Is elk stack scalable?

As a professional practitioner in cryptocurrency and finance, I often encounter questions about the scalability of various technologies, including ELK Stack. So, let me pose the question in a way that highlights the importance of scalability in today's digital landscape: "Given the ever-growing demands of data processing and analysis in the world of finance and cryptocurrency, is ELK Stack truly scalable to handle the increasing volume and complexity of data that these sectors generate? How does it compare to other solutions in terms of its ability to scale horizontally and vertically, ensuring that it can meet the needs of businesses both now and in the future?