来源：Internet，编辑：股旁网，2012-10-21
N:=20; obv:SUM(IF(CLOSE>REF(CLOSE,1),vol,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0); w5:ma(obv,5); w10:ma(obv,8); w20:ma(obv,13); VAR1:=obv; 支撑:=EMA(VAR1,5); 压力:HHV(支撑,n),COLORRED,linethick2;
