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NASDAQ Data-On-Demand API

NASDAQ Data-On-Demand provides historical stock quote data. NASDAQ Data-On-Demand enables users to choose specific symbols and trading time periods for quick and efficient analysis. The data can be used to integrate stock quote data into a developer's application, analyze trends in stock quote data, back test trading strategies and algorithms and build a stock quote book. An API is provided to pull the data using RESTful . The API includes calls that let users select historical stock data from the exact trading dates and times, download stock data after the markets close for pre-market analysis and request bulk data downloads. Responses are formatted in JSON or XML.