安全通道------

Var2:=LLV(LOW,33);
Var3:=HHV(HIGH,21);
Var4:=EMA((CLOSE-Var2)/(Var3-Var2)*100,20)*0.998;
通道:27,colorred;
短线:=EMA(0.667*REF(Var4,1)+0.333*Var4,1);
STICKLINE(短线>=REF(短线,1),短线+0.5,短线-1,6,0),colorred,linethick3;
STICKLINE(短线VARa:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA
(SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1),3,1);
趋势:=EMA(VARa,3)-10;
A1:IF(趋势>75,趋势,80),coloryellow;