Portfolio optimization based on downside risk: a mean-semivariance efficient frontier from Dow Jones blue chips

David Pla-Santamaria and M. Bravo

Annals of Operations Research, 2013, vol. 205, issue 1, 189-201

Abstract: To create efficient funds appealing to a sector of bank clients, the objective of minimizing downside risk is relevant to managers of funds offered by the banks. In this paper, a case focusing on this objective is developed. More precisely, the scope and purpose of the paper is to apply the mean-semivariance efficient frontier model, which is a recent approach to portfolio selection of stocks when the investor is especially interested in the constrained minimization of downside risk measured by the portfolio semivariance. Concerning the opportunity set and observation period, the mean-semivariance efficient frontier model is applied to an actual case of portfolio choice from Dow Jones stocks with daily prices observed over the period 2005–2009. From these daily prices, time series of returns (capital gains weekly computed) are obtained as a piece of basic information. Diversification constraints are established so that each portfolio weight cannot exceed 5 per cent. The results show significant differences between the portfolios obtained by mean-semivariance efficient frontier model and those portfolios of equal expected returns obtained by classical Markowitz mean-variance efficient frontier model. Precise comparisons between them are made, leading to the conclusion that the results are consistent with the objective of reflecting downside risk. Copyright Springer Science+Business Media New York 2013

Keywords: Banking management and funds; Portfolio selection; Downside risk; Efficient frontiers; Semivariance; Dow Jones (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (18)

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DOI: 10.1007/s10479-012-1243-x

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