AFL Library

This is read-only version of AFL library entry. Ability to add user formulas and comment is only available from members-only area.

Details:

DISCLAIMER: Most formulas present in AFL on-line library are submitted by the users and are provided here on an "as is" and "as available" basis. AmiBroker.com makes no representations or warranties of any kind to the contents or the operation of material presented here. We do not maintain nor provide technical support for 3rd party formulas.
Description:

This is AFL of Heikin-Ashi(Koma-Ashi)with Moving Average.

It's smoothly Heikin-Ashi derivative indicator,
and prevent to collapse a graph for first bars.

----
TOBY
http://tobysoft.net/

Formula:

/*
	Heikin-Ashi(Koma-Ashi) with Moving Average Type
*/
SetChartOptions(2, chartWrapTitle);

// Calculate Moving Average
MAPeriod = Param("MA Period", 15, 1, 100);
MAOpen = EMA(Open, MAPeriod);
MAHigh = EMA(High, MAPeriod);
MALow = EMA(Low, MAPeriod);
MAClose = EMA(Close, MAPeriod);

HaClose = (MAOpen + MAHigh + MALow + MAClose) / 4;
HaOpen = AMA(Ref(HaClose, -1), 0.5);

// for graph collapse
for(i = 0; i <= MAPeriod; i++) HaClose[i] = Null;
/*
// same 
// HaOpen = (Ref(HaOpen, -1) + Ref(HaClose, -1)) / 2;
HaOpen[ 0 ] = HaClose[ 0 ]; 
for(i = 1; i < BarCount; i++) { 
    HaOpen[i] = (HaOpen[i - 1] + HaClose[i - 1]) / 2;
} 
*/

HaHigh = Max(MAHigh, Max(HaClose, HaOpen)); 
HaLow = Min(MALow, Min(HaClose, HaOpen)); 

// outs comments
"BarIndex = " + BarIndex();
"Open = " + Open;
"High = " + High;
"Low = " + Low;
"Close = "+ Close;
"HaOpen = " + HaOpen;
"HaHigh = " + HaHigh;
"HaLow = " + HaLow;
"HaClose = "+ HaClose;

// Plot graphs
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} HaOpen %g, HaHigh %g,
HaLow %g, HaClose %g (%.1f%%) {{VALUES}}", 
   HaOpen, HaHigh, HaLow, HaClose, SelectedValue(ROC( HaClose, 1))));
PlotOHLC(HaOpen, HaHigh, HaLow, HaClose, _DEFAULT_NAME(), ParamColor("Color",
colorBlack), styleCandle); 

Comments: