Re: [EquisMetaStock Group] Re: Jose - having trouble with Williams Osc

["Roy Larsen" <rlarsen@xxxxxxxxxxxxxx>]

I plotted it on a 1 minute chart and couldn't produce an error either.


Roy
www.metastocktips.co.nz
 
----- Original Message ----- 
From: Jose Silva 
To: equismetastock@xxxxxxxxxxxxxxx 
Sent: Sunday, March 26, 2006 1:57 PM
Subject: [EquisMetaStock Group] Re: Jose - having trouble with Williams Osc


I've plotted the indicator below on a Euro/USD 1-min chart, but can't 
see any problems.

---8<---------------------------------

pds:=Input("Normalizing lookback pds
(1= historical Hi/Lo)",1,2600,150);

{ Plot 1: Price section }
PriceX:=C;

{ Plot 2: Indicator/Oscillator section }
IndX:=WillA();

{ Choose x pds or historical Price High/Low }
Hi:=If(pds>1,HHV(PriceX,pds),Highest(PriceX));
Lo:=If(pds>1,LLV(PriceX,pds),Lowest(PriceX));

{ Price normalized to 0~100% }
PriceNorm:=(PriceX-Lo)/Max(Hi-Lo,.000001)*100;

{ Choose x pds or historical Indicator High/Low}
Hi:=If(pds>1,HHV(IndX,pds),Highest(IndX));
Lo:=If(pds>1,LLV(IndX,pds),Lowest(IndX));

{ Indicator normalized to 0~100% }
IndicatorNorm:=(IndX-Lo)/Max(Hi-Lo,.000001)*100;

{ Plot in own window }
{PriceNorm;IndicatorNorm}
(IndicatorNorm-PriceNorm)/25

---8<---------------------------------


jose '-)
http://www.metastocktools.com



--- In equismetastock@xxxxxxxxxxxxxxx, stinkerstock <no_reply@xxx> 
wrote:
>
> Dear Jose:
> 
> A while back you provided me with a formula to convert the Williams 
> A/D study into an oscillator.  It went like this:
> 
> pds:=Input("Normalizing lookback periods (1= historical 
> Hi/Lo)",1,2600,150);
> { Plot 1: Price section }
> PriceX:=C;
> { Choose x pds or historical Price High/Low }
> Hi:=If(pds>1,HHV(PriceX,pds),Highest(PriceX));
> Lo:=If(pds>1,LLV(PriceX,pds),Lowest(PriceX));
> { Price normalized to 0~100% }
> PriceNorm:=(PriceX-Lo)/Max(Hi-Lo,.000001)*100;
> { Plot 2: Indicator/Oscillator section }
> IndX:=WillA();
> { Choose x pds or historical Indicator High/Low}
> Hi:=If(pds>1,HHV(IndX,pds),Highest(IndX));
> Lo:=If(pds>1,LLV(IndX,pds),Lowest(IndX));
> { Indicator normalized to 0~100% }
> IndicatorNorm:=(IndX-Lo)/Max(Hi-Lo,.000001)*100;
> { Plot in own window }
> {PriceNorm;IndicatorNorm}
> (IndicatorNorm-PriceNorm)/25
> 
> This works perfectly on daily data but, for some reason, when I use 
> the formula in explorer to sift through intrday data I always get an 
> overflow error message.  I've tried to modify it but nothing seems 
> to work.  Any chance you could help again?
> 
> Thanks in advance,
> 
> Jim








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