通达信东方龙值指标公式

DIF:=LLV(LOW,100);
DEA:=HHV(HIGH,250);
龙值线: EMA((CLOSE-DIF)/(DEA-DIF)*4,4);
买入1:crOSS(龙值线,0.3);
买入2:CROSS(龙值线,0.5);