Sydorenko O. Models and methods of automated portfolio management on the stock market

The object of a research is the process of management of the portfolio of securities. The purpose of a study is an increasing of efficiency of investment decisions during work at the fund market due to creation and development of models and methods, and also development of information technologies of management the portfolio of securities. Basic methods of research are methods of theory of fuzzy sets for conducting of analysis of the financial state of enterprise, logic-and-linguistic methods for the calculation of cost of assets of issuers, methods of technical and fundamental analysis for the shares. Scientific value is determined of, that they develop logic-and-linguistic methods, fuzzy-sets methods of support for making a decision, methods of fundamental analysis of securities. Practical values consists that the model of calculation of evaluation cost of shares is improved, the developed models, methods and algorithms of management the portfolio of securities, are scientific-and-practical basis for creation of the system of support of making a decision for a fund market and workstation of trader. The logic-and--linguistic method of calculation of rate of discounting depending on the results of estimation of the financial state of enterprise is first developed, which allows to decide the task of classification and multicriterion choice of alternatives in the conditions of vagueness, and deprived such failings, as subjectivity and complication of determination of necessary coefficients. The method of estimation of the financial state of enterprise is improved on the basis of calculation of multilevel integral coefficient which helps to decide the task of ranging and comparison of enterprises in obedience to their financial indexes. The model of calculation of cost of shares, which allows to define the evaluation cost of action, and also level of investment attractiveness of enterprise, got further development. Introduction is branch – based. The further use of the results got in dissertation is expedient in research, financial organizations, for example, pension a fund, in state institutions, such as State property fund of Ukraine, on enterprises for the estimation of market capitalization.