Re: [amibroker] Percent Profit Trailing Stop Question

["Al Venosa" <advenosa@xxxxxxxxxxxx>]

I get the same thing Herman gets. I think what seems to be happening  
is that, using EOD data, AB has no way of knowing which occurred first, the high 
or the low. So, it simply exits longs if the profit target was hit anytime 
during the day regardless of whether or not it was hit after entry or before 
entry. Opposite for short. Doesn't seem like a useful feature to use in 
backtesting. 
 
Al Venosa
<BLOCKQUOTE dir=ltr 
>
  ----- Original Message ----- 
  <DIV 
  >From: 
  Herman van den 
  Bergen 
  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">amibroker@xxxxxxxxxxxxxxx 
  Sent: Wednesday, June 30, 2004 8:11 
  AM
  Subject: RE: [amibroker] Percent Profit 
  Trailing Stop Question
  
  <SPAN 
  class=500335011-30062004>Ed/DT, the QQQ (all quotations) gives 
  me about 500%, why? See reports attached.
  
  
  
  <SPAN 
  class=500335011-30062004>Net Profit % 500.28 % 286.54 % 213.74 % 
  Exposure % 8.71 % 4.28 % 4.43 % <FONT 
  face=Arial color=#0000ff size=2><SPAN 
  class=500335011-30062004>
  <SPAN 
  class=500335011-30062004>Settings:  Initial Equity: 1000  
  Periodicity/Positions: Daily/Long Short  Commissions: 0.01 per 
  share  <SPAN 
  class=500335011-30062004><IMG alt="" hspace=0 
  src="jpg00078.jpg" align=baseline 
  border=0>
  <SPAN 
  class=500335011-30062004> 
  <SPAN 
  class=500335011-30062004>herman<FONT face=Arial 
  color=#0000ff size=2>
   
  
    <FONT face=Tahoma 
    size=2>-----Original Message-----From: E Winters 
    [mailto:e.winters1@xxxxxxxxxxx]Sent: Tuesday, June 29, 2004 10:10 
    PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: 
    [amibroker] Percent Profit Trailing Stop QuestionImportance: 
    High
    On QQQ I get -79.45% profit,  What 
    issue(s) are you using over what time period?
    Regards,
    Ed
    <BLOCKQUOTE 
    >
      ----- Original Message ----- 
      <DIV 
      >From: 
      Herman van den 
      Bergen 
      To: <A 
      title=amibroker@xxxxxxxxxxxxxxx 
      href="">AmiBroker YahooGroups 
      Sent: Tuesday, June 29, 2004 9:09 
      PM
      Subject: [amibroker] Percent Profit 
      Trailing Stop Question
      
      Can somebody 
      explain why this gives unreal profits?
      <SPAN 
      class=218090701-30062004> 
      // In AA 
      settings Use percent profit trailing stop of 10%
      // Trade Long 
      and Short at the 
      OpenSetOption("ActivateStopsImmediately",True);SetTradeDelays(1,1,1,1);Buy=Cross( 
      MACD(), Signal() );Sell = Cross( Signal(), MACD() );Short = 
      Sell;Cover = Buy;Plot(Equity(1),"Equity",1,1);
      <SPAN 
      class=218090701-30062004> 
      <SPAN 
      class=218090701-30062004>TIA,
      <SPAN 
      class=218090701-30062004>herman.


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