RE: [amibroker] Question on ValueWhen usage

["Thomas Z." <tzg@xxxxxxxxxxxxxxxxxxx>]

Hello,

basically your code checks if current close is < than current close. 
Therefore you can't receive buy signals.

Not sure what you are trying to code, but probably you want to buy when the
close is 10% below the highest close from the last 250 bars.
The following code would do this:


HC = ValueWhen(C == HHV(C, 250), C);
Buy = C < 0.99 * HC; // Buy if close dropped down by 10% from Highest Close

Plot(C, "Close", colorBrown, 128);
Plot(HC, "HC", colorPaleGreen, 1);
PlotShapes(Buy * shapeUpArrow, colorGreen, 0, L, -12);


Kind regards
Thomas Zmuck
www.patternexplorer.com


From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of mo_means_go
Sent: Wednesday, January 02, 2008 10:52 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Question on ValueWhen usage

I have the following pullback test for a buy:

Buy_Requirement = IIf ( C < 0.90 * ValueWhen ( C > Ref ( HHV ( C, 250
), -1 ), C), 1, 0 );
Buy = Buy_Requirement == 1;

I am not generating signals. Am I using this incorrectly for what I'm
trying to accomplish? Any help would be appreciated.

Thanks,

Mo
 


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