Abstract:The key to increasing the value of the enterprise, its competitiveness and profit level, respectively, is a timely and adequate investment in the investment project. However, the risks that have been underestimated can adversely affect the sustainability and financial performance of the enterprise. That is why it is essential to quantify the risk of investment projects.The article covers the issues of quantitative risk assessment of an investment project. The concept and methodology of investment risk assessment are considered. The methods of a quantitative evaluation of risks are presented. The simulation experiment was performed.