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Thank you Joe.
You confirm what my bad memory suggested.
And if the story is old I've to suppose there is no way to overcome the
error by using some formula adjustement :-(
Maybe in futures versions (mine is 7.20, but I don't know if for 8.01 it's
the same)...
r.
<BLOCKQUOTE
>It's
certainly some sort of bad news. I only discovered this after I payed
$1,500 to get APS Automatic Pattern Search (<A
href="">www.tradingpatterns.com), which I
highly recommend by the way. After I back-tested some of the patterns I
found with APS, I imported the code in system tester and I got different
results. In the beginning I thought APS was wrong and I asked about this
difference in the results. They sent me a flowchart of their back-testing
algorithm. Then I sat down with a trader who is profficient in programming
and figured out that Metastock ignores new signals generated at the same
bar a open position is closed and thus APS was correct. Now I use APS
exclusively to generate my pattern signals and Metastock to display
indicators only. I miss no continuation patterns, that's where I found
out the money is.That's an old story r. Joe---
In Metastockusers@xxxxxxxxxxxxxxx, "Robin Hood" <robinhood@xxxx>
wrote:> opsss.... I have forgetted open +1 in system tester
options!!! Sorry for the stupid question :-)> > But now a
real problem: when I've a false signal which is "valid" only for one bar
(say we have a continuation pattern) and the day after the graphical
signal reverse, the system doesn't reverse the position because for it
it's time to enter with one day delay in the wrong position. One bar
inversion let the system become "blind" by using one day delay.>
Surely this isn't a news for all you, but for me is a bad one.>
> r.> > > > > I build a
signal in expert advisor refering to a cross between an
indicator> and its moving average written as the
difference betweem them ((a-mov(a))>0> or
<0.> Then I used system tester by using the same idea
but the cross in this case> is given from the fact that
today the difference has a sign and yesterday> another
(ref -1).> > Is there a reason why the system tester
calculates the signal a day after> the perfect one of
expert advisor?> > r.> >
ps - by using the "cross" function I have the same delay... :-(>
> > > >
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