Using short sell transactions data from 2010 to 2016, this paper is the first to provide a comprehensive sample of short selling initiated by retail investors. We find that retail short selling can predict negative stock returns. A trading strategy that mimics weekly retail shorting earns an...

Using multiple short sale measures, we examine the predictive power of short sales for future stock returns in 38 countries from July 2006 to December 2014. We find that the days-to-cover ratio and utilization ratio measures have the most robust predictive power for future stock returns in the...

Firm-level monthly short interest is positively and significantly related to the returns of firms that compete in the same product markets. This finding is robust to standard controls and cannot be explained by industry momentum, industry lead-lag relationships, or industry information spillover...