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Journal of Finance Vol. 45 No. 3 1990

Evidence of Predictable Behavior of Security Returns

Narasimhan Jegadeesh

University of California, Los Angeles. I would like to thank Michael Brennan, Bradford DeLong, Peter Frost, Bruce Lehmann, Suresh Sundaresan, Sheridan Titman, and Arthur Warga and particularly David Modest for helpful comments. I am solely responsible for all remaining errors

Abstract

This paper presents new empirical evidence of predictability of individual stock returns. The negative first‐order serial correlation in monthly stock returns is highly significant. Furthermore, significant positive serial correlation is found at longer lags, and the twelve‐month serial correlation is particularly strong. Using the observed systematic behavior of stock returns, one‐step‐ahead return forecasts are made and ten portfolios are formed from the forecasts. The difference between the abnormal returns on the extreme decile portfolios over the period 1934–1987 is 2.49 percent per month .

DOI
10.1111/j.1540-6261.1990.tb05110.x
Volume
45
Issue
3
Pages
881-898
Language
en
Sources
openalex crossref

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