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[amibroker] (unknown)



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I am working with 1 min intraday data.  I wish to use the prior day's 
close throughout the day for calculations.  Below I have created an 
array "PDC" to accomplish this:

PDC = ValueWhen(Day()!=Ref(Day(),-1),Ref(C,-1));
WriteVal(PDC);
WriteVal(Day());

It works fine until 3:00, at which time the array returns {empty} in 
the interpretation window.  I have turned off "Align bars to regular 
market hours," and I have changed the trading hours setting in the 
database settings (the filter is not on so I don't know if this 
should have any effect) - neither changes the PDC array being 
{empty}.  The Day() array is consistent through the morning and 
beyond 3:00 - so what is happening?

I did some searches here and with the downloadable archive and found 
no direct address of this problem.

Thankyou,
RLB


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