M:=3;
LOWV:=LLV(LOW,N);
HIGHV:=HHV(HIGH,N);
RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,M);
K:=EMA(RSV,M);
D:=MA(K,M);
A1:=BARSLAST(REF(CROSS(K,D),1));
底背離:REF(CLOSE,A1+1)>CLOSE AND K>REF(K,A1+1) AND CROSS(K,D);