Application of Fuzzy Logic in Portfolio Management: Evidence From Iranian Researches

Over the past decades, financial researchers have proposed different methods in portfolio selection, so that, markwotiz [1] introduced risk and return criteria for a portfolio selection. since it is difficult how to select an adequate stock portfolio, fuzzy models have been able to help researchers by considering uncertainty. in this research, we surveyed a portfolio management by reviewing the relevant literature of fuzzy model in financial management. the results showed that a fuzzy model can to determine an optimal portfolio.