通达信三线推进选股指标(源码)

EMA55:=EMA(C,55);
HR2:=EMA13 =REF(EMA13,3) AND EMA34 =REF(EMA34,1) AND EMA55 =REF(EMA55,1) AND CROSS(C,EMA13) AND
CROSS(C,EMA34) AND CROSS(C,EMA55);
三线推进:(HR2 AND FILTER(HR2,10));