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dxFeed — Devexperts High-Performance Normalized Market Data Feed

dxFeed is an open technology solution that provides data service delivering normalized real-time and delayed market data for exchanges and other financial data sources worldwide, running on a proven and robust open infrastructure and backed by Devexperts 24×7×365 support. Hosted at Devexperts facilities, in a resilient setup, the dxFeed platform provides a functional layer on top of low latency consolidated datafeed.

dxFeed feed handlers are connected directly to the market data sources and our proven data collection and delivery systems are designed to enable failsafe delivery of high-quality information to clients where and when they need it, 24×7.

Data from all sources that we integrate is available in normalized form of dxFeed API which was specially designed for ease of use. Underlying open QDS infrastructure which was developed and optimized over years for high-performance and scalability allows our clients to fully leverage our data distribution and management capabilities.

The technologies we developed helped our customers' products to top the lists of Barron's awards in 2006, 2007, 2009, and 2010 with the highest weighted-average score*.

With dxFeed Java API you can start receiving your market quotes writing only several lines of code:

// create subscription for a specific event type on default feed
DXFeedSubscription<Quote> sub = DXFeed.getInstance().createSubscription(Quote.class);

// define listener for events
sub.addEventListener(new DXFeedEventListener<Quote>() { 
    public void eventsReceived(List<Quote> events) { 
        for (Quote quote : events) 

// add symbols to start receiving events
sub.addSymbols("IBM", "GOOG", "AAPL", "SPY");

See also dxFeed API tutorial series in our blog.

We run sample demo feed to try out our API over Internet with realistic market data event timing, frequency and generated prices and sizes.

We also provide dxFeed JavaScript API for easy integration with web-based projects:

dxFeed Live Sample: Nasdaq Level 1

Symbol Description Last Bid Ask Open Low High Volume Change Chg % Updated
AAPLApple Inc
CSCOCisco Systems Inc
GOOGGoogle Inc
INTCIntel Corporation
MSFTMicrosoft Corporation
Limited demo display. Data delayed at least 15 min. See disclaimer.
Powered by dxFeed JavaScript API.
Contact us to discuss your market data needs.

dxFeed Daily Chart Sample

Limited demo display. Data delayed at least 15 min. See disclaimer.
Powered by dxFeed JavaScript API.
Contact us to discuss your market data needs.

You may consult developer documentation at dxFeed Developer Documentation page and download and try our live samples at Samples work straight out of the box.

To connect to live real-time or delayed market data feeds, please contact us.

Data type: Options, Equities, Futures, Indexes for U.S., Canadian and Russian markets

Available as:
  • Real-time data feed
  • Delayed data feed

* Barron's is a registered trademark of Dow Jones & Company © 2006-2010.