Are there free realtime financial data feeds since the demise of OpenQuant?

Posted by Mel Cooper on Stack Overflow See other posts from Stack Overflow or by Mel Cooper
Published on 2010-06-18T00:19:52Z Indexed on 2010/06/18 0:23 UTC
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java

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stream

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feed

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realtime

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financial

Now that the oligopole of market data providers successfully killed OpenQuant, does any alternative to proprietary and expensive subscriptions for realtime market data subsist?

Ideally I would like to be able to monitor tick by tick securities from the NYSE, NASDAQ and AMEX (about 6000 symbols).

Most vendors put a limit of 500 symbols watchable at the same time, this is unacceptable to me, even if one can imagine a rotation among the 500 symbols ie. making windows of 5 sec. of effective observation out of each minute for every symbol.

Currently I'm doing this by a Java thread pool calling Google Finance, but this is unsatisfactory for several reasons, one being that Google doesn't return the volume traded.

Any hint much appreciated,

Cheers

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