Ushbu maqolada optimal investitsion portfelni shakllantirish modellari, xususan Markovitsning optimal portfel nazariyasi va CAPM (kapital aktivlarini baholash modeli) kabi modellar tahlil qilingan. Tahlil qismida esa Oʻzbekistonda faoliyat yuritayotgan 15 ta aksiyadorlik jamiyatlaridan olingan maʼlumotlar oxirgi 5 yillik aksiyalar narxlari maʼlumotlari asosida portfel tuzilib, mushohada qilingan. Shuningdek, turli xil iqtisodchi olimlar Uilyam Sharp, Kan va Zhou kabi olimlarning fikrlari keltirilgan. UCI bozor indeksi va portfeldan kutilayotgan qaytim oʻrtasidagi beta koeffitsiyenti hisoblangan, portfeldan kutilayotgan qaytim CAPM va samarali portfel chegarasi aniqlangan. Maqola soʻngida umumiy xulosa va takliflar berilgan.

The article is devoted to studying the mechanisms of effective management of family business activities in the Republic of Uzbekistan. In a rapidly changing economic environment, family business is becoming an important element of the sustainable development of the country's economy. The author analyzes modern management models, identifies the key problems and difficulties family enterprises face, and offers recommendations for their optimization. Special attention is paid to implementing innovative strategies, using digital technologies, and adapting to market requirements.