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#1 Selling Amibroker Plugin featuring:
N-Period Candlesticks (Time Compression) for Amibroker (AFL)
Construct n-period candlesticks while viewing any price chart. E.g. n=5 is ~weekly, n=20 ~monthly.
This saves you from creating multiple windows or switching between daily/weekly/monthly views.
By: Junya Ho
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Indicator / Formula
_SECTION_BEGIN("N");
// compress price time series by a given factor
// e.g. 5 into 1 is like weekly view
// by Junya Ho (JUNYAdotHO@nospamUTORONTOdotCA)
barnum = Cum(1);
numbars = LastValue(barnum);
factor = 5; // compress FACTOR bars into 1
// number of compressed bars
numcbars = ceil(numbars / factor);
delta = numbars - barnum;
factorbeginidx = - factor * delta - factor + 1 + delta;
factorendidx = - factor * delta + delta;
newo = IIf(barnum < numbars - numcbars, 0, Ref(O, factorbeginidx));
newh = IIf(barnum < numbars - numcbars, 0, Ref(HHV(H, factor), factorendidx));
newl = IIf(barnum < numbars - numcbars, 0, Ref(LLV(L, factor), factorendidx));
newc = IIf(barnum < numbars - numcbars, 0, Ref(C, factorendidx));
Daystart_str = WriteVal(Ref(Year(), factorbeginidx), 1.0) + "-" + WriteVal(Ref(Month(), factorbeginidx), 1.0) + "-" + WriteVal(Ref(Day(), factorbeginidx), 1.0);
Dayend_str = WriteVal(Ref(Year(), factorendidx), 1.0) + "-" + WriteVal(Ref(Month(), factorendidx), 1.0) + "-" + WriteVal(Ref(Day(), factorendidx), 1.0);
PlotOHLC(newo, newh, newl, newc, WriteVal(factor, 1.0) + "-period price", 17, styleCandle);
Title = WriteVal(factor, 1.0) + "-period candlesticks, O:" + WriteVal(newo) + ", H:" + WriteVal(newh) + ", L:" + WriteVal(newl) + ", C:" + WriteVal(newc) + ", from: " + Daystart_str + ", to: " + Dayend_str;
_SECTION_END();0 comments
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