Re: volatility bands on oscillators

["Walter Lake" <wlake@xxxxxxxxx>]

Thanks Adam

We'll have to wait until Lenny posts the code.

Best regards

Walter

----- Original Message -----
From: VonHef <VonHef@xxxxxxxxxxxxx>
To: <metastock@xxxxxxxxxxxxx>
Sent: Monday, June 14, 1999 6:05 PM
Subject: Re: volatility bands on oscillators


> I'm not sure how to create "Bands" on a oscillator, based on the
> "Average True Range" since the ATR function is derived from the
> days High and Low. I did manage to modify the "Denvelope"
> code to work on the "RSI". This code may be worthless....but here
> it is:
>
> name:Denvelope (RSI)
>
> pds:=Input("Periods",2,200,14);
> sd:=Input("Standard Deviations",.01,10,2);
> D1:= RSI(pds);
> alpha:=2/(pds+1);
> mt:=alpha*D1+(1-alpha)*(If(Cum(1)<pds,D1,PREV));
> ut:=alpha*mt+(1-alpha)*(If(Cum(1)<pds,D1,PREV));
> dt:=((2-alpha)*mt-ut)/(1-alpha);
> mt2:=alpha*Abs(D1-dt)+(1-alpha)*PREV;
> ut2:=alpha*mt2+(1-alpha)*PREV;
> dt2:=((2-alpha)*mt2-ut2)/(1-alpha);
> but:=dt+sd*dt2;
> blt:=dt-sd*dt2;
> blt;
> dt;
> but;
>
>
>   Best wishes,
>       Adam Hefner.
> VonHef@xxxxxxxxxxxxx
>
> ---------------------------------------
> ----- Original Message -----
> From: Walter Lake <wlake@xxxxxxxxx>
> To: <metastock@xxxxxxxxxxxxx>
> Sent: Monday, June 14, 1999 1:05 PM
> Subject: Re: volatility bands on oscillators
>
>
> > The lady's name is Constance Brown. Her web site is www.aeroinvest.com
> >
> > She doesn't recommend the Bollinger Bands but instead uses ATR bands.
BB's
> > give a totally different look.
> >
>