Short interest and stock price crash risk; the relation between short interest and crash risk is driven by bad news hoarding and is more salient for firms with weak governance mechanisms, excessive risk-taking behavior, and high information asymmetry between managers and shareholders

http://www.sciencedirect.com.libproxy.smu.edu.sg/science/article/pii/S0378426615002204

Journal of Banking & Finance Volume 60, November 2015, Pages 181–194

Short interest and stock price crash risk

Jeffrey L. Callena, Xiaohua Fangb, , 

Highlights

  • We find evidence that short interest is positively related to future crash risk.
  • The evidence is in line with the view that short sellers detect bad news hoarding.
  • Additional findings show that the relation is more salient for specific subsamples.
  • Empirical support is provided for the main relation observed above.

Abstract

Using a large sample of U.S. public firms, we find robust evidence that short interest is positively related to one-year ahead stock price crash risk. The evidence is consistent with the view that short sellers are able to detect bad news hoarding by managers. Additional findings show that the positive relation between short interest and future crash risk is more salient for firms with weak governance mechanisms, excessive risk-taking behavior, and high information asymmetry between managers and shareholders. Empirical support is provided showing that the relation between short interest and crash risk is driven by bad news hoarding.

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