This study examines the impact of overconfidence bias on investment decision-making during the Rusia-Ikraine war in the Indonesian energy stock market. Overconfidence bias is a cognitive bias where investors overestimate their ability to predict market movements. often leading to an increase in transaction frequency and the taking of irrational risks. Using stock return data from the ... https://parisnaturalfoodes.shop/product-category/sprout-protein-choc/