龙头股回调:=3*SMA((CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100,21,1)-2* SMA(SMA((CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100,20,1),8,1); 龙回头源码:=20;{高手网www.gs6699.com} 选股公式:CROSS(龙头股回调,龙回头源码);