通达信赚了又赚预警指标公式

ZF:=(C-REF(C,1))/REF(C,1)*100;
AA:=EMA(EMA((C-REF(C,1)),6),6)*100/EMA(EMA(Abs((C-REF(C,1))),6),6);
DD:=LLV(AA,BArslAST(AA ZT:=BARSLAST(crOSS(AA,DD*0.66) AND AA<0 AND DD<-20);
MR:CROSS(AA,DD*0.66) AND AA<0 AND DD<-20;