龙头股指标:=(CLOSE-LLV(LOW,43))/(HHV(HIGH,43)-LLV(LOW,43))*100; 通达信:=SMA(龙头股指标,2,1);{高手网www.gs6699.com} 指标公式:=SMA(通达信,2,1); ddss:CROSS(指标公式,20);