纯成交量选股公式

M:=18;{可设为参数:M(10,30,18)}
MAOBV:=MA(OBV,M);
XG: REF(COUNT(OBV<=MAOBV,8)=8,1) AND CROSS(OBV,MAOBV) AND DYNAINFO(9)>0;

九毛八公式解读

M赋值:18
MAOBV赋值:OBV的M日简单移动平均
输出XG: 1日前的统计8日中满足OBV<=MAOBV的天数=8 AND OBV上穿MAOBV AND 现量>0