[amibroker] Summing values at each bar for the past 200 days

["hmab1" <hossamb@xxxxxxxxxxxx>]

Hello,

At each bar, I would like to sum the value of the close*volume for 
the past 200 days.  I.e. let's say you have 600 bars of date. At bar 
300, I would like to determine the sum of the close*volume for bars 
200 thru 300.

Is this possible in AFL ?

Thanks,
HB


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