Returns to Buying Winners and Selling Losers: Implications for Stock Market Efficiency

Returns to Buying Winners and Selling Losers: Implications for Stock Market Efficiency

  • NARASIMHAN JEGADEESH
  • SHERIDAN TITMAN

Article first published online: 30th April 2012 DOI: 10.1111/j.1540-6261.1993.tb04702.x

Abstract


This paper documents that strategies which buy stocks that have performed well in the past and sell stocks that have performed poorly in the past generate significant positive returns over 3‐to 12‐month holding periods. We find that the profitability of these strategies are not due to their systematic risk or to delayed stock price reactions to common factors. However, part of the abnormal returns generated in the first year after portfolio formation dissipates in the following two years. A similar pattern of returns around the earnings announcements of past winners and losers is also documented.

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