Re: [amibroker] SetForeign() function

["Tomasz Janeczko" <amibroker@xxxxxx>]

Dimitris,
 
1. SetForeign(Sym, True, True ) + Equity() work on both long 
& short sides too.
2. On my computer and QP2 database your code generates exactly 
the same results regardless
of stock displayed with both short/long sides
3. The reason of your problems may be that your database has 
holes in period under test
4. What is the purpose of sending this message in three copies 
?
( to group, tj -at- amibroker.com and support - at - 
amibroker.com )
 
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE 
>
  ----- Original Message ----- 
  <DIV 
  >From: 
  Dimitris 
  Tsokakis 
  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">amibroker@xxxxxxxxxxxxxxx ; <A 
  title=bugs@xxxxxxxxxxxxx href="">Tomasz Janeczko 
  ; Tomasz Janeczko 
  
  Sent: Saturday, October 18, 2003 11:55 
  AM
  Subject: [amibroker] SetForeign() 
  function
  
  Tomasz,I have the following problem with 
  SetForeign(SYM,True,True);When I use only Long trades, everything is OK 
  with the universal G
   // Trade the top Equity stock for the MACD 
  crossoverSTART=DateNum()==1000530 
  ;per=150;//Param("per",150,130,160,5);EVENT=BarsSince(START)%per==0;Plot(10000,"",Cum(1)%2,1);Plot(0,"",1,styleNoLine);G=0;NUM=254;list 
  = GetCategorySymbols( categoryGroup, NUM );for( i = 0; ( sym = StrExtract( 
  list, i ) ) != ""; i++ ){SetForeign(SYM,True,True);global 
  Buy;global Sell;// global Short;global 
  Cover;Buy=Cross(MACD(),Signal());Sell=Cross(Signal(),MACD());// 
  Short=Cross(Signal(),MACD());Cover=Cross(MACD(),Signal());E1=Equity();E11=ValueWhen(EVENT,E1);G=IIf(G>E11,G,E11);}Plot(G,"",1,1);
  When I change settings to Long and Short and uncomment the above 
  code, ie
   
   // Trade the top Equity stock for the MACD 
  crossoverSTART=DateNum()==1000530 
  ;per=150;EVENT=BarsSince(START)%per==0;Plot(10000,"",Cum(1)%2,1);Plot(0,"",1,styleNoLine);G=0;NUM=254;list 
  = GetCategorySymbols( categoryGroup, NUM );for( i = 0; ( sym = StrExtract( 
  list, i ) ) != ""; i++ ){SetForeign(SYM,True,True);global 
  Buy;global Sell;global Short;global 
  Cover;Buy=Cross(MACD(),Signal());Sell=Cross(Signal(),MACD());Short=Cross(Signal(),MACD());Cover=Cross(MACD(),Signal());E1=Equity();E11=ValueWhen(EVENT,E1);G=IIf(G>E11,G,E11);}Plot(G,"",1,1);
   
  then G is different when change ticker in symbol tree and it 
  is no more universal.
  Does SetForeign() works also with short trades ?Am I 
  missing something else?TIADimitris TsokakisSend 
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