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RE: [amibroker] Robustivity



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<SPAN 
class=468263723-30102003>steve, thanks for sharing this 
(again).
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>just for my understanding, in what sense is this system 
"robust"? 
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>is it because results are similar with different 
similar periods and thresholds? that seems unlikely, since there isn't very far 
to go from 5 to hit 1 and 0, which I'd guess are significantly different. what 
sort of testing led you to decide on this period and threshold, and this system 
for that matter?
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>is it robust because it works well on many stocks, 
indexes and funds over a long period of time? 
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>because of the concepts behind the indicator 
itself?
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>something else?
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>I'm not disputing the system's value, which I haven't 
tested yet. I'm trying to understand what kind of process you go through to 
settle on a system and settings.
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>thanks,
<SPAN 
class=468263723-30102003> 
<SPAN 
class=468263723-30102003>dave
<SPAN 
class=468263723-30102003> 
<BLOCKQUOTE 
>
  1.  This exact system was presented over a 
  year ago at this forum
  2.  The charts are OOS (since, it's been 
  posted publicly forever)
  3.  Rules are simple:  Buy the opening 
  of the next day when the CMO5 closes below -34 and sell when it triggers above 
  34.
   
  Works on most issues (raw).  Works better 
  if:  
   
  a.  You take trades only with the 
  trend
  b.  You protect yourself from large 
  drawdowns (stop)
  c.  You conjure a profit target 
  (limit)
  d.  You put in a time stop 

   
  This is the guts of an indicator and a logical 
  systematic approach.  Whistles and bells are optional (but, in my opinion 
  necessary).  Again, if you start with a pig, the prom dress doesn't make 
  it look any better.  Don't hang ornaments on a twisted Christmas 
  tree.






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