同花顺OBV扩展指标公式

N:=5;
P:=3;
obv:SUM(IF(CLOSE>REF(CLOSE,n),vol,IF(CLOSE<REF(CLOSE,n),-VOL,0)),0)/100000000000;
sub=CLOSE-REF(CLOSE,P);
RAI:sub/OBV;
DRAWTEXT(crOSS(OBV,rai),RAI,"终");
DRAWTEXT(CROSS(rai,OBV),OBV,"始");
a: 50;
b:-50;
C:0;