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[amibroker] Re: Detecting an Open Position with AFL?



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I was a long time TS user prior to AB and getting used to AB/AFL 
takes a little doing but is worth the ride.

Think of the array processor as executing your AFL statements ( 
outside of the interior of your Do / For / While loops ) once and 
only once as opposed to once per bar.

MOST things can be done without writing loops.

If you are simply looking as to whether a BUY is more current then a 
SELL then ...

OnBuy = BarsSince(Buy) < BarsSince(Sell)

Will suffice ...

--- In amibroker@xxxxxxxxxxxxxxx, "The Webmaster" 
<maintainer_wiz@xxxx> wrote:
> 
> Is there a function to detect the open trading position of a bar?
> 
> I'm trying to use a for loop to check certain conditions which 
would 
> exit my long and go short.  However, it's not working because I 
> think my coding assumptions about how this array programming thing 
> works are incorrect.
> 
> If it's not already available, AB should add an AFL function or 
> variable called Position which would return the open position of 
the 
> bar.  Just like in Trade Station's EasyLanguage.  AB has potential, 
> but they should really look to Easy Language as a guide to 
improving 
> AFL.





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