VA:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL); OBV:SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0),COLOR00FFFF; MAOBV:MA(OBV,13),COLOR996699; 箱顶:HHV( OBV,20),COLOR0000FF; 箱底:LLV( OBV,20),COLOR00FF00; UPPER:MAOBV+2*STD(OBV,20),COLORMAGENTA; LOWER:MAOBV-2*STD(OBV,20),COLORFF0000; 选股公式: FZ:=REF(C,1)*1.1-C<0.01; VA:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL); OBV:=SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0); MAOBV:=MA(OBV,13); 箱底:=LLV( OBV,20); UPPER:=MAOBV+2*STD(OBV,20); A1:=CAPITAL/1000000<20; ST:=EXIST(C/REF(C,1)>1.055,60); 停牌:=DYNAINFO(4)>0; XG:(OBV=箱底 OR CROSS(MAOBV,OBV)) AND A1 AND ST AND 停牌 AND COUNT(FZ,10)>0;