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Profitability of short term reversal strategies on the Johannesburg Stock Exchange
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Short term reversal strategies involve the frequent buying (or selling) of loser (or winner) stocks in order to profit in the short run if prices revert. Several studies report profitability of these strategies while others reject profitability due to trading costs. This study reports profitability of a short term reversal rule when trading in large capitalization Johannesburg Stock Exchange listed stocks, while allowing for trading costs and taking trade execution skills into account. Evaluation of the performance of the rule is done in terms of newly introduced reward and risk measures based on daily cash flows and market exposures respectively