Object of research: investment attractiveness of public limited companies in the power industry sector. Aim of research: theoretical study, development of tools and im-provement of methodical approaches to determining the in-vestment attractiveness of an enterprise, with different aims of investment activity considered. Methods of research and apparatus: classification and comparison of methods, sys-tem analysis and abstract-logical approach, situational analy-sis, economic-mathematical modeling. Theoretical and practical results, novelty: for the first time, a methodical approach to the appraisal of investment attractiveness of an enterprise has been suggested using the weight index with open architecture, based on the aggregate consideration of financial and economic activities with variable weight parts, which, in contrast to other approaches, makes it possible to determine an enterprise's investment attractiveness with re-gard to different aims of investment activity. The procedure of estimation and analysis of investment attractiveness for securities of industrial enterprises has been improved based on the index allowing for their market characteristics' varia-tions (those of liquidity and market value gain), which makes it possible, compared to existing indexes, to form a set of ba-sic strategies for raising investment attractiveness. Methodi-cal recommendations on the use of statistic analysis of in-vestment attractiveness of an enterprise and its securities have been improved, which is based on identifying their trends for a given period of time followed by constructing econometric models that make it possible to describe and predict changes in investment attractiveness. Further devel-oped is the conceptual approach to determining the invest-ment attractiveness of an enterprise and its securities, which is based on identifying both internal and external factors that have a significant effect on a business entity's current finan-cial and economic activities and predetermine its long-term standing, which makes it possible to systematize the process of selecting objects for investment. Further attempt has been made to develop the theoretical aspects of the relationship between the change in investment attractiveness of industrial enterprises and their securities and the state's social and eco-nomic development, which affect the total output of goods and services and the rate of unemployment, making it possi-ble to render concrete the joint consideration of the change in the volume of investment in the economy's industrial sec-tor and the country's macroeconomic indexes. Further devel-oped is the classification of approaches to determining the investment attractiveness of the power industry enterprises and their securities, grouped on the basis of a comprehensive system of parameters of financial-economic activities and market characteristics of securities, which facilitates the search for the specifics in determining and studying their in-vestment attractiveness. The results obtained are of practical significance for the development and improvement of the methodical base for the determination of an enterprise's in-vestment attractiveness. The application of the methods de-vised makes it possible to determine and analyze an enter-prise's investment attractiveness with regard to different aims of investment activity. Scope of introduction: the given me-thodical approach to determining the investment attractive-ness of an enterprise and securities is used by the Investment Department of the Joint Stock Company «MUST Investment Group», which has made it possible to improve the process of selecting the objects that best meet the pre-set aims of the investment portfolio. The methodical approach to analyzing the investment attractiveness of enterprises has been intro-duced in the "Kharkov" Universal Commodity Exchange, which allowed for a detailed study of a business entity in terms of business activity appraisal. The results of the re-search are also used in the process of teaching such academic disciplines as Investment, Corporate Finance and Securities Market. Sphere of use: rating agencies, analytical services and investment institutions.
