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The same idea is applied to other calculations, available till now
via AddToComposite() function.
Example, my MACDBULL indicator at the "Trending or Trading" in AFL
Library.
See a short example, for a database ^NDX, MSFT, INTC
C1=C;
N0="^NDX";C=Foreign(N0,"C");
MACD0=MACD();Signal0=Signal();
MACDbull0=MACD0>Signal0;
N1="MSFT";C=Foreign(N1,"C");
MACD1=MACD();Signal1=Signal();
MACDbull1=MACD1>Signal1;
N2="INTC";C=Foreign(N2,"C");
MACD2=MACD();Signal2=Signal();
MACDbull2=MACD2>Signal2;
C=C1;
MACDbull=MACDbull0+MACDbull1+MACDbull2;
Plot(MACDbull,"MACDBULL",2,8);
The MACDBULL indicator is simply updated automatically with any new
EOD.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
wrote:
> An interesting side effect of
> http://groups.yahoo.com/group/amibroker/message/40042
> is that we may calculate MeanIndicators without AddToComposite()
use.
> It is obvious from
> H1=H;L1=L;C1=C;
> N0="^NDX";H=Foreign(N0,"H");L=Foreign(N0,"L");C=Foreign(N0,"C");
> StochD0=StochD();
> N1="MSFT";H=Foreign(N1,"H");L=Foreign(N1,"L");C=Foreign(N1,"C");
> StochD1=StochD();
> N2="INTC";H=Foreign(N2,"H");L=Foreign(N2,"L");C=Foreign(N2,"C");
> StochD2=StochD();
> H=H1;L=L1;C=C1;
> MeanStochD=(StochD0+StochD1+StochD2)/3;
> we may have the MeanStochD of a database as a daily function,
updated
> with the new EOD without scan the database.
> The great advantage is in intraday use, if you ever run 10 or 20
> times/session the AddToComposite() formula to see
> is the MeanIndicator crosses the critical level or not.
> The same idea may be applied to
> http://groups.yahoo.com/group/amibroker/message/40045
> expressed with the most recent amibroker function() property :
> /* WRITE ONCE */
> function ForeignADX( symbol, period )
> {
> /* save original price arrays */
> SC = C;
> SO = O;
> SH = H;
> SL = L;
>
> C = Foreign( symbol, "C" );
> H = Foreign( symbol, "H" );
> L = Foreign( symbol, "L" );
> O = Foreign( symbol, "O" );
>
> Result = ADX( period ); // REPLACE THIS BY ANY AFL FUNCTION
>
> /* restore original arrays */
> C = SC;
> O = SO;
> H = SH;
> L = SL;
>
> return Result;
> }
>
>
> /* USE MANY TIMES */
>
> ADX0=ForeignADX( "MSFT", 14 );
>
> ADX1=ForeignADX( "IBM", 14 );
>
> ADX2=ForeignADX( "AAPL", 14 );
>
> MeanADX=(ADX0+ADX1+ADX2)/3;
>
>
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS"
<TSOKAKIS@xxxx>
> wrote:
> > Tomasz,
> > My intention was to present an [interesting IMO] AddToComposite()
> > application, to show "what can be done".
> > I did not claim it was the shortest way to Rome.
> > BTW, in your code you need the analytic definition of Stochastic
> > functions .
> > [do you consider it easily available to a user ? I love the
> > definitions but, many messages in this list will not agree]
> > I am not sure if people have an easy reference to the analytic
> > definition for ANY AFL built-in function.
> > Just some examples : accdist(), adx( ), chaikin( ), mfi( ).
> > Much more, who knows if adx(), for example, is a function of C or
H
> > or L or V or a combination ?
> > You also suppose a user familiar to T/A anlytic expressions, ie
an
> > advanced user.
> > [I do not have the same experience from the messages of this list]
> > And, of course, I knew a quite simple solution without
> AddToComposite
> > () or Function() or analytic definition use before posting
> > this contribution.
> > Just replace all HLCV arrays, redefine them at the end and thatīs
> it.
