As a graduate in Finance and a current student in Data Science, I decided to look at a not super famous field in Finance called “behavioral finance”.
This field tries to understand and explain why investors behave in a certain way depending on the situation. The main goal of this field is to show that the Financial Standard theory based on the fact that financial individuals take decisions from a rational perspective is not what we can see.

The hypothesis I will focus on is the “mass behavior effect” on the sentiment of investors. Do investors are influenced by the…