Scholar Info


Glen Larsen

Professor

Kelley School of Business

ude[dot]iupui[at]nesralg

The Information Content of Short Interest


In this paper, we review the mean-variance portfolio theory literature that supports short selling as an active portfolio management tool and the empirical literature that provides evidence of active short sellers having superior information about overpriced securities. What may not be clear is exactly how that information can be detected and analyzed. We, therefore, review the theoretical and empirical literature that investigates the information content of short interest. Finally, we document several methods used by portfolio managers to target short sale candidates.

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