Cross-Country Comovement of Momentum Returns

48 Pages Posted: 18 Mar 2004

See all articles by Andy Naranjo

Andy Naranjo

University of Florida - Warrington College of Business Administration

R. Burt Porter

Iowa State University

Date Written: July 2004

Abstract

This paper examines the sources of cross-country comovement of momentum returns over the 1975-2002 period. Using data on more than 16,000 individual firms across 100 industries from 38 countries, we document the profitability of momentum trading strategies using individual firm returns, industry returns, and industry-adjusted returns. We show that country-neutral momentum returns are significantly correlated across countries and are time-varying. We find that although both across-industry and within-industry momentum is profitable in a large number of countries, comovement among industries cannot explain the comovement of country-neutral momentum returns. However, we find that standard risk factor models do explain a significant portion of the cross-country comovement of momentum returns, even though they do not explain average momentum returns.

JEL Classification: G15, G12

Suggested Citation

Naranjo, Andy and Porter, R. Burt, Cross-Country Comovement of Momentum Returns (July 2004). Available at SSRN: https://ssrn.com/abstract=517842 or http://dx.doi.org/10.2139/ssrn.517842

Andy Naranjo

University of Florida - Warrington College of Business Administration ( email )

P.O. Box 117168
Gainesville, FL 32611-7168
United States
352-392-3781 (Phone)

R. Burt Porter (Contact Author)

Iowa State University ( email )

College of Business
3345 Gerdin Business Bldg
Ames, IA 50011-2063
United States
515-294-2612 (Phone)

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