[amibroker] Identifying yesterday's closing price in intraday strategy

["vzhig <zhigulin@xxxxxxxxx>" <zhigulin@xxxxxxxxx>]

Dear all,

I'm having trouble with identifying yesterday's closing price in my 
intraday strategy. I'm doing it like this:

Cl = ValueWhen(TimeNum()==155900.00, C, 1);

but the problem is that for some stocks/days 15:59 bar is not present 
and then the last day with 15:59 bar gets referenced.

Daychange = Day() != Ref(Day(), -1); 
Cl = ValueWhen(Daychange, Ref(C,-1), 1);

doesn't fit either because it is influenced by afterhours trading.

Any ideas?


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