Data feed for whole US stock market

Quote from traderum:

I'm looking for a RT market data feed (raw data via API) for the whole US stock market, to be used under a Unix/Linux environment,
the API should be in C/C++, Java is maybe ok too.
Are there any competitive alternatives to the "NxCore" product from DTN/IQfeed ( http://www.dtnma.com/ )? Costs about $500/month.
Anybody any experience with this or similar products?
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I too have experience with NxCore and I think it's an excellent offering, on many levels. It runs well on Linux under wine, in my experience.
 
Quote from maxima120:

Have you tried to compare NxCore number of trades to CQG data? Is it more granular?
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I think NxCore reports (separately) every trade reported through the national system (whatever its name is, I don't remember). I'm pretty sure it gets them all, as well, as I've compared the volume of these individually reported trades to the total volume from other sources and I think it was an exact match (if memory serves me correctly :D).

Don't know about CQG.
 
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