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A performance measure of Zero-dollar Long/Short equally weighted portfolios


Author Info

  • Monica Billio

    (Dipartimento di Scienze Economiche Venezia - Italy)

  • Ludovic Calès

    (Dipartimento di Scienze Economiche Venezia - Italy et Centre d'Economie de la Sorbonne)

  • Dominique Guegan

    (Centre d'Economie de la Sorbonne - Paris School of Economics)


Sharpe-like ratios have been traditionally used to measure the performances of portfolio managers. However, they suffer two intricate drawbacks (1) they are relative to a perr's performance and (2) the best score is generally assumed to correspond to a "good" portfolio allocation, with no guarantee on the goodness of this allocation. In this paper, we propose a new measure to quantify the goodness of an allocation and we show how to estimate this measure in the case of the strategy used to track the momentum effect, namely the Zero-Dollar Long/Short Equally Weighted (LSEW) investment strategy. Finally, we show how to use this measure to timely close the positions of an invested portfolio.

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Bibliographic Info

Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 10030.

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Length: 18 pages
Date of creation: Mar 2010
Date of revision:
Handle: RePEc:mse:cesdoc:10030

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Keywords: Portfolio management; performance measure; generalized hyperbolic distribution.;

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