Державні цінні папери в забезпеченні боргової безпеки України в умовах повномасштабної війни

The subject of research there is conceptual principles of issuing government securities to ensure debt security in conditions of full-scale war. The purpose of the article is to clarify the economic essence of the debt security category through the definition of its structural elements, as well as the features, advantages and reasons for issuing government securities in conditions of full-scale war. Method or methodology of the study. During the research, historical, analytical-empirical, inductive-deductive, comparative research methods were used to implement the principle of objectivity of scientific presentation; the method of analysis and synthesis - when evaluating indicators of debt security; graphical presentation of research results - when calculating the weighted average yield of military bonds. Results of the article. The article examines the issue of the essence, reasons for the issue and profitability of government securities in the conditions of martial law in Ukraine, considers the need for the management of government securities as the only tool in subordinating the government from the standpoint of ensuring Ukraine's debt security in the conditions of a full-scale war. It is considered that a full-fledged and liquid internal market of government securities will allow to reduce the cost of state borrowing and reduce the risks of default. Attention is paid to the matter of the issue and profitability of a new financial instrument for Ukraine - military OVDP. Debt security is studied as a dynamic process taking into account the positive effects of the use of borrowed external and internal funds. It was determined that the full-scale war reversed the positive trend towards a decrease in the share of public debt in GDP and forced a departure from the strategy of strengthening debt security, and the growth of governamental debt during the state of war is a forced phenomenon. Field of application of results. The results of the research can be used in the theory and practice of public debt management in conditions of full-scale war. The assessment of debt indicators and their analysis will be a relevant source of information for developing ways to strengthen Ukraine's debt security in peacetime. Conclusions. The growth of the public debt during martial law is a forced phenomenon: tax revenues allow to finance expenditures by only one third. Having analyzed the structure of the public debt from the standpoint of instruments for attracting funds, we