P = ParamField("Price field",-1);
Periods = Param("Periods", 7, 2, 300, 1 );
Width = Param("Width", 1, 0, 10, 0.05 );
Color = ParamColor("Color", colorCycle );
Style = ParamStyle("Style");
top = BBandTop( P, Periods, Width );
bot = BBandBot( P, Periods, Width );
Plot( top, "BBTop" + _PARAM_VALUES(), Color, Style );
Plot( bot, "BBBot" + _PARAM_VALUES(), Color, Style );
Plot ( C, "", colorWhite, styleCandle );
Buy = Cross(p, bot);
Sell = Cross(p, top);
PlotShapes( shapeSmallCircle* Buy, colorLime, 0, L, -20 );// plots small
lime circle below the price bar for a buy-signal
PlotShapes( shapeSmallCircle* Sell , colorRed, 0, H, 20 );// plots small
red circle above the price bar for a sell-signal
On 12/11/2009 9:46 PM, Deepak Patade wrote:
Hi,
Can any body help me.
i want to buy when price touches Bollinger band bottom and sell when
it touches Bollinger band top.
How to write this in afl.
_SECTION_BEGIN("Bollinger Bands");
P = ParamField("Price field",-1);
Periods = Param("Periods", 7, 2, 300, 1 );
Width = Param("Width", 1, 0, 10, 0.05 );
Color = ParamColor("Color", colorCycle );
Style = ParamStyle("Style");
Plot( BBandTop( P, Periods, Width ), "BBTop" + _PARAM_VALUES(), Color,
Style );
Plot( BBandBot( P, Periods, Width ), "BBBot" + _PARAM_VALUES(), Color,
Style );
this is BB afl.
Do help out
Deepak Patade,
Nasik.
