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Nth values in a series may involve loops, which are not available in
MetaStock. For a possible solution, take a look at the "Nth Hi/Lo" at
http://www.metastocktools.com/MetaStock/NthHiLo.txt
Or perhaps this approach may be suitable:
======================
Range percentage bands
======================
---8<--------------------------
{ Percentage bands within range.
©Copyright 2006 Jose Silva.
For personal use only
http://www.metastocktools.com }
{ User inputs }
pr:=Input("Top/Bottom range percent [0~50%]",
0,50,20)/100;
pds:=Input("Range lookback periods",1,2600,200);
plot:=Input("plot: [1]Range and Percentage Levels, [2]Signals",1,2,
1);
{ Data array }
x:=C;
{ Percentage levels within Hi/Lo range }
hi:=HHV(x,pds);
lo:=LLV(x,pds);
RangeTopPercent:=(hi-lo)*(1-pr)+lo;
RangeBotPercent:=(hi-lo)*pr+lo;
{ Crossover of range percentage signals }
upper:=Cross(rangeTopPercent,x);
lower:=Cross(x,rangeBotPercent);
signals:=lower-upper;
{ Overbought/sold signals }
oBought:=x>rangeTopPercent;
oSold:=x<rangeBotPercent;
odd:=Frac(Cum(1)/2)<>0;
oBoughtFill:=If(odd,oBought,0);
oSoldFill:=If(odd,oSold,0);
{ Plot on price chart, signals in own window }
If(plot=1,hi,0);
If(plot=1,lo,(oSoldFill-oBoughtFill)*.5);
If(plot=1,rangeTopPercent,(oSold-oBought)*.5);
If(plot=1,rangeBotPercent,signals)
---8<--------------------------
jose '-)
http://www.metastocktools.com
--- In equismetastock@xxxxxxxxxxxxxxx, Bruno Flor <brunorendeiroflor@
....> wrote:
>
> Hi guys,
>
> I wonder if anyone can help me solve this problem:
>
> I want to create a indicator that plots the closing of security.
> And then it should plot 2 lines.
>
> The value of line A should be the value of the highest 40th
> closing in the last 200 bars.
>
> And the value of line B should be the value of the lowerst 40th
> closing in the last 200 bars.
>
> I'm not sure if I'm being clear, so let me show you an exemple
> using only 10 days:
>
> Day Close
>
> 1 10
> 2 9
> 3 5
> 4 6
> 5 8
> 6 6
> 7 4
> 8 2
> 9 1
> 10 3
>
> I want a line (line A) that the 20% highest closing will be above
> (or equal) it: in this case the value of the line would be 9.
>
> Line B would be one that the 20% lowerst closing will be below
> (or equal) it: in this case: 2.
>
> In this case using only 10 bars when a download bar number 11, the
> indicator would consider only the data for the last 10 bars
> (it would ignore bar number 1).
>
> Sorry about my poor English, I hope you understand my problem.
>
> Thanks in advance.
>
> Bruno Flor.
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