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[amibroker] Re: How do I reference the last purchase price?



PureBytes Links

Trading Reference Links

or try ApplyStop function

dale b


> I am a newbie. I am stuck. Once I buy I want to set a sales price 
> equal to 
> "purchase price + some formula()".
> 
> My problem is that I can't figure out how to reference my purchase 
> price once 'buy' is activated. I've found the reserved 
> array "BuyPrice". So if I want to buy at yesterday's high plus a 
> "fudge-factor" alpha, I say:
> 
>   BuyPrice = Ref(High,-1)+ Alpha ;
>   Buy = Cross(High, BuyPrice) ;
> 
> Now, if I say:
> 
>   Target = BuyPrice + Profit ;
> 
> This is not going to work, as BuyPrice will be an array changing 
> every day. I need it to freeze on the day I buy and until I sell. 
> Isn't there a logical parameter called LONG or somthing?
> 
> I tried typing
> 
>   if (Buy ==1) {BoughtPrice = BuyPrice} ;
> 
> but now I am told that Buy is not a Boolean expression.
> 
> How do I get stuff done only AFTER a Buy is executed and before a 
> SELL??




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