[amibroker] Plotting Quarterly and Yearly Highs and Lows

["fesch92126" <fesch@xxxxxxxxxx>]

I would like to plot weekly, monthly, quarterly  and yearly highs and lows on daily candles.  The code immediately below accomplishes this for weekly and monthly data:

//Weekly Plots

WkH = TimeFrameCompress(H,inWeekly,compressHigh);

WkL = TimeFrameCompress(L,inWeekly,compressLow);

WklyH = TimeFrameExpand(WkH,inWeekly,expandFirst);

WklyL = TimeFrameExpand(WkL,inWeekly,expandFirst);

Plot(WklyH,"WklyH",colorBlue,styleStaircase);

Plot(WklyL,"WklyL",colorBlue,styleStaircase);

//Monthly Plots

MnthH = TimeFrameCompress(H,inMonthly,compressHigh);

MnthL = TimeFrameCompress(L,inMonthly,compressLow);

MlyH = TimeFrameExpand(MnthH,inMonthly,expandFirst);

MlyL = TimeFrameExpand(MnthL,inMonthly,expandFirst);

Plot(MlyH,"MnthlyH",colorRed,styleStaircase);

Plot(MlyL,"MnthlyL",colorRed,styleStaircase);

 

Unfortunately, the quarterly start and end dates are not correctly plotted using similar code. 

QtrH = TimeFrameCompress(H,3*inMonthly,compressHigh);

QtrL = TimeFrameCompress(L,3*inMonthly,compressLow);

QlyH = TimeFrameExpand(QtrH,3*inMonthly,expandFirst);

QlyL = TimeFrameExpand(QtrL,3*inMonthly,expandFirst);

Plot(QlyH,"QtrlylyH",colorBrightGreen,styleLine);

Plot(QlyL,"QtrlyL",colorBrightGreen,styleLine);

 

Would anyone be able to advise me as to how to correctly encode the plotting of the quarterly and yearly highs and lows?  It is probably really simple but I have tried a number of approaches without success thus far.

 

Thank you very much for your time and effort.

 

Fred

 

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