This document provides an overview of behavioral finance and how it differs from traditional finance by incorporating insights from psychology. It discusses several behavioral biases that can lead to irrational financial decisions, such as overconfidence, loss aversion, anchoring, and herding. Specific concepts like prospect theory, confirmation bias, and availability bias are explained. Case studies on the Enron scandal and dot-com bubble are presented to show how behavioral factors can influence markets. The document concludes by emphasizing the importance of understanding psychology in finance and presents strategies like diversification and education to overcome behavioral biases.