you can simple add this to constraint line like:
Buy = Cross(EMA(C,13), EMA(C,21)) AND EMA(C,100) > MA(C,100); etc. rgds, Ed ----- Original Message ----- From: mravie7 To: [email protected] Sent: Tuesday, October 07, 2008 4:03 PM Subject: [amibroker] Help in Fine tuning EMA cross over Dear All, I use a simple formuls of 13/21 EMA cross over, for generating buy and sell signals, which come up on the charts ina AMI with sounds ALERTS. the same is appended below. What I was looking for is.....if a condition can be attached to it as follows.. Buy SIGNAL TO GENERATE ARROWS (SIGNAL) ONLY IF 100 EMA IS OVER 100 SMA SELL SIGNAL TO GENERATE ARROWS (SIGNAL) ONLY IF 100 EMA IS UNDER 100 SMA. Appreciate your time and help Best Regards Ravi NB: MA1 is 100 simple MA and EMA1 is 100 EMA. //---------- --------- --- System code ------------ --------- -------- - -------- Buy = Cross(EMA(C,13), EMA(C,21)); Sell = Cross(EMA(C,21), EMA(C,13)); Short = Sell; Cover = Buy; //---------- --------- --- Arrow Template ------------ --------- ----- ---- ----- AlertIf( Buy, "SOUND C:\\Windows\\Media\\wine_glass", "Audio alert", 1 ); AlertIf( Sell, "SOUND C:\\Windows\\Media\\ssxjump SELL", "Audio alert", 2 ); UpShape = 3; UpColor = colorCustom16 = 15; UpOffset = 12; DownShape = 4; DownColor = colorBlack; DownOffset = 41; //---------- --------- --------- --------- --------- --------- ------- -- --------- - _SECTION_BEGIN("Arrow Setting"); UpShape1 = ParamToggle("Up Shapes","Off,On",1); UpShape = Param("Up Shape Typ",UpShape); UpColor = ParamColor("Up Shape Color",UpColor); UpOffset = Param("Up Shape OFF Set",UpOffset); _SECTION_END(); _SECTION_BEGIN("Down Arrow"); DownShape2 = ParamToggle("Down Shapes","Off,On",1); DownShape = Param("Down Shape Typ",DownShape); DownColor = ParamColor("Down Shape Color",DownColor); DownOffset = Param("Down Shape OFF Set",DownOffset) ; _SECTION_END(); //---------- --------- --------- --------- --------- --------- ------- -- --------- --------- ---- PlotShapes(Buy*UpShape1*UpShape, UpColor,0,L,-UpOffset); PlotShapes(Sell*DownShape2* DownShape, DownColor,0,H,- DownOffset ); //---------- --------- --------- --------- --------- --------- ------- -- --------- --------- ---- _SECTION_BEGIN("MA1"); P = ParamField("Price field",-1); Periods = Param("Periods", 15, 2, 300, 1, 10 ); Plot( MA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") ); _SECTION_END(); _SECTION_BEGIN("EMA1"); P = ParamField("Price field",-1); Periods = Param("Periods", 15, 2, 300, 1, 10 ); Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") ); _SECTION_END(); _SECTION_BEGIN("Volume"); Plot( Volume, _DEFAULT_NAME(), ParamColor("Color", colorBlueGrey ), ParamStyle( "Style", styleHistogram | styleOwnScale | styleThick, maskHistogram ), 2 ); _SECTION_END(); _SECTION_BEGIN("EMA2"); P = ParamField("Price field",-1); Periods = Param("Periods", 15, 2, 300, 1, 10 ); Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") ); _SECTION_END(); _SECTION_BEGIN("EMA3"); P = ParamField("Price field",-1); Periods = Param("Periods", 15, 2, 300, 1, 10 ); Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") ); _SECTION_END();
