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.

This study tests two opposing views of institutional investors—monitoring versus short-termism. We present evidence that institutional investor stability is negatively associated with 1-year-ahead stock price crash risk, consistent with the monitoring theory of institutional investors but not the short-termism theory. Our findings are shown to be robust to alternative empirical specifications, estimation methods and endogeneity concerns. In addition, we find that institutional ownership by public pension funds (bank trusts, investment companies, and independent investment advisors) is significantly negatively (positively) associated with future crash risk, consistent with findings that pension funds more actively monitor management than other types of institutions.