This research focused on the clarification and impact of voluntary disclosure on the market price of the shares of economic units in the Iraq Stock Exchange. As well as determining the market price of the share and the factors affecting it and analyzing the role played by voluntary disclosure in the stability of themarket value of shares. To achieve the research objectives, (50) questionnaires were distributed, The standard deviation and the arithmetic mean were extracted for each axis of the questionnaire to achieve the objectives and hypothesis of the research. Through this study, several conclusions were reached, The most important of which is that voluntary disclosure affects the market price of the share and thus leads to an increase in the market share of companies. Furthermore, voluntary disclosure increases the confidence and degree of uncertainty of decision-makers from investors and stakeholders. Moreover, the market price of a share is not only affected by the type of partial factors involved to the company's internal environment. However, other factors affect it. Several recommendations were reached, representing That disclosure is voluntary should receive attention appropriately from the Iraqi The economic units present in the stock market in IraqThe management of the companies must prepare the financial statements and the clarifications attached to them honestly Which reflects the result of the balance sheet of the economic unit.