This study aims to form an optimal portfolio of LQ45 stocks by maximizing returns and minimizing risk using the Value at Risk (VaR) approach. Daily closing price data of 45 LQ45 stocks from February 2023 to January 2024 were analyzed through three stages: (1) analysis of stock characteristics (return, volatility, inter-sector and inter-stock correlation); (2) selection of portfolio candidates b…
The Single Index Model is a model that is used to calculate the expected return of the portfolio and also the risk of the stock portfolio with the assumption that the level of return stockmoves in the same direction as the return market. The purpose of this study is to form and analyze the optimal portfolio using the Single Index Model, and determine the proportion of the optimal portfolio usin…