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Re: Indicator formula structure



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Yeah!....what Al said...
-Corey

----- Original Message -----
From: "Al Taglavore" <altag@xxxxxxxxxx>
To: <metastock@xxxxxxxxxxxxx>
Sent: Tuesday, April 17, 2001 10:40 AM
Subject: Re: Indicator formula structure


> The formula for converting exponential percentages to time periods is:
>
> Time Periods= (2 / %)-1
>
> Time periods to exponental percentages is:
>
> Exponential Percentages= 2 / time peiods + 1
>
> This is taken from the book Technical Analysis from A to Z by Steven B.
> Achelis.
>
> You should be able to access this from the Help Index.
>
> An exponential moving average is calculated by applying a percntage of
> today's closing price to yesterday's moving average value.
>
> Al Taglavore
> ----------
> > From: John Adair <xjadair@xxxxxxxxxxxx>
> > To: metastock@xxxxxxxxxxxxx
> > Subject: RE: Indicator formula structure
> > Date: Tuesday, April 17, 2001 11:12 AM
> >
> > Hi Corey
> > I do not understand where the 0.15 and 0.075 comes from. Would you
> please
> > explain
> >
> >
> > -----Original Message-----
> > From: owner-metastock@xxxxxxxxxxxxx
> [mailto:owner-metastock@xxxxxxxxxxxxx]On
> > Behalf Of C.S.
> > Sent: Monday, April 16, 2001 8:03 PM
> > To: MetaStock List
> > Subject: Re: Indicator formula structure
> >
> > The majority of the stuff below is from MS online help.
> >
> > The MACD is the difference between a 26-day and 12-day exponential
moving
> > average. A 9-day exponential moving average, called the "signal" (or
> > "trigger") line is plotted on top of the MACD to show buy/sell
> > opportunities.
> >
> > TEMA is an acronym that stands for Triple Exponential Moving Average.
> > However, the name of this smoothing technique is a bit misleading in
that
> it
> > is not simply a moving average of a moving average of a moving average.
> It
> > is a unique composite of a single exponential moving average, a double
> > exponential moving average, and a triple exponential moving average that
> > provides less lag than either of the three components individually.
> >
> > Most analysts (including Equis International's) say that the MACD
> indicator
> > is "the difference between 12-day and 26-day exponential moving
> averages."
> > However, the indicator is really the difference between 0.15 and 0.075
> > exponential moving averages (whereas, when expressed in decimal form,
the
> > 12- and 26-day exponential moving averages are actually 0.153846 and
> > 0.076923 exponential moving averages).  See Moving Average Calculation
> > Methods for more information on exponential moving average calculation
> > methods.
> >
> > EXAMPLE The formula "macd()" returns the value of the MACD indicator
> (i.e.,
> > the solid line).  The formula "mov(macd(),9,E)" returns the value of the
> > MACD's signal line (i.e., the dotted line).
> >
> > Due to these minor differences in the exponential values, the following
> > formula is slightly different than the predefined MACD indicator.
> Remember
> > that you can plot the true MACD indicator using the macd() function (see
> > MACD).
> > mov( close, 12, E) - mov( close, 26, E)
> > The MACD's trigger (which is a 9-day exponential moving average of the
> MACD
> > indicator) can be calculated as shown below:
> > mov( macd(), 9, E)
> >
> > mov( close, 12, E) - mov( close, 26, E) is
> > Tema(C,shortperiods)-Tema(C,longperiods);
> > mov( macd(), 9, E) is Mov(Tema(C,shortperiods) -
> > Tema(C,longperiods),signal,E)
> >
> > -Corey
> >
> > ----- Original Message -----
> > From: "Greg Haworth" <GregHaworth@xxxxxxxxxxxxxxxxxx>
> > To: <metastock@xxxxxxxxxxxxxxxxxx>
> > Sent: Monday, April 16, 2001 12:18 PM
> > Subject: Indicator formula structure
> >
> >
> > > Newbie Question
> > >
> > > I just started playing around with MS, so please excuse what will seem
> > like
> > > a "stupid" question.
> > >
> > > I don't quite grasp the structure of the formulas.  I can't seem to
> find
> > it
> > > in the manuals,  is there some kind soul out here that can direct me
in
> > the
> > > right direction?  I am specifically stumped trying to create a
specific
> > > period MACD.  I tried modifying the canned DEMA MACD formula.
> > >
> > > Here is where the structure eludes me.  I understand short, long, and
> > > signal periods (i think! short MA, Long MA, and averaging period) but
> why
> > > are there three terms in the brackets instead of just one??
> > >
> > > I would take any guidance that can be offered -- i am really just a
> little
> > > overwhelmed.
> > >
> > > regards/greg
> > >
> >
> >
> >
>