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Hi MailYahoo,
Tuesday, May 23, 2006, 1:23:07 PM, you wrote:
M> You get what you pay for when it comes to data
Not always.
I will be dumping eSignal in six weeks, after giving them a full year
to get Tokyo data correct. Their last trick, this month, was
inserting phantom trade dates into the data -- days when the market
was locked and closed. This comes amid a consistent inability to get
the opening prices correct, in a market that has one and only one
opening price. My eSignal database is riddled with errors.
Their support claimed to have fixed the problem, but a force backfill
shows otherwise. Their support no longer even replies to e-mail.
I don't know what an "allowable fudge factor" would be for data
accuracy, but I do know two things: 1) eSignal is *way* over what
any reasonable person would consider "allowable", and 2) *much*
cheaper data sources seem to have no problems approaching 100 percent
correct. One does *not* necessarily get what one pays for.
Yuki
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