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Hi Martin,
You wrote:
> Do you know how to code the other crieteria for the lines, i.e.
the
> close on the day immediately after a pivot cannot exceed the new
> trendline?
If you mean what you wrote earlier, that arrows should be excluded
from the day after a pivotbar then that's what this change achieves.
> > Just change Cum(1)-1 to Cum(1)-2 in these lines:
> >
> > PlotShapes((Cross(Cum(C<demandLine AND Cum(1)-1>x1),0))
> > *shapeDownArrow,colorRed,0,H);
> >
> > PlotShapes((Cross(Cum(C>supplyline AND Cum(1)-1>x3),0))
> > *shapeUpArrow,colorGreen,0,L);
> >
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "marmal417" <marmal@xxxx>
wrote:
> > > Next thing is really to remove up and down arrows from the bar
> > after
> > > a pivot point. Since a line is only drawn once the pivot point
is
> > > completed, it can't really be broken during the day
immediately
> > after
> > > a pivot point because the line isn't drawn until after the
close
> > of
> > > that day. Anyway, is there a way to exclude arrows from the
day
> > after
> > > the pivot?
> > >
> > > Another thing Demark writes about is the reliability of lines
> > which
> > > are penetrated at the close the day after the pivot point.
Let's
> > take
> > > for example a new pivot low being created. Upon completion of
> this
> > > most recent pivot low (higher lows on both sides) you connect
the
> > > second most recent pivotlow with this newformed one. As it
turns
> > out,
> > > the line that is drawn between the two pivotlows is penetrated
by
> > the
> > > close of the day after the most recent pivotlow, i.e. the last
> day
> > on
> > > the chart if a new pivotlow has just been created. In that
case,
> > says
> > > Demark, it raises the question of reliability regarding that
> > specific
> > > line.
> > > To program this I guess you would have to calculate the slope
of
> > the
> > > trendline and add that value to the low of the last pivotlow
> > (since
> > > the trendline crosses through that point) and check whether or
> not
> > > the close the day after is lower than the value of the line.
And
> > if
> > > it is lower, no line would be drawn.
> > > Demark writes that a close below the demand line on the day
after
> > a
> > > pivotlow doesn't necessarily invalidate that line, but I think
> > it's
> > > better to assume that is the case. Because in order for the
line
> > not
> > > to be broken the next day, the stock would have to gap up past
> the
> > > line again and never retrace back to the line during the day.
> > >
> > > Hope you understand me.
> > >
> > > //Martin
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