X_3:=LOW;
X_4:=REF(X_3,10)=LLV(X_3,2*10+1);
X_5:=FILTER(X_4,10);
X_6:=BACKSET(X_5,10+1);
X_7:=FILTER(X_6,10);
X_8:=REF(X_3,10)=LLV(X_3,2*10+1);
X_9:=FILTER(X_8,10);
X_10:=BACKSET(X_9,10+1);
X_11:=FILTER(X_10,10);{www.9m8.cn 九毛八公式指标网}
前期低位:REF(LOW,BARSLAST(X_7)),POINTDOT,COLORWHITE;
STICKLINE(CLOSE,前期低位,前期低位,8,0);