Adaptive universal portfolios

Patrick O'Sullivan and David Edelman

The European Journal of Finance, 2015, vol. 21, issue 4, 337-351

Abstract: In this article, we consider Cover's universal portfolio and the problem of multi-period investment in a nonparametric setting. We show that Cover's universal portfolio is equivalent to a Bayes estimator of the optimal growth portfolio. However, as noted by Cover, it can take a long time for the universal portfolio to produce significant growth. Therefore, we propose the adaptive universal portfolio, which retains much of the qualitative nature of Cover's universal portfolio while enhancing early performance. An empirical study is carried out over a range of exchange traded funds over a 5 year period, which exhibits the enhanced early performance generated by the adaptive universal portfolio.

Date: 2015
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Citations: View citations in EconPapers (6)

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DOI: 10.1080/1351847X.2013.788534

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