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<FONT face=Tahoma
size=2>-----Original Message-----From: Yuki Taga
[mailto:yukitaga@xxxxxxxxxxxxx]Sent: Tuesday, May 27, 2003 8:59
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] TJ -
premature refresh (unpredictable) or bad technique?I
have a small database of stocks that I monitor intraday, maybeabout 20 of
them, including indices. I do this by hand because Ihave no intraday
provider. The database is via the MS plugin, andworks just
fine.My standard technique is to open AB before the market opens,
andleave it running all day. Naturally, this gives me
yesterday'sclosing data at first, which is what I want at first.I
make my first database update about 35 minutes after the open.Here is
the problem . . .The first thing I do is setup for the new dates about
15 or 20minutes after the open. I do this by opening the MS
Downloader andrunning a program (Automate) that plugs the new dates in for
me. Thissets up the database as having today's date, but all zeros for
priceand data values.At this point AB, which is already running
and connected to adatabase loaded with yesterday's values, should still be
usingyesterday's price information. This is the behavior I would
like, asI often take a last look at yesterday's charts before the 35
minutemark, at which time I do the first database update.However .
. . what I see as I move from stock to stock at this time(after entering
new dates but before entering new price and volumedata) varies. Some
stocks are still using yesterday's data (good) atthis point, but some
stocks have picked up the new date input(although I have not refreshed the
data), and so they are using zerosfor all the values (bad).It
should be all or nothing, in my mind. Either AB shouldimmediately be
picking up on ALL new data (in which case my chartswould be useless at
that point, since the data would all be zeros) orAB should be picking up
on NONE of the new data (in which case mycharts would all still reflect
yesterday's close) until AB wasrefreshed.But that's not
happening. What is happening is an apparently randomrefresh of some
stocks, but not of others. I cannot account for thisin any
way. Is there something that I'm missing?This is only a problem
for maybe 30 minutes at most. Once I enterthe first round of data,
and refresh AB with F-12, a hotkey Iassigned for this purpose, all is fine
of course, and AB uses the newdata. But, I like to setup the new
dates early, and relax. Duringthat time I have this unpredictable
behavior. I'd like to be able tocontrol this if I can.Yuki
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