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Objective functions (was RE: [amibroker] Re: Optimization -- again)



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This makes me want to ask what your longest possible time frame is ?

--- In amibroker@xxxxxxxxxxxxxxx, "Dave Merrill" <dmerrill@xxxx> 
wrote:
> well yes, you're right, the same stuff is always happening. prices 
go up,
> prices go down, and they always have.
> 
> but that's not useful info to trade on. what we care about is 
trends of some
> kind that can be predicted/hoped to continue or reverse in some 
particular
> time frame. that's knowledge we can profit from. and those trends 
come and
> go constantly, on every time scale. these shorter-term moves are 
what we
> trade.
> 
> here's my question I guess: if I only see behavior that never 
changes over
> the longest possible time frame, what do I see that I can use?
> 
> dave
>   There are a lot of questions and provacative statements in your 
post,
>   only one of which from my perspective needs an answer/response.
> 
>   Market behavior will continually change after that ...
> 
>   Change ? from what ? into what ? I guess this is the part I don't
>   follow.  To me there is nothing new in market behavior now that
>   didn't exist last month, last year, last decade, last century, but
>   clearly those that take a short sighted view of history and the
>   market action that made up that history will clearly never see it.
>   It's a forest and trees thing ...


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