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Pairwise Correlations


Tarun Chordia


Emory University - Department of Finance

Amit Goyal


University of Lausanne; Swiss Finance Institute

Qing Tong


Singapore Management University - School of Business

April 2011


Abstract:     
Pairwise stock correlations increase by 27% on average when stock returns are negative. It is trading activity in small stocks that leads to higher correlations when returns are negative. We provide evidence consistent with the hypothesis that co-ordinated selling by retail investors drives this asymmetry in correlations. The co-ordinated selling activity by retail investors is triggered by negative market returns.

Number of Pages in PDF File: 33

Keywords: Asymmetric Correlations, Downside correlations, Retail Investors

JEL Classification: G12, G14

working papers series


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Date posted: March 15, 2011 ; Last revised: August 19, 2011

Suggested Citation

Chordia, Tarun, Goyal, Amit and Tong, Qing, Pairwise Correlations (April 2011). Available at SSRN: http://ssrn.com/abstract=1785390 or http://dx.doi.org/10.2139/ssrn.1785390

Contact Information

Tarun Chordia (Contact Author)
Emory University - Department of Finance ( email )
Atlanta, GA 30322-2710
United States
404-727-1620 (Phone)
404-727-5238 (Fax)
Amit Goyal
University of Lausanne ( email )
Lausanne, 1015
Switzerland
Swiss Finance Institute ( email )
c/o University of Geneve
40, Bd du Pont-d'Arve
1211 Geneva, CH-6900
Switzerland
Qing Tong
Singapore Management University - School of Business ( email )
50 Stanford Road
Singapore, 178899
Singapore
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