[amibroker] question about the buyprice array

["eric tao" <erichtao@xxxxxxxxx>]

Hi all,

I have a question about the buyprice referencing.
let's say after the buy = codition, AB generated arrays

 1   2   3   4   5  <- bar index
 1   1   1   0   0  <- buy array
$10  12  13  14  15 <- buyprice = open;
     ^   
if for some reason the backtest system enter the position at bar 2,
how to reference the actual entry price later in the code? for
instance, at "sell =" statement.

I think 
ref(buyprice, -barssince(buy)); 
won't work, it simply return $13 at bar4 and bar5.

Please advice, thank you.

Eric


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