Tarina, H.D.N., Sembel, R. and Sidharta, J. 2021. ORMATION OF OPTIMAL STOCK PORTFOLIO USING SINGLE INDEX MODEL CUT-OFF RATE METHODE, MARKOWITZ MODEL, AND CAPITAL ASSET PRICING MODEL IN 11 INDUSTRIAL SECTORS LISTED ON THE INDONESIA STOCK EXCHANGE 2016-2020”. Fundamental Management Journal. 6, 2 (Oct. 2021), 51 - 65. DOI:https://doi.org/10.33541/fjm.v6i2.3415.