The stock indices are investigated as indicators of stock market activity. It is proved that the stock market is one of the most attractive instruments for investing. It is accepted that an open stock market in a country characterized by a stable, strong economy, encourages the attraction of foreign investors. It is noted that indicators of the Ukrainian stock market such as the capitalization and the PFTS stock index (First Stock Trading System), as a result of the inadequate exchange rate

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... es for the real state of the issuing companies and the economy of the state, can't be as representative, especially when compared with foreign markets. It has been outlined that the development of the domestic stock market is restrained by the imperfection of legislative and regulatory regulation of the market participants, the lack of optimality of the market infrastructure, the lack of a fully functioning, fully functioning national depository system. The introduction of a new stock index describing the state of business activity of a separate sector of the market is proposed, which will serve as a benchmark for the formation and optimization of investment strategy of investors, will promote transparency of the Ukrainian securities market.