Simple WMA 100 for Amibroker (AFL)

Short = 0;
Cover = 0;

/*Buy = C > WMA(C,100)
	AND Cross(C,EMA(C,100));

Sell = C < WMA(C,100)
	AND Cross(C,EMA(C,100));*/

/*Buy = WMA(C,50) > WMA(C,100)
	AND	Ref(WMA(C,50),-1) < Ref(WMA(C,100),-1);

Sell = WMA(C,50) < WMA(C,100)
	AND	Ref(WMA(C,50),-1) > Ref(WMA(C,100),-1);
*/

//Buy=ExRem(Buy,Sell);
//Sell = ExRem(Sell,Buy);

Buy = C > WMA(C,100)
	AND Ref(C,-1) < Ref(WMA(C,100),-1);

Sell = C <= WMA(C,100)
	AND Ref(C,-1) > Ref(WMA(C,100),-1);

Buy=ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

PlotShapes(shapeUpArrow*Buy,colorBrightGreen);
PlotShapes(shapeDownArrow*Sell,colorRed);