A optimal Portfolio Optimization Using Markowitz And Stochastic Dominance Models As A Basis For Investment Decisions (Study Of Companies Included In The LQ-45 Index Listed On The Bei 2018-2022 )

This research aims to determine the relationship between the optimal portfolio using the Markowitz and Stochastic Dominance models with stock prices as one of the bases for investment decisions. The population of this research is the LQ45 Index Companies Listed on the Indonesia Stock Exchange for 2018-2022, which consists of 45 companies. The sample used in this research was selected through a purposive sampling method. This research uses a quantitative approach with the comparative method SPSS version 22.0 software. The results of the Markowitz Model research have a relationship with stock prices. This is because the results of bivariate analysis using Chi-Square obtained a P value/Asymp. Sig. of 0.000 < the alpha value (0.05) meaning that there is a relationship between the Markowitz Model which has a relationship with stock prices and the Stochastic Dominance Model also has a relationship with stock prices. This is because the results of bivariate analysis using Chi-Square obtained a P value/Asymp. Sig. of 0.000 < the alpha value (0.05), meaning that there is a relationship between Stochastic Dominance and stock prices.