Adefansa, R., Rusgiyono, A. and Fakhriyana, D. 2025. Formation of an Optimal Stock Portfolio for the Infobank15 Index Using the Liquidity-Adjusted Capital Asset Pricing Model (LCAPM). International Journal Of Mathematics And Computer Research. 13, 12 (Dec. 2025), 5947-5952. DOI:https://doi.org/10.47191/ijmcr/v13i12.02.