The article is devoted to the problematic issues of the formation and assessment of the market capitalization of commercial banks, the conditions for the formation of equity capital, the goals of investment and increasing the capitalization of Uzbek banks. On the example of three commercial banks of various forms of ownership, the authors estimated the market value of shares based on the use of international methods. The problems of attracting private investments in the development of banking activities are identified and proposals are made to improve the efficiency of their assessment and attraction.