The study integrates cumulative prospect theory to improve financial decision-making by combining human intelligence with automatic systems. The study provides information about how people react or make decisions under uncertainty or risky conditions, which are essential for the banking and financial industries. Economic and banking systems can get significant benefit through cumulative prospect theory. Users may use this theory to rate risk more accurately and have a proper investment portfolio. Application of cumulative prospect theory surely improves financial decisions. Analysis of parameters of cumulative prospect theory is done in this paper and it is important for enhancing decision-making capability.