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RE: [amibroker] Combined Equity Curve



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NO NO 
NO... that will never work.   Sorry I didn't get back to you late last 
night on this issue.
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size=2> 
One 
AddToComposite will do the job.
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size=2> 
Others 
on this list probably do things differently, but here is how I do 
it.
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First 
of all, I set my total capital to a rather large value (say 
$500,000).
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size=2> 
I then 
set PositionSize to a more realistic value (say 
$50,000).
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size=2> 
The 
reason for the above is so that AB won't run out of money and distort 
things.  My objective (not everyone else's) is to see how well the system 
performs for the entire period.  If it runs out of funds, it will stop 
trading or reduce the size of the bet.   You may wish to do that... I 
don't.
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size=2> 
You 
then run Scan as you normally would, running through your watchlist or group or 
whatever.
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size=2> 
You 
would have one statement to do the accumulation and it would look something like 
this:
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size=2> 
<FONT face=Arial color=#0000ff 
size=2>AddToComposite (Equity()-500000, 
"~myComposite","x",7);
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size=2> 
I use 
this approach all the time and it works fine.  
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>
  <FONT face="Times New Roman" 
  size=2>-----Original Message-----From: Mr Valley 
  [mailto:valleymj@xxxxxxxxxxx]Sent: Saturday, July 12, 2003 4:30 
  PMTo: AmibrokerSubject: [amibroker] Combined Equity 
  Curve
  If I want to 
  create a Combined Equity curve over the entire database or 
  symbols,
  do I need to enter 
  every Symbol in the formula or there an easier way?
  <FONT face=Arial 
  size=2> 
  
  <SPAN 
  class=550470207-12072003>What am I doing wrong 
  here?
  and 
  what is the correct usage?
  Will 
  AddToComposite add an addtional Symbol to 
  a watchlist that I will need to go and delete later 
  too?
  What 
  is the best way to do this?Mr Valley
  <SPAN 
  class=550470207-12072003> 
  
  B1 = Buy;  //<SPAN 
  class=144302620-12072003> The Buy / Sell Formula Code <SPAN 
  class=144302620-12072003>Would be Above
  S1 = Sell; 
  //Buy1 = Buy;
  //Sell1 = Sell;
  Short=Sell; 
  Cover=Buy; 
  Buy=ExRem<FONT 
  size=1>(Buy,Sell); Sell=<FONT color=#0000ff 
  size=1>ExRem(Sell,Buy); 
  Short=ExRem<FONT 
  size=1>(Short,Cover); Cover=<FONT color=#0000ff 
  size=1>ExRem(Cover,Short); <FONT 
  color=#0000ff size=1>
  AddToComposite( <FONT 
  color=#0000ff size=1>Equity(), <FONT 
  color=#ff00ff size=1>"~CompositeEquity", 
  "C" 
  );
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~AAPL"<FONT 
  color=#000000 size=1>,"C"<FONT 
  size=1>);
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~BGEN"<FONT 
  color=#000000 size=1>,"C"<FONT 
  size=1>);
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~CSCO"<FONT 
  color=#000000 size=1>,"C"<FONT 
  size=1>);
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~<FONT 
  face=Tahoma color=#ff00ff size=1>DELL<FONT color=#ff00ff 
  size=1>",<FONT color=#ff00ff 
  size=1>"C");<FONT 
  color=#0000ff size=1>
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~<FONT 
  face=Tahoma color=#ff00ff size=1>MSFT<FONT color=#ff00ff 
  size=1>",<FONT color=#ff00ff 
  size=1>"C");<FONT 
  color=#0000ff size=1>
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~<FONT 
  face=Tahoma color=#ff00ff size=1>QQQ<FONT color=#ff00ff 
  size=1>",<FONT color=#ff00ff 
  size=1>"C");<FONT 
  color=#0000ff size=1>
  AddToComposite(C><FONT 
  color=#0000ff size=1>Ref<FONT color=#000000 
  size=1>(C,-1<FONT 
  color=#000000 size=1>),"~<FONT 
  face=Tahoma color=#ff00ff size=1>YHOO<FONT color=#ff00ff 
  size=1>",<FONT color=#ff00ff 
  size=1>"C");
  E0 = Foreign<FONT 
  size=1>("~CompositeEquity"<FONT 
  size=1>, "C" );
  A0=Foreign<FONT 
  size=1>("~AAPL"<FONT 
  size=1>,"C");
  A1=Foreign<FONT 
  size=1>("~BGEN"<FONT 
  size=1>,"C");
  A2=Foreign<FONT 
  size=1>("~CSCO"<FONT 
  size=1>,"C");
  A3=<FONT 
  color=#0000ff size=1>Foreign(<FONT color=#ff00ff 
  size=1>"~DELL<FONT 
  color=#ff00ff size=1>",<FONT color=#ff00ff 
  size=1>"C");
  A4=<FONT 
  color=#0000ff size=1>Foreign(<FONT color=#ff00ff 
  size=1>"~MSFT<FONT 
  color=#ff00ff size=1>",<FONT color=#ff00ff 
  size=1>"C");
  A5=<FONT 
  color=#0000ff size=1>Foreign(<FONT color=#ff00ff 
  size=1>"~QQQ<FONT 
  color=#ff00ff size=1>",<FONT color=#ff00ff 
  size=1>"C");
  A6=<FONT 
  color=#0000ff size=1>Foreign(<FONT color=#ff00ff 
  size=1>"~YHOO<FONT 
  color=#ff00ff size=1>",<FONT color=#ff00ff 
  size=1>"C");
  E00=E0/(A0+A1+A2+A3+A4+A5+A6<FONT 
  size=1>);
  Graph0=IIf<FONT 
  size=1>(E00>0<FONT 
  size=1>,E00,10000<FONT 
  size=1>);
  Graph0BarColor=7<FONT 
  size=1>;Graph0Style=8<FONT 
  size=1>;
  Graph1=Equity<FONT 
  size=1>();Graph1BarColor=<FONT color=#ff00ff 
  size=1>4;Send 
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