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OBook vs. OBook Ultra vs. CQS

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[quote]Posted By n/a  on  10/07/2008 4:03 AM

Hi, 
 I’ve read through a large portion of this forum, in search on NYSE data feed info. I would like to know all the offerings to feed Direct+/Hybrid data only - my ARCA needs are already addressed. 
  
 As far as I can tell, on Oct 7. 2008, these would be my choices – please correct me if I’m wrong: 
  
 NYSE OpenBook – multicast; 1s snapshots; aggregated book at all price points; does NOT include crowd interest; $5k/m + terminal fees; Sold by NYSE only; a.k.a. “NYSE OpenBook Aggregated” 
  
 NYSE OpenBook Ultra – multicast; event driven real time; aggregated book at all price points; does include crowd interest; $5k/m + terminal  fees; Sold by NYSE only 
  
 NYSE NYSE Best Quotes – real time; part of the NYSE OpenBook only - can NOT be obtained any other way; does include crowd interest; a.k.a. NYSE BBO??? 
  
 CQS – multicast; NBBO (using data from all venues and for all listed stocks????, does it include ARCA?); distributed by CTA 
  
 Also, where do I go to find the specifics on Direct+ orders types and their behavior? 
  
 Thank you very much! 
 [/quote]

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