[amibroker] Equal Weight / Under-weighted Index

["Patrick" <patsgreatdeals@xxxxxxxxx>]

Hello,

I have used the AddToComposite for various items.

I want to create my own equal weight index. The only issue I see is 
that if I select a watch list of x number of stocks and of course not 
all stocks IPO on the same date the index will jump in value when new 
stocks are Added to the composite as the index builds.

I know that for the SP500 and other indexes there is a factor that is 
applied to keep the index from jumping around when stocks are 
replaced in the index.

Is there a way to code some type of factor to keep the index smoothed 
over a period of time and not jumping in price when (for example) 100 
stocks IPO in Jan of 2000, then the AddToComposite finds another 40 
in March of 2000 then the index will spike up adding in these 
additional 40 stocks.

Thanks,
Patrick


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