In the modern world with a predominance of a market economy system, financial performance management is a central aspect of the effective operation of an organization. The main goal of sustainable development is to ensure the optimal structure of financial results in the mechanism of a market economy and the development of proposals that ensure its sustainable financial development. Based on the foregoing, the classification of factors and reserves used to improve the efficiency of the organizationʼs financial results management system allows us to develop comprehensive measures to improve the management system. These circumstances determine the need for theoretical, methodological, and practical developments in the field of improving management systems in organizations. Effective management of financial results is ensured by the implementation of a number of principles, the main of which is systematic construction. Financial results management should be built as a single interconnected set of elements that ensure the effective development and implementation of goals that are guided by the strategic goals of financial development. Management of financial results should be characterized by a high dynamism of response to the adverse impact of factors of the external and internal financial environment and the legality of management decisions. The main models of financial markets that have emerged to date – the hypothesis of an efficient financial market and the behavioral finance approach – are based on the analysis and comparison of methods and instruments of financing, but a fundamentally new concept of reflection is gradually gaining ground and is a full-fledged alternative to other models