Quandl is a repository of time-series data on the internet, tailored for active investors and finance professionals.
Why should I use Quandl?
Quandl allows you to:
Quickly find the financial and economic data you need
Get that data in any format you want
What kind of data does Quandl have?
Quandl currently has over millions of time-series datasets. Most of the data is in the domains of markets, finance, economics, demography, sociology, energy and the environment. 1000s of new datasets are added to Quandl daily.
Here are some of the datasets available on Quandl:
Price data for futures, stocks, interest rates, currencies, commodities and more.
Macroeconomic data, banking and monetary data, and national statistics.
Data on real estate, energy, health, education, economics, demography and society.
Country-specific data for 200 countries including global stock markets.
Corporate data and financial ratios going back up to 10 years.
All data on Quandl is available in a single unified interface, and is downloadable in the format of your choice. All data on Quandl is free.
Where does the data come from?
Data on Quandl comes from a variety of credible sources:
Multinational organizations like the UN, World Bank, ILO, OECD, BIS, Eurostat and WHO. Central banks like the Federal Reserve, Bundesbank, BOJ, ECB, SNB, BCB and BOC.
Government statistical agencies like the BLS, BEA, DOE, Census, USDA, StatCan, IBGE, ABS and ONS.
Exchanges like the CME, ICE, CBOE, NYSE, NSE and Nasdaq.
Secondary data aggregators like FRED, OFDP, Google and Yahoo.
Think-tanks, industry research groups, and academia.
Every single dataset on Quandl comes with a link back to its original source, so you can always validate and attribute the data correctly.
Here is a list of major data sources on Quandl. If there's any particular source that you'd like to see added to Quandl, please let us know.
How can I use the data on Quandl?
You can access Quandl data in a number of ways:
View raw data and graphs on the Quandl website.
Download data in any format you want: XLS, CSV, XML, JSON.
Use our API to download large numbers of datasets programmatically.
Import data directly into your preferred tool: R, Python, Matlab, Excel, Stata, Maple and more.
Quandl does all the work in acquiring, harmonizing, updating and delivering data for you; you don't have to spend any time importing, cleaning or re-formatting the data you need.
If there's another file format that you would like Quandl to deliver data in, or another data workflow tool that you would like to integrate Quandl with, please let us know.
Due to time constraints, please do not PM me if your question can be resolved or answered on the forum.
Need help? 1) Stop changing things. No new indicators, charts, or methods. Be consistent with what is in front of you first. 2) Start a journal and post to it daily with the trades you made to show your strengths and weaknesses. 3) Set goals for yourself to reach daily. Make them about how you trade, not how much money you make. 4) Accept responsibility for your actions. Stop looking elsewhere to explain away poor performance. 5) Where to start as a trader? Watch this webinar and read this thread for hundreds of questions and answers. 6) Help using the forum? Watch this video to learn general tips on using the site.
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The following 11 users say Thank You to Big Mike for this post:
As any one understood what their business model is?
It is surprising to see so many data made available for free.
I was once said that "if you do not understand what the product sold is, it means that you are the product." ^_^
But does not seem to be the case here...