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It is obvious that whatever the parameters...you cannot code every
single facet...I think one has to rely on a visual to be able to
trade whatever lines are drawn...
--- In amibroker@xxxxxxxxxxxxxxx, "johsun" <johanskatt@xxxx> wrote:
> Hi,
>
> after rereading your post several times I'm still not sure I'm
> getting it, but here's how I interpret it:
>
> If a demandline on the day after the most recent pivotlow is higher
> than the close, then this pivotlow (the most recent) should not be
> regarded a pivotlow, - and that this should result in not just
> refraining from plotting the demandline, but retaining the previous
> one. (phew!)
>
> If this is correct then I think I'm unable to help you, too
> difficult for me! Guess you're on your own now :) - well not on
your
> own, plenty of skilled people on this board, I'm sure someone will
> work it out if you can't do it yourself.
>
> Regards
> Johan
>
>
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "marmal417" <marmal@xxxx> wrote:
> > Hi Johan,
> >
> > it's really two different things. The first was the arrows, which
> you
> > fixed.
> > The second is a matter of validating points. Let's say that you
> have
> > two pivot low points that you connect with a demand line. As it
> turns
> > out the close of the bar immediately after the most recent pivot
> > point is below the trendline. You can see what problem this
> creates?
> > If the stock opens unchanged the next day it will break the
> > trendline. It has to gap up on the open to avoid this. Therefore,
> if
> > the close the day after the most recent pivot low is below the
> > trendline that would be drawn, then the pivotpoint is
> disqualified,
> > and the line between the two previous pivot points is kept. Hope
> you
> > understand. I have a vague idea on how to do it, but haven't
tried
> it
> > yet.
> > By the way, here is the code I use now:
> >
> > Plot(C,"",colorBlack,styleBar);
> > pivothigh = Ref(C,-3)<H AND Ref(H,-2)<H AND Ref(H,-1)<H AND H>=Ref
> > (H,1);
> > pivotlow = Ref(C,-3)>L AND Ref(L,-2)>L AND Ref(L,-1)>L AND L<=Ref
> > (L,1);
> >
> > x1=LastValue(ValueWhen(pivotlow,Cum(1)-1,1));
> > y1=LastValue(ValueWhen(pivotlow,L,1));
> > x0=LastValue(ValueWhen(pivotlow AND L<y1,Cum(1)-1,1));
> > y0=LastValue(ValueWhen(pivotlow AND L<y1,L,1));
> > x3=LastValue(ValueWhen(pivothigh,Cum(1)-1,1));
> > y3=LastValue(ValueWhen(pivothigh,H,1));
> > x2=LastValue(ValueWhen(pivothigh AND H>y3,Cum(1)-1,1));
> > y2=LastValue(ValueWhen(pivothigh AND H>y3,H,1));
> >
> > supplyline=IIf(x2==0,Null,LineArray(x2,y2,x3,y3,1));
> > Plot(supplyline,"",colorRed,styleLine|styleThick|
> > styleNoRescale|styleNoLabel);
> > demandLine=IIf(x0==0,Null,LineArray(x0,y0,x1,y1,1));
> > Plot(demandLine,"",colorBlue,styleLine|
> > styleThick|styleNoRescale|styleNoLabel);
> >
> > PlotShapes((Cum(1)-1==x0 OR Cum(1)-1==x1)
> > *shapeSmallCircle,colorBlue,0,L);
> > PlotShapes((Cross(Cum(L<demandLine AND Cum(1)-2>x1),0))
> > *shapeDownArrow,colorRed,0,H);
> > PlotShapes((Cum(1)-1==x2 OR Cum(1)-1==x3)
> > *shapeSmallCircle,colorRed,0,H,12);
> > PlotShapes((Cross(Cum(H>supplyline AND Cum(1)-2>x3),0))
> > *shapeUpArrow,colorGreen,0,L);
> >
> > Title= Name()+" "+Date()+EncodeColor(colorBlack) +" Open-
"+WriteVal
> > (Open)+" Hi-"+WriteVal(High)+" Lo-"+WriteVal(Low)+" Close-
> "+WriteVal
> > (Close) +EncodeColor(colorRed)+" supply line "+WriteVal
(supplyline)
> > +EncodeColor(colorBlue)+" demand line "+WriteVal(DEMAndline)
> > +EncodeColor(colorRed)+"\n potential Buy "+WriteVal((y3-y2)/(x3-
x2)
> > +LastValue(supplyline))+EncodeColor(colorBlue)+" potential
> > Sell "+WriteVal((y1-y0)/(x1-x0)+LastValue(DEMAndline));
> > GraphXSpace=6;
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