參考：

RSV:= (CLOSE-HHV(HIGH,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;//定義RSV
LWR1:SMA(RSV,3,1);//定義LWR1
LWR2:SMA(LWR1,3,1);//定義LWR2
CROSS(LWR1,LWR2),BPK;//LWR1上穿LWR2，買平并買開
CROSS(LWR2,LWR1),SPK;//LWR1下穿LWR2，賣平并賣開
AUTOFILTER;