Title
Distributing weights under hierarchical clustering: A way in reducing performance breakdown
Abstract
This paper proposes a clustering asset allocation scheme which provides better risk-adjusted portfolio performance than those obtained from traditional asset allocation approaches such as the equal weight strategy and the Markowitz minimum variance allocation. The clustering criterion used, which involves maximization of the in-sample Sharpe ratio (SR), is different from traditional clustering criteria reported in the literature. Two evolutionary methods, namely Differential Evolution and Genetic Algorithm, are employed to search for such an optimal clustering structure given a cluster number. To explore the clustering impact on the SR, the in-sample and the out-of-sample SR distributions of the portfolios are studied using bootstrapped data as well as simulated paths from the single index market model. It was found that the SR distributions of the portfolios under the clustering asset allocation structure have higher mean values and skewness but approximately the same standard deviation and kurtosis than those in the non-clustered case. Genetic Algorithm is suggested as a more efficient approach than Differential Evolution for the purpose of solving the clustering problem.
Year
DOI
Venue
2011
10.1016/j.eswa.2011.05.052
Expert Syst. Appl.
Keywords
Field
DocType
clustering technique,differential evolution,performance breakdown,optimal clustering structure,genetic algorithm,clustering impact,hierarchical clustering,evolutionary approach,clustering asset allocation structure,clustering problem,asset allocation,clustering asset allocation scheme,markowitz minimum variance allocation,heuristic optimization,clustering criterion,traditional clustering criterion,sharpe ratio,standard deviation,indexation,minimum variance
k-medians clustering,Hierarchical clustering,Canopy clustering algorithm,Mathematical optimization,CURE data clustering algorithm,Correlation clustering,Computer science,Determining the number of clusters in a data set,Differential evolution,Cluster analysis
Journal
Volume
Issue
ISSN
38
12
Expert Systems With Applications
Citations 
PageRank 
References 
0
0.34
3
Authors
2
Name
Order
Citations
PageRank
Jin Zhang100.34
Dietmar Maringer215611.35