Activist Short-Selling

60 Pages Posted: 19 Oct 2016 Last revised: 4 Jan 2017

Wuyang Zhao

University of Toronto, Rotman School of Management, Accounting

Date Written: January 3, 2017

Abstract

This is the first large-sample study on the determinants and consequences of activist short-selling – a unique form of short-selling in which short-sellers publicly “talk down” stocks to benefit their short positions. Combining information from Seeking Alpha and Activist Shorts Research, I collect more than 6,000 activist short-selling cases against listed companies from 2006 to 2015. I find that (1) activist short-selling leads to much larger market reactions than comparable passive short-selling, (2) activist short-sellers are more likely to target firms with severe overvaluation and uncertainty features, (3) targets’ overvaluation (uncertainty) features are increasingly (decreasingly) important in predicting returns from the short term to the long term, (4) their overvaluation features predict short-selling allegations that focus on valuation issues such as “bubble,” while their uncertainty features predict allegations that sound severe such as “fraud,” and (5) uncertainty features also predict targets’ likelihood to respond to allegations.

Keywords: Activist Short-Selling, Overvaluation, Uncertainty, Determinants, Market Reactions

JEL Classification: G14, M40

Suggested Citation

Zhao, Wuyang, Activist Short-Selling (January 3, 2017). Rotman School of Management Working Paper. Available at SSRN: https://ssrn.com/abstract=2852041 or http://dx.doi.org/10.2139/ssrn.2852041

Wuyang Zhao (Contact Author)

University of Toronto, Rotman School of Management, Accounting ( email )

Toronto, Ontario
Canada

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