The good news in short interest |
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Authors: | Ekkehart Boehmer Zsuzsa R. Huszar Bradford D. Jordan |
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Affiliation: | 1. Lundquist College of Business, University of Oregon, Eugene, OR 97403-1208, USA;2. EDHEC-Risk/EDHEC Business School, 06202 Nice cedex 3, France;3. NUS Business School, National University of Singapore, 117592, Singapore;4. College of Business Administration, California State Polytechnic University, Pomona, CA 91768, USA;5. Gatton College of Business and Economics, University of Kentucky, Lexington, KY 40506, USA |
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Abstract: | Stocks with relatively high short interest subsequently experience negative abnormal returns, but the effect can be transient and of debatable economic significance. In contrast, relatively heavily traded stocks with low short interest experience both statistically and economically significant positive abnormal returns. These positive returns are often larger (in absolute value) than the negative returns observed for heavily shorted stocks. Thus, the positive information associated with low short interest, which is publicly available, is only slowly incorporated into prices, which raises a broader market efficiency issue. Our results also cast doubt on existing theories of the impact of short sale constraints. |
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Keywords: | G12 G14 |
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