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Tomasz,
thank you for your reply.
The situation now became very complicated.
The results change from ticker to ticker !!
[the same with the top5, it is different from ticker to ticker]
// SELECT LAST EQUITY() VALUE
function select( listnum )
{
list = GetCategorySymbols( categoryGroup, listnum );
Rank = 0;
for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
{
SetForeign(SYM);
global Buy;
global Sell;
Buy=Cross(StochD(),30);Sell=Cross(50,StochD());E1=Equity();
f=LastValue(E1);
Rank[BarCount-1-i] = f;
}
return Rank ;
}
No=254;
R= Select(No);H0=Select(No);
Plot(H0,"",2,2);
On the other side, the
// SELECT THE LAST MACD() VALUE
function select( listnum )
{
list = GetCategorySymbols( categoryGroup, listnum );
Rank = 0;
for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
{
SetForeign(SYM);
f=LastValue(MACD());
Rank[BarCount-1-i] = f;
}
return Rank ;
}
No=254;
R= Select(No);H0=Select(No);
Plot(H0,"",2,2);
is perfect. It plots the MACD() of the last bar and [as expected] is
the same graph for any selected ticker.
Totally confused...
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Hello,
>
> No, Equity works well too inside functions BUT.. you
> have to ensure that Buy/Sell/... BuyPrice/ ... variables used
inside function
> are declared as GLOBAL. This is so because Equity uses global
buy/sell
> variables to evaluate results.
>
> function BlahBlah()
> {
> global Buy;
> global Sell;
>
> Buy = ...
> Sel = ...
>
> e = Equity();
>
> ...
> }
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Tuesday, October 07, 2003 8:09 AM
> Subject: [amibroker] Re: The top10 ROC(C,1)
>
>
> > Tomasz,
> > thank you for your comments, but, I was expecting a similar
behavior
> > with Equity() function.
> > As you see at
> > http://groups.yahoo.com/group/amibroker/message/49275
> > this attempt failed.
> > I can not explain it.
> > Equity() function worked properly inside loops, for example, the
> > for(k=30;k<50;k=k+5)
> > {
> > Buy=Cross(RSI(),k);Sell=Cross(50,RSI());z1=Equity(1,0);
> > Plot(z1,"",1,1);
> > }
> > gives the expected result.
> > Is there any problem when we use Equity() inside a Function ?
> > TIA
> > Dimitris Tsokakis
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
<amibroker@xxxx>
> > wrote:
> > > Dimitris,
> > >
> > > Your AFL coding is poetry !
> > > Thanks for showing the power of AFL.
> > >
> > > Best regards,
> > > Tomasz Janeczko
> > > amibroker.com
> > > ----- Original Message -----
> > > From: Dimitris Tsokakis
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Sent: Saturday, October 04, 2003 11:26 PM
> > > Subject: [amibroker] The top10 ROC(C,1)
> > >
> > >
> > > Hypothesis :
> > > *My Nasdaq100 stocks are placed in Group254.
> > > *They are 101, the 100 stocks and the index ^NDX.
> > > *They are absolutely aligned, they begin from the same date
and
> > include the same bars.
> > > Question :
> > > The top10 last day ROCs.
> > > The idea :
> > > I will read the 101 ROC values for the last day and then I
will
> > place them as the last 101 elements of an artificial array H0.
> > > Then, I will search for the highest value.
> > > As soon as it is detected and localised in detail, in the
very
> > next step it will be replaced by -1000 .
> > > In the new search the 2nd highest will be detected etc.
> > > There is an internal loop counter to give the rank #
> > > A solution :
> > > There is no need for any exploration.
> > > In indicator builder window paste the
> > >
> > > // Top10 ROCs
> > > function naming( listnum,ORdNo )
> > > {
> > > list = GetCategorySymbols( categoryGroup, listnum );
> > > for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
> > > {
> > > if(i==ORdno)
> > > {
> > > n1=sym;
> > > }
> > > }
> > > return n1 ;
> > > }
> > > function select( listnum )
> > > {
> > > list = GetCategorySymbols( categoryGroup, listnum );
> > > Rank = 0;
> > > for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
> > > {
> > > C1 = Foreign( sym, "C" );
> > > f=LastValue(ROC(C1,1));
> > > Rank[BarCount-1-i] = f[i];
> > > }
> > > return Rank ;
> > > }
> > > No=254;// my N100 database is in Group254
> > > R= Select(No);H0=Select(No);G=0;
> > > Plot(H0,"",2,2);
> > > G0=0;
> > > L1=LastValue(Cum(1));
> > > N=101;// the population of my database
> > > TOP=10;// 10 may change from 1 to 101
> > > Counter=0;Title="Top10 ROC"+"\n";
> > > for(K=1;K<=TOP;K++)
> > > {
> > > H1=LastValue(HHV(H0,n));
> > > BAR1=LastValue((ValueWhen(H0==H1,Cum(1)-1)));
> > > H0[BAR1]=-1000;
> > > Counter=Counter+1;
> > > G0[L1-CountER]=-H1;
> > > shape=IIf(Counter==1,shapeDigit1,
> > > IIf(Counter==2 ,shapeDigit2,
> > > IIf(Counter==3 ,shapeDigit3,
> > > IIf(Counter==4 ,shapeDigit4,
> > > IIf(Counter==5 ,shapeDigit5,
> > > IIf(Counter==6 ,shapeDigit6,
> > > IIf(Counter==7 ,shapeDigit7,
> > > IIf(Counter==8 ,shapeDigit8,
> > > IIf(Counter==9 ,shapeDigit9,
> > > shapeDigit0)))))))));
> > > PlotShapes((Cum(1)==bar1+1)*shape,Counter,0,Graph0,5);
> > > Title=Title+WriteVal(Counter,1.0)+")"+WriteVal(H1)+ "
["+WriteVal
> > (L1-bar1-1,1.0)+"-"+naming(254,L1-bar1-1)+"]"+ "\n";
> > > }
> > > Plot((Cum(1)>L1-N)*R,"",(H0==-10)*6+1,2);
> > > Plot(0,"",1,1);
> > > GraphXSpace=3;
> > >
> > > and you will have all related info.
> > > The ROC magnitudes, for a useful visual outline at a glance,
the
> > top10 ROCs, the values, the ordinal No of the stocks, the names,
> > everything.
> > > The graph and its info is unique, it will remain the same
when
> > you move from ticker to ticker and will change by the next EOD
update.
> > > A similar procedure may give the bottom10 stocks.
> > > Ranking questions for an individual stock, indicators arrays
for
> > individuals or the whole WatchList/Group etc have clear and quick
> > solutions
> > > thanks to the great GetCategorySymbols() function.
> > > The rest is looping tricks of a non-programmer and it is
better
> > to make an indulgent criticism...
> > > Dimitris Tsokakis
> > >
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