RSV:=((CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21)))*247.2-123.6;
K:=SMA(SMA( RSV,3,1),3,1);
D:=MA(EMA(K,3),3);
手指向上:crOSS(K,D) AND K<0;
RSV:=((CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21)))*247.2-123.6;
K:=SMA(SMA( RSV,3,1),3,1);
D:=MA(EMA(K,3),3);
手指向上:crOSS(K,D) AND K<0;