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Optimal strategies under Omega ratio

Carole Bernard, Steven Vanduffel and Jiang Ye

European Journal of Operational Research, 2019, vol. 275, issue 2, 755-767

Abstract: We study portfolio selection under the objective of maximizing the Omega ratio, proposed by Keating and Shadwick (2002) as an alternative to the Sharpe ratio for performance assessment of investment strategies. We show that in a continuous-time setting of the financial market the problem is ill-posed, i.e., maximizing the Omega ratio leads to excessive risk taking. By imposing additional restrictions we show that the Omega ratio maximizing strategy is still very risky and may coincide with the choice made by risk neutral investors. We conclude that caution is needed when using the Omega ratio for making asset allocation decisions.

Keywords: Investment analysis; Optimal portfolio choice; Omega ratio; Ill-posedness; Performance measurement (search for similar items in EconPapers)
Date: 2019
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