Where does Quandl's data come from?

Our premium databases come from vendors who have decades of domain expertise creating highly accurate, reliable, professional grade data for sale. You can find a list of our premium databases on our vendors page.

Our free databases come from a variety of credible and established sources: central banks, multinational organizations, exchanges, government agencies and so on.  You can find a list of our free databases on our sources page.

Still need help? Contact Us Contact Us