Data Trends for Investment Professionals

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API for Stock Data

Quandl offers a simple API for stock market data downloads. Our daily data feeds deliver end-of-day prices, historical stock fundamental data, harmonized fundamentals, financial ratios, indexes, options and volatility, earnings estimates, analyst ratings, investor sentiment and more. This post describes how our stock market data is organized, and explains how to access it. Data Organization: Time-series vs. Tables Quandl's data products come in many forms and contain various objects, including time-series and tables. Through our APIs and various tools (R, Python, Excel, etc.), users can access/call the premium data to which they have subscribed. (Our free data can be accessed...

Upstream Operational Risk Increases with Anadarko’s $2B Purchase

The Quandl data science team now publishes market insights based on analysis performed using Quandl alternative datasets. For information about our alternative datasets, or to request sample data, please see the contact information at the bottom of this post. On Monday, September 12 2016, Anadarko (NYSE:APC) announced it has entered into a definitive agreement to acquire the deepwater Gulf of Mexico assets of Freeport McMoRan Oil & Gas for $2.0 billion. This transaction, set to close before year's end, doubles Anadarko's ownership in the Lucius development to approximately 49 percent. Quandl's Anadarko Production Tracker empowers investors to see real time production performance...

WooTrader proves what startups can accomplish when they get the data they need

We recently spoke to Atanas Stoyanov, CEO of WooTrader, about his journey from a software programmer to FinTech founder. In 2007, Stoyanov sold his previous company, an Inc 500 firm that developed software optimization tools. He then turned his considerable programming talent to helping investors keep up with rapidly changing markets. He launched WooTrader, with the vision of becoming the only website you’ll need for asset management. With the recent release of a Wall Street-ready API, WooTrader’s client base is now expanding to hedge funds and investment banks. You’ve built a number of successful companies, including a software testing company. How...

The Comprehensive Guide to Stock Price Calculation

[mathjax] Adjusted stock prices are the foundation for time-series analysis of equity markets. Good analysts insist on properly-adjusted stock data. But the best analysts understand the adjustment process from first principles. This is Quandl's guide to the creation and maintenance of accurate adjusted historical stock prices. Table of Contents Introduction Adjustment Principles 1.Cash Dividends 2.Stock Dividends 3.Stock Splits 4.Reverse Stock Splits 5.Spinoffs 6.Mergers and Acquisitions 7.Buybacks Implementation Challenges Introduction Below is a graph showing the unadjusted or nominal closing price of Exxon (XOM) stock every day since 1970. Of course, this graph says nothing about the returns an investor in...

Quandl Launches Intraday Data

One of our most popular user requests has long been that we add intraday data to Quandl’s data coverage. The wait is over. We are thrilled to announce that Quandl now supports intraday data for US equities. You can now look at market fluctuations with greater granularity than ever before. We begin with five exceptional databases of intraday equity data: S&P 500 One Minute Bars NASDAQ 100 One Minute Bars Dow Jones Industrial Average One Minute Bars Dow Jones Utilities Average One Minute Bars Dow Jones Transportation Average One Minute Bars These databases are provided by AlgoSeek, a leading provider...

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