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Great, thank you.
//Martin
--- In amibroker@xxxxxxxxxxxxxxx, "johsun" <johanskatt@xxxx> wrote:
> Hi,
>
> You could change the demandline/supplyline definitions to the
> following to avoid plotting them when there is a new high/low:
>
> supplyline=IIf(x2==0,Null,LineArray(x2,y2,x3,y3,1));
> demandLine=IIf(x0==0,Null,LineArray(x0,y0,x1,y1,1));
>
> Johan
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "marmal417" <marmal@xxxx> wrote:
> > Yes, that's it! Now it automatically draws the most recent demand
> > line. I took the liberty to add a supply line by mirroring your
> code
> > and making the small changes necessary, but I never understood
> what I
> > was doing :-) I noticed a weird thing when this indicator is
> applied
> > to a stock making a new all time high. If the most recent
> pivothigh
> > is higher than any other pivothigh in the database then a line is
> > drawn from the bottom in the middle of the chart through the most
> > recent pivot high. It looks really strange. Can the code be
> modified
> > to draw no supplyline when there are no higher pivots to draw the
> > line from and draw no demand line when there are no lower pivots
> to
> > draw the line from?
> >
> > The basis for the systems I have seen based on TD Lines is that
> you
> > buy/cover when the supplyline is exceeded and sell/short when the
> > demand line is broken. Trendlines let you know in advance the day
> > before, the value of the trendline for the next trading day by
> > calculating the slope of the line and adding it to today's value
> of
> > the line. Therefore, one can place the orders in the evening as
> stop
> > orders so if a line is broken during the day a position is taken.
> > Anyway, I wrote the values of the lines for the next day in the
> > title. I realise it's not perfect, because some lines are no
> longer
> > valid lines (for example a supply line that has been exceeded
> etc.).
> > But more on that later.
> >
> > There are more improvements to be made, but I think it's getting
> > there :-)
> > //Martin
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