Why should I choose a premium database over a free database?
Premium databases are guaranteed to be timelier, more accurate, more comprehensive, better structured, and better documented than free databases on Quandl. They are created, updated and maintained by data vendors with decades of specialist domain expertise. Premium database come with quality, availability and support guarantees.
In short, premium databases are designed for professional use and meet the highest standards of quality and reliability. If you need data to make professional decisions, or are using data in an application or product, we strongly recommend premium databases over their free equivalents.