LOWV:=LLV(LOW,9); HIGHV:=HHV(HIGH,9); RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,3); K:=EMA(RSV,3); D:=MA(K,3); REF(K,1)<30 AND REF(EVERY(K<D,10),1)=1 AND CROSS(K,D);