Classifying Stocks of Listed Companies on Tehran Stock Exchange Using Fuzzy Cluster Analysis

Due to the different time periods with different market conditions and economic conditions in different countries، growth and value stocks has different efficiency. One of the recommendations in order to obtain optimum efficiency is diversification. As the time to select a suitable portfolio، using bonds and other securities can reduce portfolio risk and balancing the potential risk and reward of investing، choose an appropriate portfolio of stock involves the use of different investment methods and both value and growth stocks should be considered in the portfolio to reduce risk and obtain better results. Despite the importance of value and growth stocks، but certain categories of growth، value and blended companies has not been provided. This paper tries to use financial data of listed companies in the Tehran Stock Exchange for time period 1384-1388 and Fuzzy C-Means Clustering (FCM) to classify stocks of companies. The results of this study show that most of these companies lie in the blended portfolio، but their tendency is growing portfolio.