参考:
ZL:=3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*
SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1),LINETHICK1,POINTDOT;
CD:=(((ZL-LLV(ZL,21))/(HHV(ZL,21)-LLV(ZL,21)))*(4))*(25),LINETHICK1,COLORGRAY;
DRAWSL(REFX(CROSSDOWN(CD=0,0.5),1)||ISLASTBAR&&CD=0,L,0,-BARSLAST(CROSS(CD=0,0.5)),0,COLORYELLOW),LINETHICK2;
DRAWSL(REFX(CROSSDOWN(CD=100,0.5),1)||ISLASTBAR&&CD=100,H,0,-BARSLAST(CROSS(CD=100,0.5)),0,COLORBLUE),LINETHICK2;