> > H1=H;L1=L;C1=C;V1=V;
> > N="^NDX";H=Foreign(N,"H");L=Foreign(N,"L");C=Foreign(N,"C");
> > StochDNDX=StochD();
> > N="MSFT";H=Foreign(N,"H");L=Foreign(N,"L");C=Foreign(N,"C");
> > StochDMSFT=StochD();
> > N="INTC";H=Foreign(N,"H");L=Foreign(N,"L");C=Foreign(N,"C");
> > StochDINTC=StochD();
> > Plot(StochDNDX,"^NDX",4,1);Plot(StochDMSFT,"MSFT",1,1);Plot
> > (StochDINTC,"INTC",2,1);
> > H=H1;L=L1;C=C1;V=V1;
> > Plot(StochD(),Name(),7,2);
> > Thank you for the interesting Function() example.
> > Dimitris Tsokakis
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
> <amibroker@xxxx>
> > wrote:
> > > Hello,
> > >
> > > Much easier to use (not requiring any pre-scan) and less
resource
> > consuming is
> > > ( AB 4.33 or higher )
> > >
> > > function ForeignStochD( symbol, Kperiod, Dperiod )
> > > {
> > > FC = Foreign( symbol, "C" );
> > > FH = Foreign( symbol, "H" );
> > > FL = Foreign( symbol, "L" );
> > >
> > > FASTSTOCHK = 100*(FC-LLV(FC,kPeriod))/(HHV(FH,kPeriod)-LLV
> > (FL,kPeriod));
> > > SLOWSTOCHK = MA( FastStochK, Dperiod );
> > > SLOWSTOCHD = MA( SLOWSTOCHK, Dperiod );
> > > return SLOWSTOCHD;
> > > }
> > >
> > > Plot( ForeignStochD( "MSFT", 14, 3 ), "Stoch MSFT", colorRed );
> > >
> > > Plot( ForeignStochD( "IBM", 14, 3 ), "Stoch MSFT", colorBlue );
> > >
> > > Plot( ForeignStochD( "AAPL", 14, 3 ), "Stoch MSFT",
colorGreen );
> > >
> > >
> > > Best regards,
> > > Tomasz Janeczko
> > > amibroker.com
> > > ----- Original Message -----
> > > From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > Sent: Thursday, May 08, 2003 10:04 PM
> > > Subject: [amibroker] Relative Indicator Values
> > >
> > >
> > > > To compare indicator X values with some reference stocks, run
> in
> > AA
> > > > the
> > > >
> > > > X=StochD();
> > > > AddToComposite(X,"~StochD"+Name(),"C");
> > > > Buy=0;
> > > >
> > > > All individual Stochastics are now separate tickers
> > > > ~StochD^NDX
> > > > ~StochDAAPL
> > > > ~StochDMSFT
> > > > etc.
> > > > In IB paste
> > > >
> > > > Plot(Foreign("~StochD^NDX","C"),"^NDX",4,8);
> > > > Plot(Foreign("~StochDMSFT","C"),"MSFT",1,1);
> > > > Plot(Foreign("~StochDINTC","C"),"INTC",2,1);
> > > > Plot(Foreign("~StochD"+Name(),"C"),Name(),7,2);
> > > >
> > > > to compare each stock StochD with the 3 references ^NDX,
MSFT,
> > INTC.
> > > >
> > > > X may be any complicated function. Just place
> > > >
> > > > X=myFunction;
> > > > AddToComposite(X,"~myFunctionName"+Name(),"C");
> > > > Buy=0;
> > > >
> > > > Dimitris Tsokakis
> > > >
> > > >
> > > >
> > > > Send BUG REPORTS to bugs@xxxx
> > > > Send SUGGESTIONS to suggest@xxxx
> > > > -----------------------------------------
> > > > Post AmiQuote-related messages ONLY to:
> amiquote@xxxxxxxxxxxxxxx
> > > > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> > > > --------------------------------------------
> > > > Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > > >
> > > > Your use of Yahoo! Groups is subject to
> > http://docs.yahoo.com/info/terms/
> > > >
> > > >
> > > >
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