00707naa#a2200169#i#450# EN\\bibl\103202 20250820150730.3 2312-5330 20250812b2025####ek#y0engy0150####ca RU COMPARATIVE ANALYSIS OF THE PRINCIPLES OF FORMATION AND RISKS OF INVESTMENT PORTFOLIOS OF STOCKS, BONDS, OPTIONS, FUTURES, DIGITAL FINANCIAL ASSETS IN RUSSIA Journal article Simferopol V.I. Vernadsky Crimean Federal University 2025 14 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Bondarenko Daniil Vladimirovich cfuv.editorum.ru