RR8:=MA(CLOSE,27);RR9:=(CLOSE-RR8)/RR8*100;RRA:=MA(RR9,2);RRB:=BARSLAST(CROSS(-10,RRA)=1);RRD:=RRA<-10 AND RRB>3;【黑马鞍】:IF(RRD,-2,0);