[amibroker] Pivot calculation for Monday in Forex

["pmxgs" <pmxgs@xxxxxxxxxx>]

Hi,
I'm using the following formula to calculate pivot points.
Since I'm using it on forex, the market data starts on sunday 
evenning, and since the pivot points are calculated based on previous 
day data, the pivots for monday are not calculated correctly, since 
sunday data is only a couple of hours.
How can I use sunday data as if it were friday, so that the pivot for 
monday is calculated correctly (based on friday and sunday data 
together)?

thanks

//---- pivot points 
DayH = TimeFrameGetPrice("H", inDaily, -1);// yesterdays high 
DayL = TimeFrameGetPrice("L", inDaily, -1);//low 
DayC = TimeFrameGetPrice("C", inDaily, -1);//close 
DayO = TimeFrameGetPrice("O", inDaily);// current day open 
HiDay = TimeFrameGetPrice("H", inDaily); 
LoDay = TimeFrameGetPrice("L", inDaily); 
PP = (DayH + DayL + DayO + DayO) / 4 ; 
R1 = (2 * PP) - DayL; 
S1 = (2 * PP) - DayH; 
R2 = PP + R1 - S1; 
S2 = PP + S1 - R1; 
R3 = R2 + (R1 - PP); 
S3 = S2 - (PP - S1); 
style = styleLine | styleDashed + styleNoRescale; 
rcolor = colorBlue; 
scolor = colorRed; 
pcolor = colorWhite; 
Plot(R1, "R1",rcolor,style); 
Plot(S1, "S1",scolor,style); 
Plot(R2, "R2",rcolor,style); 
Plot(S2, "S2",scolor,style); 
Plot(PP, "PP",pcolor,style); 
Plot(s3, "S3", scolor, style); 
Plot(R3, "R3", rcolor, style); 



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