[amibroker] "Pad and Align" with De-Listed Stocks

["dweilmuenster95125" <dweilmuenster95125@xxxxxxxxx>]

Hi,

My database for historical research goes back through 1995 and carries 
all stocks, active and delisted, to avoid survivor bias.

I'm using AddToComposite to compile various statistics, so assume that 
I should be using Pad and Align against a "dependable" stock (such as 
the S&P 500 Index) to get proper alignment.

However, this then extends the last valid data for every de-listed 
stock through the last date in the database.  I.e., the Close from a 
stock that was de-listed in 2003 is carried forward to every date 
thereafter when I use Pad and Align.

Is there a way to cut off the data for de-listed stocks, but still get 
the benefits of Pad and Align?

Thanks,
David



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