薛斯通道中股价小于黄线的预警

编写要求：

解答：

?网友求助：

是股价只要小于黄线就出来预警 谢谢老师了

VAR2:=CLOSE*VOL;
VAR3:=EMA((EMA(VAR2,3)/EMA(VOL,3)+EMA(VAR2,6)/EMA(VOL,6)
+EMA(VAR2,12)/EMA(VOL,12)+EMA(VAR2,24)/EMA(VOL,24))/4,13);
VAR4:=EMA(CLOSE,9);
SUP:1.06*VAR3,PRECIS2;
SDN:VAR3*0.94,PRECIS2;
LUP:EMA(VAR4*1.14,5),PRECIS2;
LDN:EMA(VAR4*0.86,5),PRECIS2;
买1:=C>O AND REF(C,5)LDN;
DRAWICON(买1,LDN,5);
买2:=OREF(O,1) AND REF(C,1)SDN;
DRAWICON(买2,SDN,1);
买3:=O>SDN AND LOW DRAWICON(买3,LDN,8);
买4:=C>O AND C(LUP-SDN );
DRAWICON(买4,C,10);