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[amibroker] Re: AFL help...



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Gilles,
Here is your request G :

// INDICATOR BUILDER PART
Plot(MACD(),"MACD",1,1);
Plot(Signal(),"Signal",4,1);
COND1=Cross(Signal(),MACD());
PlotShapes(shapeUpTriangle*COND1,colorYellow);// all COND1 before 
Exrem
COND2=Cross(Signal(),0);
PlotShapes(shapeSmallCircle*COND2,colorBlue);// all COND2 before Exrem
COND1=ExRem(COND1,COND2);COND2=ExRem(COND2,COND1);
G=COND1;
PlotShapes(shapeDownArrow*G,colorRed);
// AA PART
Filter=G;
AddColumn(C,"");
Sell=Filter;

You will see a yellow triangle when Cross(Signal(),MACD()) and a blue 
small circle when Cross(Signal(),0).
[We actually search for the first yellow triangle after the blue 
circle and ignore the rest triangles until a new blue circle appears]
Exrem( ) removes excessive signals and the remaining signals will be
COND1, COND2, COND1, COND2, ...
When I was wtiting the text, I was wondering what if both COND1, 
COND2 occur on the same day.
I explored all N100 stocks for the last 45 months with

COND1=Cross(Signal(),MACD());
COND2=Cross(Signal(),0);
Filter=COND1 AND COND2;
AddColumn(C,""); 

The result was empty, it never happened, we may stay cool and avoid 
further research [why, if possible etc...]
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "gillesdeprez" <gillesdeprez@xxxx> 
wrote:
> I give up, my brain has melted...
> Please, how can I set up a condition as:
> The MACD line crosses below the  MACD signal FOR THE FIRST TIME 
SINCE 
> the signal has crossed above zero.
> TIA to the group!
> Gilles


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