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Quandl - Open Data


Perfect TransparencyQuandl has quickly become trusted by thousands of professionals for one reason: it’s transparent. Every data page on this site has a link to the URL where the data comes from. This is the ultimate form of reliability: if we say the data is correct and sourced from a certain publisher, one click confirms it. This is true for every dataset on this web site. Transparency creates instant reliability.

AccuracyEvery single dataset on Quandl is a perfectly accurate, perfectly faithful copy of the data exactly as published by its original source. Datasets are updated as soon as the source updates the data. We ensure that you never have to work with stale, inaccurate or corrupt data.

Reputable SourcesWe source data from central banks, exchanges, brokers, governments, statistical agencies, think-tanks, academics, and research institutes. There are almost 500 credible public data sources at your fingertips at

Powerful FeaturesAll open databases on Quandl come with: instant unlimited downloads in any format, permanent availability, free unlimited API access, easy integration with 20+ libraries, one-click export to analysis and visualization tools, search, browse and more.

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500 Credible Public Data Sources? Cool.

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