Differential evolution and combinatorial search for constrained index-tracking
Stefan Mittnik and
Sandra Paterlini ()
Annals of Operations Research, 2009, vol. 172, issue 1, 153-176
Index-tracking is a low-cost alternative to active portfolio management. The implementation of a quantitative approach, however, is a major challenge from an optimization perspective. The optimal selection of a group of assets that can replicate the index of a much larger portfolio requires both to find the optimal subset of assets and to fine-tune their weights. The former is a combinatorial, the latter a continuous numerical problem. Both problems need to be addressed simultaneously, because whether or not a selection of assets is promising depends on the allocation weights and vice versa. Moreover, the problem is usually of high dimension. Typically, an optimal subset of 30–150 positions out of 100–600 need to be selected and their weights determined. Search heuristics can be a valuable alternative to traditional methods, which often cannot deal with the problem. In this paper, we propose a new optimization method, which is partly based on Differential Evolution (DE) and on combinatorial search. The main advantage of our method is that it can tackle the index-tracking problem as complex as it is, generating accurate and robust results. Copyright Springer Science+Business Media, LLC 2009
Keywords: Index-tracking; Passive asset management; Differential evolution; Combinatorial search (search for similar items in EconPapers)
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Working Paper: Differential Evolution and Combinatorial Search for Constrained Index Tracking (2009)
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Persistent link: https://EconPapers.repec.org/RePEc:spr:annopr:v:172:y:2009:i:1:p:153-176:10.1007/s10479-009-0552-1
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