%0 Journal Article %T ASSET ALLOCATION OPTIMIZATION USING COVARIANCE-BASED PORTFOLIO MODELING %A Sazonov, A.I. %A Pihtil'kova, O.A. %A Morozova, T.A. %A Borec, A.S. %K Markowitz model, investment portfolio, optimization, risk, return, diversification, covariance, financial mathematics %J MOSCOW ECONOMIC JOURNAL %D 2026 %N 11 %P 22 %I Electronic science