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[amibroker] Random selection of stocks (was "brown paper bag")



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<FONT 
size=2>I wasn't going to reply to Yuki's comment about <FONT 
color=#000000>"looking for things that work across a random selection of stocks 
is a waste of time", but Fred has sort of got me 
motivated to do so.
<FONT face=Arial color=#0000ff 
size=2> 
I 
understand why Yuki made the statement, but I prefer to do the filtering process 
(that she is manually doing) within my trading system.   Yuki, what 
makes you select certain stocks for trading?   You don't need to 
answer that question, but I feel that whatever anyone does to create a watchlist 
can become part of the AFL code.   By doing it as part of the trading 
system, stocks will come into and go out of the list, without my intervention, 
for backtesting and for trading forward.   When a stock no longer has 
that "look" that I like, it will just disappear from my list of orders to 
place.
<FONT face=Arial color=#0000ff 
size=2> 
Just 
my three cents.
<FONT 
size=2><FONT face=Arial 
color=#0000ff> 
<SPAN 
class=697025218-17072003> 
<SPAN 
class=697025218-17072003> 
<SPAN 
class=697025218-17072003> 
<SPAN 
class=697025218-17072003> -----Original Message-----From: 
Fred [mailto:fctonetti@xxxxxxxxx]Sent: Thursday, July 17, 2003 10:20 
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re: 
Please send unmarked bills, in a brown paper bag, to: 
...
<BLOCKQUOTE 
>I'm 
  not sure I agree with the statement that "looking for things that work 
  across a random selection of stocks is a waste of time".Part of the 
  process that makes this viable i.e. reduces random selection to specific 
  tradables can of course be a scoring/ranking ranking.  When 
  properly applied this too works.--- In amibroker@xxxxxxxxxxxxxxx, Yuki 
  Taga <yukitaga@xxxx> wrote:> Hi Fred,> > Thursday, 
  July 17, 2003, 12:16:45 PM, you wrote:> > F> If we had a 
  system and it was only good enough to trade the S&P> F> wouldn't 
  that be sufficient whether that was in the form of> F> 
  EMini's,  Options, ETF's or what have you ?  Does any 
  particular> F> system have to  work across a basket of whatever 
  to be viable ?> > Absolutely, it is not necessary.  I am 
  making hay, lots of hay,> trading the same 5 stocks over and over 
  according to a system.  They> have made money with this system as 
  far back as I can test.  They> continue to make money.  Other 
  stocks break even with the system.  I> don't know why.  I 
  don't really care either.  I will continue to> trade the 5.  
  Someday they may stop working.  On the other hand, they> may 
  not, as I can't find a significant time frame where they haven't.> 
  But if they do, I'll look around for something else that works.> 
  > Looking for something that works across a "random basket of 
  stocks"> is A) a waste of time in my opinion, because B) it makes you 
  Pope of> The Universal Church of Holy Grailism, which kicked me out 
  years ago> for heresy. ^^_^^> > YukiSend 
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