This paper investigates the performance of the contrarian investment strategy using the CAPM and APT. The results from multivariate tests of structural changes based on the CAPM show that the systematic risks of contrarian portfolios are not stable over time. In addition, the mean-variance efficiency of two market indexes, equal-weighted and value-weighted, cannot be rejected. This confirms Chan's (1988) findings that the abnormal returns documented in previous studies can be attributed to changes in systematic risks of the contrarian stocks. Using the asymptotic principal components technique to extract the APT factors and subsequently running regressions of contrarian stock returns on those factors, we find that the APT models explain the returns of contrarian stocks very well. The empirical results suggest that the contrarian investment strategy does not outperform the market, and the CAPM and the APT work equally well in evaluating the contrarian performance.
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Paper provided by EconWPA in its series Finance with number
9307001.
Length: Date of creation: 22 Jul 1993 Date of revision:
25 Jul 1993 Handle: RePEc:wpa:wuwpfi:9307001
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Dybvig, Philip H & Ross, Stephen A, 1985.
" Yes, the APT Is Testable,"
Journal of Finance,
American Finance Association, vol. 40(4), pages 1173-88, September.
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