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[EquisMetaStock Group] IsDefined Problem



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Hi Guys,

I have a formula below that calculates a value. What the formula is 
supposed to do is become true when tmp>120 and hold true until tmp drops 
below 80. The formula is only working as expected after the crossB80 has 
been set.

I added firstOccurance and I thought this would have resolved the 
problem but it didnt. I plotted firstOccurance on a chart and it looked ok.

I was wondering if anyone can see anything stupid here that I have done? 
The sinceB80 is not defined so I have tryed to say if sinceA120 is 
defined and sinceB120 is not defined.

Thanks Steve




tmp:=Fml("AHull - ActVest - RoAR - Daily");

sinceA120:=BarsSince(Cross(tmp,120));
sinceB80  :=BarsSince(Cross(80,tmp));
sinceM120:=BarsSince(Cross(tmp,120));
sinceM80  :=BarsSince(Cross(80,tmp));

firstOccurance:=sinceA120>=0 AND
  IsUndefined( sinceB80 );

If(firstOccurance OR sinceA120<sinceB80,1,0);





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