Comparison of Stock Selection Methods: An Empirical Research On The Borsa Istanbul

  • Ali Sezin Ozdemir Faculty of Management, Institute of Social Sciences, Istanbul Technical University, Turkey
  • Kaya Tokmakcioglu Faculty of Management, Department of Management Engineering, Istanbul Technical University, Turkey
Keywords: Stock selection, portfolio diversification, Borsa Istanbul, artificial neural network, second order stochastic dominance


This paper compares the performances of stock selection methods developed by artificial neural network (ANN), second order stochastic dominance (SSD), and Markowitz portfolio optimization by generating annual portfolios whose stocks are selected from several types of indexes traded in the Borsa Istanbul. Daily returns in SSD and Markowitz, and annual ratios in ANN models, are taken as inputs, with the following annual returns as outputs. By the perspective of stock selection literature, this study carries unique value for including comparisons of these methods with the purpose of generating portfolios with higher returns. Thus, two questions emerge: "Are these methods able to overcome losses during financial crises and bear or bull periods, and can they provide positive alpha?" Results indicate that average returns of portfolios generated by ANN are relatively higher than SSD and Markowitz, but all three models provide positive alpha over indexes. However, none of the models could overcome negative returns during economic crises.


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How to Cite
Ali Sezin Ozdemir, & Kaya Tokmakcioglu. (2022). Comparison of Stock Selection Methods: An Empirical Research On The Borsa Istanbul. International Journal of Business and Society, 23(2), 834-854.