Re: [amibroker] TrendLine Scanning: Far from satisfactory

Wed, 18 Oct 2006 02:28:51 -0700

You do not give the studyID name to more than one line
Name them differently

I also assume that the lines existed across the bar you were scanning on.

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Graham
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On 18/10/06, RajeevM <[EMAIL PROTECTED]> wrote:
Further to previous email today I found one more issue.


Setup 1.
In a stock price chart (say ranbaxy) I drew a upper channel and gave STUDY ID as RE.
Scan for trendline crack and I got the alert... (the name ranbaxy came up).


Set Up 2.
Draw any random line on the chart which doesnot cuts the price anywhere and give it studyID as RE.
Next draw a upper channel (as in setup1) and gave STUDY ID as RE.
Scan for trendline crack and I DONT get the result. (the name doesnot comes up)

Does it means I would get result only with the frist drawn Trendline which is amrked as RE?

Thomas or anyone who can guide on this?
How can I get an alert for any trendline (amrked as RE) cross.. not just the one I drew first.

Anyone faced this issue earlier?

my afl for trendline scanning is this
===================
ret = Study("RE", 1002);

Buy   = Cross(C, ret);
Sell  = Cross(ret,C);

AlertIf(Buy,   "", "",1,1 );
AlertIf(Sell,  "", "",2,1 );

AlertIf( Buy , "SOUND C:\\Windows\\Media\\Ding.wav", "Audio alert", 1 );
AlertIf( Sell, "SOUND C:\\WINDOWS\\Media\\ir_inter.wav", "Audio alert", 2);
=====================

regards
Rajeev

---------- Forwarded message ----------
From: RajeevM < [EMAIL PROTECTED]>
Date: Oct 15, 2006 11:11 PM
Subject: Re: TrendLine Scanning: Far from satisfactory
To: amibroker@yahoogroups.com

One more thing I saw while scanning..

when i select favorites only in filter I get my result..
and when i select a watch list in the filter->inlude I get fewer results..(seems the result come only from the watch list)

image attached.
Is this some known issue which is resolved in latest versions?

regards
rajeev


On 10/15/06, RajeevM < [EMAIL PROTECTED]> wrote:
Anyone in this group uses Trendline scanning for real time alerts during trading hours or after mkt hours?

I face a lot of issues and inconsistent behaviour with TrendLine scanning.

Some issues:
1. I have drawn trendlines across 75-100 charts, even then i get results for only 1-2 stocks while I cna visually see 10-20 of then getting crossed.

2. To test what mistake i am making, I pick up one chart.. draw a line which is cutting lastest 3-4 price candles .. mark as RE and then scan..
Gives No result.... and then I delete this line... draw one more line and scan again.. I get the result or sometimes I dont get.
This is a little wierd..

3. Sometiems I get results even when I Dont visually see any lines on a chart...!! Seems some previous drawn lines which are hidden now..??

How can I make trendline working smoothly.
Anyone faced similar issues.. kindly share your experience.


my afl for Trendline scan is

===================
ret = Study("RE", 1002);

Buy   = Cross(C, ret);
Sell  = Cross(ret,C);

AlertIf(Buy,   "", "",1,1 );
AlertIf(Sell,  "", "",2,1 );

AlertIf( Buy , "SOUND C:\\Windows\\Media\\Ding.wav", "Audio alert", 1 );
AlertIf( Sell, "SOUND C:\\WINDOWS\\Media\\ir_inter.wav", "Audio alert", 2);
=====================




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