The research aims to study the level of influence of the ratio of trading and foreign ownership on the real market value of shares, and to identify the strength of the effect of the ratio of trading and foreign ownership on the cost of financing, as well as determining the effect of the cost of financing on the market and real value of the shares of the research sample companies, as well as the effect of the ratio of foreign ownership on the trading and ownership ratio The real market value of the shares by averaging the cost of financing. The study population was represented by the Iraq Stock Exchange, and the study sample, which was chosen in a conditional intentional manner, included (13) companies distributed over sectors (industry, insurance, services, tourism, hotels, agriculture and communications), and data and information were collected through the financial statements issued by the study sample companies and the financial reports issued About the Iraq Stock Exchange and for the period (2014-2020). The researcher also adopted financial methods and statistical methods, and the financial methods were represented by the ratio of indebtedness, the ownership ratio, the required rate of return, the weighted rate of the cost of financing, the profitability of the share, the real value and the market value of the share, while the methods represented by the simple statistical methods and the arithmetic indicative methods and the mean methods, the mean Path analysis across applications (SPSS V.26, Excel 2010, AMOS V.25, SOBEL-TEST) to compare computed results and test research hypotheses. The researcher reached several results, most notably the presence of a significant effect of foreign trading on the market value of the shares of the companies investigated, the presence of a significant effect of trading and foreign ownership in the financing structure through the cost of financing, the absence of a significant effect of the financing structure through the cost of financing on the real market value of the shares, and the presence of Significant effect of trading and foreign ownership on the real and market value of shares by averaging the cost of financing companies.