Financial Market Data Web Services – Xignite Blog

In the next 5 minutes, you could get $5 worth of plumbing services, $30 worth of legal advice or $17 worth of psychotherapy. Or, you could just spend your next five minutes building a real-time stock quote widget. Don’t think it can be done in 5 minutes? Check out a video showing us doing it in less time.

Here’s how you can do the same thing using PHP and Eclipse, although the same basic process can be used for any language and any IDE:
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If you’ve wanted to add real-time stock quotes to your public website, but just couldn’t justify the cost, you’ll want to learn more about BATS.  No, not the baseball equipment or the “rats with wings.”  The BATS stock exchange.  As it happens, BATS is the third largest stock exchange in the world, covering 8,000 securities and processing over 10% of U.S. trades.  Stock for most public companies are traded on BATS regardless of the exchange that lists them.

BATS has very web-friendly licensing terms for public display of its stock quote data, and we’ve just recently launched two new web services for getting stock quotes from BATS:  XigniteBATSRealTime and XigniteBATSLastSale.  Websites can publish BATS stock quotes without needing to sign exchange agreements that tie them to per-user or per-hit fees.

BATS has made adding stock quotes to web sites easy and affordable

We originally launched XigniteBATSLastSale to give our customers real-time quotes from BATS-traded securities. More recently we’ve launched XigniteBATSRealTime for customers with heavier usage requirements.  In XigniteBATSRealTime, we’ve added data that’s more important for intraday traders, such as tick-by-tick quotes and bid and ask prices.

So, if you’ve been waiting for real-time stock quotes to become more economical for public display on websites, it’s time to take another look at your options.