[amibroker] determining daily H/L/C from intraday data

["sheldonskidmore" <sheldon@xxxxxxxxxxxxxxx>]

All,

I am writing an intraday system (works on hourly data) that takes 
yesterday's H/L/C as inputs.  However, I am having a problem getting 
those daily values from my intraday code.  Here is what I have so 
far, but I'm not getting the values I expect (for any of the values):

w_high  = HighestSince(DateNum()>Ref(DateNum(),-1),H,1);
w_low   = LowestSince(DateNum()>Ref(DateNum(),-1),L,1);  
w_close = ValueWhen(DateNum()>Ref(DateNum(),-1),C,1);

Any ideas of what I might be doing wrong?

Thanks,
Sheldon



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