Khaerunnisa, Winda, and Fahrul Imam Santoso. 2025. “An ANALYSIS OF THE APPLICATION OF THE CAPITAL ASSET PRICING MODEL (CAPM) AND REWARD TO VARIABILITY RATIO (RVAR) METHODS IN STOCK INVESTMENT DECISION-MAKING: Case Study: Companies Listed on the LQ45 Index of the Indonesia Stock Exchange (IDX) for the Period February 2020 – January 2025”. SUSTAINABLE 5 (1):81-94. https://doi.org/10.30651/stb.v5i1.26265.