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Re: PROPOSITION: a thread on system testing



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Mark Jurik wrote:
> To start, I was discussing with the sherriff the existence of demo disks 
> containing systems coded to exclude certain days from trading.  I discovered 
> that, when the exclusions were removed, these particular days suffered enormous 
> losses. Apparently, the demo was designed to make the potential buyer think the 
> system was better than it actually was.  Flat out fraud.

Another good area for discussion would be some demonstrations of how
fraudulent vendors can use the built-in trailing stops and profit
targets to make a losing system look like a winner in backtesting. Omega
knows these stops are bogus. The vendors know it. The only ones who
don't know are the unsuspecting newbie consumers. I don't want to start
another round of omega bashes but you've gotta wonder why they still
include these stops with the software and encourage their use in their
training materials.

-- 
   Dennis