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Ken,
Go back to any [bluearrow] point [shift=50 in the example], lookback
any number of bars [lookback=100 in the example, the "blue" period],
create the parallel channel *for this period* and chack for probable
breakouts *after* this period with
H0=H;L0=L;C0=C;O0=O;
Lookback=100;
shift=50;x0=LastValue(Cum(1));
x1=x0-shift;
H=Ref(H,-shift+1);L=Ref(L,-shift+1);
H1=LastValue(Ref(HHV(H,Lookback),-1));
L1=LastValue(Ref(LLV(L,Lookback),-1));
Plot(H1,"H1",colorYellow);
Plot(L1,"L1",colorYellow);
H=H0;L=L0;C=C0;O=O0;
up=Cross(H,H1) AND Cum(1)>x1;
dn=Cross(L1,L) AND Cum(1)>x1;
Plot(C,"Close",IIf(Cum(1)>x1-Lookback AND Cum(1)<=x1,colorBlue,IIf
(Up,colorBrightGreen,IIf( Dn,colorRed,colorBlack))),64);
PlotShapes(shapeDownArrow*(Cum(1)==x1+1),colorBlue);
It was posted some time ago, no problem, I post it here again, but,
please, let me speak for my priorities, if any...
And, another issue:If a formula offers some solution according to its
description, it is not fair to say "However, Dimitris' solution would
only plot ...", because Dimitris' solution did not promiss anything
more, as far as I remember...
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <closeks@xxxx> wrote:
> Satpak....
>
> Please share any solution you get for this problem.
>
> I have been looking for the answer to this for several years.
>
> One of our board members, Dimitris Tsokakis, found the foundation
of a
> possible solution when he wrote a plotting trendline routine which
would
> plot parallel and horizontal trendlines over the prices. You could
> specify the width (small to meet the needs of the chart formation
you
> and I are interested in) and then be prepared to look for the upward
> breakout. This is sometimes called the Cooper breakout.
>
> However, Dimitris' solution would only plot trendlines from the
current
> day backward a specified number of bars. What was and is needed is
a
> modification that plots backward say 10 days starting at any point
you
> specify in the past (historical). Then the variables of the pattern
> plus the volume component like you mention could be backtested.
>
> This is on DT's "B-Priority" list right now and I agree with his
> priority, as he is working several other issues for the members
here and
> for himself.
>
> Ken
>
> Your name is ??????
>
> -----Original Message-----
> From: satpak77 [mailto:satpak77@x...]
> Sent: Sunday, November 09, 2003 1:36 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Flat Base High Volume breakout scan?
>
> I am looking to develop a scan that would return "flat base
pattern"
> stocks, priced 0.25 to $5, which exhibit a base pattern for the
last
> 3 months or more.
>
> I suppose this could be expressed as "never exceeded XXX % +/-" of
> its average daily price for the last 3 months. (??)
>
> I also want to include in the scan a volume component, so that the
> above flat base pattern stocks are screened and then AmiBroker
looks
> for 2-times or more volume, along with an accompanying price
> increase. This possibly could be done via OBV language.
>
> For a "real world" example, please see IVAN, MITK, CYAN. Please
> note the "flat base" which existed along with lackluster volume,
and
> then accompanying upward price action and volume increase.
>
> That is in a nutshell what I want to scan for.
>
> Sorry for the lengthy post, its 1:30 AM at my house and I am now
> looking for outside help with this.
>
> good night
>
>
>
>
>
>
>
>
>
>
>
> Send BUG REPORTS to bugs@xxxx
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