Kurniawan, R.F. and Sari, H.M.K. 2023. Analysis of Optimal Portfolio Formation During the Covid-19 Pademic Using the Capital Asset Pricing Model (CAPM) Model for IDX-30 Shares in the 2020 Period: Analisis Pembentukan Portofolio Optimal di Masa Pandemi Covid-19 dengan Menggunakan Model Capital Asset Pricing Model (CAPM) pada Saham IDX-30 pada Periode 2020. Indonesian Journal of Innovation Studies. 22, (Apr. 2023), 10.21070/ijins.v22i.852. DOI:https://doi.org/10.21070/ijins.v22i.852.