Old Indicators from days gone bye

[Robert W Cummings <robert.cummings@xxxxxxxxxxxxxxxx>]

Resent-Date: Thu, 7 May 1998 00:22:32 -0700 (PDT)
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Date: Thu, 07 May 1998 15:18:27 +0800
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Subject: Re: TRANSLATE THIS ELA INTO ENGLISH
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Hi

Hmmm . . . looks like a volatility stop that (for long trades) adjusts
if today's high >= yesterday's 20 day xaverage of the highs.  If so,
take the highest close in the last 21 days and subtract the vol amount
(ARC), and you get the stop level (Sar) for tomorrow.

\Sorry if this comes in twice, all thumbs

Peter Chan
iPT

angus@xxxxxxxxxxxx wrote:
> 
> Can someone translate this ela in english ..the idea behind it.. I know it
> is volatility but what to undesstand it..thanks
> 
> iNPUT: LENGTH (21), CONST(3.05);
> vaR: SWITCH(1), TR(0), ARC(0), SAR(0),HISIC(0),LOSIC(0);
> TR= VOLATILITY (LENGTH);
> ARC= TR* CONST;
> IF CURRENTbar = length then begin
> hisic=c;
> losic=c;
> if h>= xaverage (h,length-1) [1] then begin
> hisic= highest(c,length);
> Sar=hisic-arc;
> switch= 1;
> end;
> if l <= xaverage (l,length-1) [1] then begin
> losic= lowest (c,length);
> sar = losic +arc;
> switch=0;
> end;
> end;