Index Tracking with Control on the Number of Assets

Index tracking is a passive investment strategy, which aims at generating portfolios to reproduce a specific market index’s performance. This article proposes a model for a index tracking problem with control on the number of assets in the portfolio, which corresponds to a restriction in transaction...

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Main Authors: Leonardo Riegel Sant'Anna, Tiago Pascoal Filomena, Denis Borenstein
Format: Article
Language:English
Published: Brazilian Society of Finance 2014-06-01
Series:Revista Brasileira de Finanças
Subjects:
Online Access:http://bibliotecadigital.fgv.br/ojs/index.php/rbfin/article/view/10622
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author Leonardo Riegel Sant'Anna
Tiago Pascoal Filomena
Denis Borenstein
author_facet Leonardo Riegel Sant'Anna
Tiago Pascoal Filomena
Denis Borenstein
author_sort Leonardo Riegel Sant'Anna
collection DOAJ
description Index tracking is a passive investment strategy, which aims at generating portfolios to reproduce a specific market index’s performance. This article proposes a model for a index tracking problem with control on the number of assets in the portfolio, which corresponds to a restriction in transaction costs. The model is applied to Ibovespa (sample: 67 stocks) from January/2009 to July/2012. Portfolios were formed without limiting the amount of stocks and limiting this amount to 40, 30 and 20 stocks, with rebalancing periods of 20, 40 and 60 trading days. The results were satisfactory especially for the 60 days rebalancing period, in which transaction costs become lower due to the longer rebalancing period. We also verified that changes in Cplex parameters didn’t influence the results especially in relation to the computational times. Therefore, we also conclude about the need of using heuristic approaches to form portfolios with smaller amounts of assets.
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spelling doaj.art-1742f15b204d4e39816562da8d223cc92022-12-22T00:31:11ZengBrazilian Society of FinanceRevista Brasileira de Finanças1679-07311984-51462014-06-0112189119Index Tracking with Control on the Number of AssetsLeonardo Riegel Sant'Anna0Tiago Pascoal Filomena1Denis Borenstein2Federal University of Rio Grande do SulFederal University of Rio Grande do SulFederal University of Rio Grande do SulIndex tracking is a passive investment strategy, which aims at generating portfolios to reproduce a specific market index’s performance. This article proposes a model for a index tracking problem with control on the number of assets in the portfolio, which corresponds to a restriction in transaction costs. The model is applied to Ibovespa (sample: 67 stocks) from January/2009 to July/2012. Portfolios were formed without limiting the amount of stocks and limiting this amount to 40, 30 and 20 stocks, with rebalancing periods of 20, 40 and 60 trading days. The results were satisfactory especially for the 60 days rebalancing period, in which transaction costs become lower due to the longer rebalancing period. We also verified that changes in Cplex parameters didn’t influence the results especially in relation to the computational times. Therefore, we also conclude about the need of using heuristic approaches to form portfolios with smaller amounts of assets.http://bibliotecadigital.fgv.br/ojs/index.php/rbfin/article/view/10622index trackingportfolio optimizationquadratic integer programming
spellingShingle Leonardo Riegel Sant'Anna
Tiago Pascoal Filomena
Denis Borenstein
Index Tracking with Control on the Number of Assets
Revista Brasileira de Finanças
index tracking
portfolio optimization
quadratic integer programming
title Index Tracking with Control on the Number of Assets
title_full Index Tracking with Control on the Number of Assets
title_fullStr Index Tracking with Control on the Number of Assets
title_full_unstemmed Index Tracking with Control on the Number of Assets
title_short Index Tracking with Control on the Number of Assets
title_sort index tracking with control on the number of assets
topic index tracking
portfolio optimization
quadratic integer programming
url http://bibliotecadigital.fgv.br/ojs/index.php/rbfin/article/view/10622
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AT tiagopascoalfilomena indextrackingwithcontrolonthenumberofassets
AT denisborenstein indextrackingwithcontrolonthenumberofassets