected based on the fact that the selected banks have concluded their financial year on or before the end of September 2017. In the result, it was observed that that announcement did not make any significant difference between the stock prices in the banking sector in Nigeria and therefore conclude that the efficient market theory does not hold in the Nigerian Stock Exchange market. We recommend that there should be consistent sensitization of investors by banks listed on the Nigerian Stock Exchange market and stock broking firms to guide them in making informed investment decisions make it difficult for individual investors and agents to ‘beat the market’.

Keywords: Efficient Market Theory; Stock Price; Commercial Banks; Nigeria Stock Exchange (search for similar items in EconPapers)
JEL-codes: C22 G14 H54 P34 (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (8)

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