Volume and Autocovariances in Short‐Horizon Individual Security Returns

  • Author(s): JENNIFER S. CONRAD, ALLAUDEEN HAMEED, CATHY NIDEN
  • Published: Apr 30, 2012
  • Pages: 1305-1329
  • DOI: 10.1111/j.1540-6261.1994.tb02455.x

ABSTRACT

This article tests for the relations between trading volume and subsequent returns patterns in individual securities' short‐horizon returns that are suggested by such articles as Blume, Easley, and O'Hara (1994) and Campbell, Grossman, and Wang (1993). Using a variant of Lehmann's (1990) contrarian trading strategy, we find strong evidence of a relation between trading activity and subsequent autocovariances in weekly returns. Specifically, high‐transaction securities experience price reversals, while the returns of low‐transactions securities are positively autocovarying. Overall, information on trading activity appears to be an important predictor of the returns of individual securities.

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