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William's A/D Oscillator

From: stinkerstock <no_reply /at\ yahoogroups.com>
To: equismetastock /at\ yahoogroups.com <equismetastock /at\ yahoogroups.com>
Date: Saturday, March 25, 2006, 8:12:40 PM
Subject: [EquisMetaStock Group] Jose - having trouble with Williams Osc

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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From: Jose Silva <josesilva22 /at\ yahoo.com>
To: equismetastock /at\ yahoogroups.com <equismetastock /at\ yahoogroups.com>
Date: Sunday, March 26, 2006, 3:57:42 AM
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.


William's A/D Oscillator

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


 

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

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From: Roy Larsen <rlarsen /at\ man.quik.co.nz>
To: equismetastock /at\ yahoogroups.com <equismetastock /at\ yahoogroups.com>
Date: Sunday, March 26, 2006, 4:06:08 AM
Subject: [EquisMetaStock Group] Re: Jose - having trouble with Williams Osc

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

Roy
www.metastocktips.co.nz

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From: stinkerstock <no_reply /at\ yahoogroups.com>
To: equismetastock /at\ yahoogroups.com <equismetastock /at\ yahoogroups.com>
Date: Sunday, March 26, 2006, 5:47:33 PM
Subject: [EquisMetaStock Group] Re: Jose - having trouble with Williams Osc

Dear Jose and Roy:

Thanks for responding guys. I think I did a bad job explaining the problem. The problem is not the daily or intraday plots....the oscillator plots well in daily AND intraday format. The problem is when I use it in the explorer to search for setups. It routinely rejects all of my intraday searches and gives the folling reasons:

Security Name Reason for Rejection Location

DJ06M*60 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
DVY*60 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
ES06M*10 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
ES06M*30 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
ES06M*60 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
GLD*60 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
NDX.X*10 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
NDX.X*60 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES
SPY*10 Error in column A: Invalid time period (zero or negative) passed to HHV() function. C:\MSdata\MsdataFES

* * * * * *

I suspect it may have something to do with the amount of intraday data I have and the parameters of the formula. I get my intraday data from quote.com and I think I only get about 200 bars of data per issue. I tried modifying the "pds" variable, but I can't seem to get any results.

Thanks again for any assistance.

Jim

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