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Nope, different beasts. The basic engine of the "EMA - Volume
adaptable Mk III" is not a volume-weighted MA.
The easiest way to see the difference is to compare the two plots.
jose '-)
--- In equismetastock@xxxxxxxxxxxxxxx, "Andrew Tomlinson"
<andrew_tomlinson@xxxx> wrote:
>
> Hate to tell you, but...
>
> Bollinger describes a volume weighted MACD (VWMACD), where you
substitute
> volume-weighted moving averages for the exponential averages used in
the
> MACD, with the signal line remaining an exponential MA. Looks pretty
> similar.
>
> Originally described by Buff Dormeier in an unpublished CMT paper.
>
> Bollinger on Bollinger bands, p.39.
>
> Andrew
>
>
>
>
> -----Original Message-----
> From: Jose [mailto:josesilva22@x...]
> Sent: Tuesday, December 14, 2004 7:38 PM
> To: equismetastock@xxxxxxxxxxxxxxx
> Subject: [EquisMetaStock Group] Re: a new volume-adjusted MA
>
>
>
>
> Interesting indeed... I'm tempted to keep this one to myself.
>
> =============================
> EMA - Volume adaptable Mk III
> =============================
> ---8<------------------------
>
> { Volume adaptable EMA v3.0 }
> { EMA samples bars with above/below-avg Volume }
> { CCopyright 2004 Jose Silva }
> { For personal use only }
> { http://users.bigpond.com/prominex/pegasus.htm#metastock }
>
> { User inputs }
> pds:=Input("EMA periods",2,2520,21);
> x:=Input("use Open=1 High=2 Low=3 Close=4 WClose=5 P=6",1,6,4);
> shift:=Input("EMA vertical shift %", -100,100,0)/100+1;
> plot:=Input("[1]HiEMA, [2]LoEMA, [3]Both,[4]Diff, [5]Signals",1,5,3)
;
>
> { Select price field }
> x:=If(x=1,O,If(x=2,H,If(x=3,L,If(x=5,WC(),If(x=6,P,C)))));
>
> { Above/Below average Volume points }
> HiVol:=V>Mov(V,pds,E);
> LoVol:=V<Mov(V,pds,E);
>
> { Select above/below-avg bars for EMA } xHiVol:=ValueWhen(1,HiVol,x)
;
> xLoVol:=ValueWhen(1,LoVol,x);
>
> { EMAs }
> EmaHiVol:=Mov(xHiVol,pds,E);
> EmaHiVol:=EmaHiVol*shift;
> EmaLoVol:=Mov(xLoVol,pds,E);
> EmaLoVol:=EmaLoVol*shift;
>
> { EMA +/- difference }
> diff:=EmaHiVol-EmaLoVol;
>
> { EMA +/- difference crossover signals }
> signals:=Cross(diff,0)-Cross(0,diff);
>
> { Plot on price chart }
> If(plot=1,EmaHiVol,If(plot=2,EmaLoVol,
> If(plot=3,EmaLoVol,If(plot=4,0,0))));
> If(plot=1,EmaHiVol,If(plot=2,EmaLoVol,
> If(plot=3,EmaHiVol,If(plot=4,diff,signals))))
>
> ---8<------------------------
>
> jose '-)
>
>
>
> --- In equismetastock@xxxxxxxxxxxxxxx, Code 2 <Code2@xxxx> wrote:
> > Nice idea.
> >
> > You are analyzing the effect on price of high volume days (or
whatever
> > the periodicity). Equally telling is what happens to price on
> > low-volume days. Typically, a stock will rise on higher volume
and
> > drift lower on low volume, but not always. Perhaps it would be
useful
> > to compare high-volume average price to low-volume average price.
> >
> > Another variation would be to examine the spread between the
> > high-volume and low-volume averages. Yet another variation would
be
> > to plot the spread between the high-volume EMA and standard EMA,
as
> > well the spread between the low-volume EMA and standard EMA. If
the
> > moving averages are responsive enough, they might be able to
highlight
> > fundamental shifts. A kind of Ease of Movement indicator.
> >
> > Interesting stuff.
> >
> >
> >
> > From: Jose <josesilva22@xxxx>
> > To: equismetastock@xxxxxxxxxxxxxxx
> > Date: Tuesday, December 14, 2004, 2:35:35 PM
> > Subject: [EquisMetaStock Group] Re: a new volume-adjusted MA
> >
> > Ok, this is what I have so far:
> >
> > ======================
> > EMA - Volume adaptable
> > ======================
> > ---8<-----------------
> >
> > { Volume adaptable EMA v1.0 }
> > { EMA samples bars with above-avg Volume }
> > { CCopyright 2004 Jose Silva }
> > { For personal use only }
> > { http://users.bigpond.com/prominex/pegasus.htm#metastock }
> >
> > { User inputs }
> > pds:=Input("EMA periods",1,2520,21);
> > x:=Input("use Open=1 High=2 Low=3 Close=4 WClose=5 P=6",1,6,4);
> > shift:=Input("EMA vertical shift %", -100,100,0)/100+1;
> > plot:=Input("[1]EMA, [2]Data, [3]Sampling bars, [4]Crossovers",
1,
> > 4,1);
> >
> > { Select price field }
> > x:=If(x=1,O,If(x=2,H,If(x=3,L,If(x=5,WC(),If(x=6,P,C)))));
> >
> > { Above average Volume points }
> > VolAvgPlus:=V>Mov(V,pds,E);
> >
> > { Select above-avg bars for EMA } x:=ValueWhen(1,VolAvgPlus,x);
> >
> > { Reduce periodicity on low bar count } pds:
=If(pds>Cum(IsDefined(x)),
> > Cum(IsDefined(x)),pds);
> >
> > { EMA }
> > Ema:=x*2/(pds+1)+PREV*(1-2/(pds+1));
> > Ema:=Ema*shift;
> >
> > { Crossover signals }
> > signals:=Cross(x,Ema)-Cross(Ema,x);
> >
> > { Plot on price chart }
> > If(plot=1,Ema,If(plot=2,x,
> > If(plot=3,VolAvgPlus,signals)))
> >
> > ---8<-----------------
> >
> > jose '-)
> >
> >
> >
> > --- In equismetastock@xxxxxxxxxxxxxxx, "Jose" <josesilva22@xxxx>
> > wrote:
> >
> > This excellent post has given me an idea for coding a unique
Moving
> > Avg:
> > http://finance.groups.yahoo.com/group/equismetastock/message/15254
> >
> > How about a MA that only considers data on those days when the
volume
> > is x-periods above the average? Any further ideas/suggestions
before I
> > begin coding it?
> >
> > jose '-)
>
>
>
>
>
>
>
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