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Ah, glad you asked this question because I have a related one for which the
answer is significant. When using tick bar charts it is important to know
just what the feed is sending. Some feeds send a tick for each trade.
Others send a tick only when the price changes during a trade. A chart
based on say 72 tick per bar could be very misleading if it is only updated
on a price change tick feed. So, the question is when categorizing feeds,
which ones send all trades, most trades or only price change trades?
S&P Comstock is said to broadcast every transaction. True or False?
Future Source?
BMI? no need to answer
DBC Signal
eSignal
DTN
X fill in
Y fill in
Z fill in
etc.
Bob
----- Original Message -----
From: "Robert Pisani" <pisani@xxxxxxxx>
To: <omega-list@xxxxxxxxxx>
Cc: <realtraders@xxxxxxxxxxxxxxx>
Sent: Friday, October 27, 2000 9:45 AM
Subject: UMDS and S&P Comstock
> S&P Comstock is updating all its customers from a 128k feed to a 384k
> feed. The new feed starts November 15 and the old feed will be phased
> out. The currently available version of UMDS is not compatible with the
> 384k feed hardware/software. I have used S&P Comstock for 16 years and it
> is in my opinion the highest quality feed, but if UMDS will not read their
> new fast feed I will have to change to another real time data service.
> The candidates are:
> DTN
> Data Broadcasting Corporation
> Hyperfeed (formerly PC Quote)
> Any recommendations?
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