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Re: [amibroker] Steve Dugas Zig Zag



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Hi Lou,
 
The DLL calls AB's Zig function, so it works exactly 
the same way. If you were using the AB Zig function yourself, you would 
specify a % change for it to use when drawing the legs. As I understand it, the 
last leg is not locked in until it has travelled that % from the last 
reversal (peak or trough), at which time it is confirmed, and so is the last 
pivot point. Until then, it is capable of being redrawn, which means you 
cant rely on the last leg or last pivot either. If my understanding is wrong, 
hopefully someone will correct me.
 
In my Zig, the DLL selects the % for you, and tells you what % 
it arrived at in the title. The smaller red/green line uses that % to 
calculate and show the level that the price must reach for the leg to 
be confirmed. Once that level has been reached, the Zig line changes 
color from blue to white to show that it has been confirmed.
 
Having said all that, it is important to realize that for my 
Zig, if you select your test period to always include the latest data, it 
is *possible* for the optimal % to change on any given day (though it doesnt 
seem to happen all that often), which could result in peaks and troughs 
that are different from those that the previous % had shown 
you.
 
Steve
 
----- Original Message ----- 
<BLOCKQUOTE 
>
  <DIV 
  >From: 
  Lou 
  H 
  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">AMI Group 
  Sent: Wednesday, June 18, 2003 6:56 
  PM
  Subject: [amibroker] Steve Dugas Zig 
  Zag
  
  Hi Steve -
  Ilike your Zig Zag but have a question.  As you know, 
  you can have an 'up-trend' and then the program can change it's mind and 
  decide there is a down-trend in effect.  Is there a way to judge at what 
  level the program will change it's mind?  Am still looking at your new 
  "optimized indicators", very good work.
   
  Best Regards,
  lou howardSend 
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