X_1:=OPEN CLOSE; X_2:=OPEN/REF(CLOSE,1) =0.97; X_3:=CLOSE/OPEN X_4:=CLOSE/OPEN 1.02; X_5:=HIGH/LOW CLOSE/OPEN 0.08; 低开:X_1 AND X_2 AND X_4 AND X_5,COLORWHITE; {九毛八公式指标网www.9m8.cn};