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[amibroker] Re: The last best-fit parabolic trendline



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Do you shoot for at least a 10 year period of backtesting? I would 
think that high of a percentage is no good unless it's over 
different cycles of the market. I was actually shooting for much 
less seeing that the old adage of 80% of your winning comes from 20% 
of your trades tends to be true.

--- In amibroker@xxxxxxxxxxxxxxx, "Herman van den Bergen" 
<psytek@xxxx> wrote:
> from personal experience 60-70% winning trades seems attainable in 
general
> systems, i.e. those that are profitable acrross a group of stocks. 
Single
> stocks system can do better, perhaps 80-85% but I (actually me and 
my
> partner) traded only one such system for about 6-8 months (1-2 day 
trade
> durations). The company got reorganized and the system died. 
Believe it or
> not: trading systems suffer fatal heart attacks!
> 
> Of course the % winning trades is not proportional to % profit so 
you should
> look at the whole picture.
> 
> good luck,
> herman.
> 
> 
>   -----Original Message-----
>   From: YEA RIGHT [mailto:suedeuno@x...]
>   Sent: Thursday, September 02, 2004 7:20 PM
>   To: amibroker@xxxxxxxxxxxxxxx
>   Subject: [amibroker] system % rule of thumb?
> 
> 
>   What realistically tradeable winning % does everyone here shoot 
for
>   when developing and backtesting a system?
> 
> 
> 
>   Check AmiBroker web page at:
>   http://www.amibroker.com/
> 
>   Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> 
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