什么样的指标，是好指标：买得安心，拿得放心，赚得开心！本指标，绝不含未来函数！
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
X1:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5))>100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30));
X2:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5))>60 ;
X3:=100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30))>70;
X4:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5))>100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30));
X5:=BARSLAST(CROSS(30,100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5))))<2;
X6:=BARSLAST(CROSS(100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5)),50))<2;
X7:=BARSLAST(CROSS(100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30)),100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5))))<2 ;
X8:=