This study aimed to investigate the factors affecting the market value of the shares of Iraqi joint-stock companies listed in the Iraq Stock Exchange so that investors do not make mistakes and financial losses when buying and trading shares. It also gives owners of companies sufficient knowledge to make investment decisions. Trading volume, financing structure, company capital, earnings per share, return on equity, dividends, share turnover), and secondary factors (company size, company reputation, market risk, liquidity risk, financial leverage) on the market value per share , To achieve the objectives of the study, the researcher used the analytical descriptive approach, and the study population represented a group of companies listed in the Iraq Stock Exchange in various sectors during the period from (2015) to (2020), and (40) companies were selected from them as a sample for the study, and the study included in the statistical analysis It is based on seven variables, six explained (independent) variables are: trading volume, company capital, earnings per share, earnings per share from dividends, share turnover rate, and a dependent variable (dependent) is the market value per share. These factors were analyzed only to provide Corporate data during the study period.