Big Data analytics is a powerful tool that is transforming the financial sector. It is used to make decisions, manage risk, and improve customer experiences. This article looks at the history of Big Data analytics in financial technology and its current and future applications. Big Data is a collection of data that is vast in volume, velocity, and variety. It is used in the financial sector to analyze customer behavior, detect fraud, and make predictions. Big Data analytics is also used to develop new products and services, such as mobile banking and peer-to-peer lending. It is expected to continue to revolutionize the financial sector in the future, as it is used to create more efficient and secure systems. TechBullion is the source of this article.