Portofolio dan Diversifikasi Investasi Pasca Covid-19 Kajian Portofolio Saham Kapitalisasi Tinggi Di Indonesia

In portfolio theory, financial researchers understand that every (n) asset in could potentially reduce risk until it reaches undiversified level. Our research offers a novel idea creation of diagonal matrix as mini simulation to proved this statement. general, there are two main purposes article, first is check whether our able confirm old theory diversification concept literature. The second purpose certain capitalization-based would be less volatile and become major answer diversify investment during COVID-19 uncertainty situation. result confirms goal objective with several question the future. It clear has limitation implementation. will cause average expected return equal for portfolio. But we believe input improvement future, very great tool teach undergraduate students (especially major) concept. Keywords: Portfolio Theory, Asset Diversification, Investment Study, Diagonal Matrix Simulation, Capitalization Based