编写条件：
VA:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL); OBV:SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0); MAOBV:MA(OBV,M); m(2 100 30) 要求:(1)obv>mobv (2)obv创新高编写方法：
VA:=IF(CLOSE>REF(CLOSE,1),vol,-VOL);
obv:=SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0);
MAOBV:=MA(OBV,30);
OBV>=HHV(OBV,0) AND OBV>MAOBV;
