var1:=REF(CLOSE,1);var2:=((SMA(MAX((CLOSE - var1),0),7,1) / SMA(ABS((CLOSE - var1)),7,1)) * 100);var3:=CROSS(79,var2);var4:=FILTER(var3,4);DRAWTEXT(var4,(H*1.03),'顶'),COLORyellow;