Positive feedback trading: evidence from futures markets

Antonios Antoniou, Gregory Koutmos and Gioia Pescetto

Global Business and Economics Review, 2011, vol. 13, issue 1, 13-25

Abstract: Shiller (1990) hypothesises that the positive feedback mechanism in financial markets may exhibit longer memory in the sense that feedback may operate over long time intervals. This paper tests the Shiller hypothesis using data from major index futures markets. The analysis is based on a modified dynamic capital asset pricing model that assumes two types of investors: 1) expected utility maximisers; 2) positive feedback traders who sell during market declines and buy during market advances. According to the model, the interaction of the two groups induces negative time varying autocorrelation. There is some evidence of time-varying negative autocorrelation, consistent with the notion that some participants engage in positive feedback trading. Moreover, the feedback mechanism exhibits persistence in support of Shiller's (1990) hypothesis.

Keywords: feedback trading; index futures; feedback persistence; financial markets; dynamic capital asset pricing; Shiller; futures markets. (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (4)

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