让我多年保持在30%左右盈利水平的指标

VAR1:=REF(CLOSE,1);
 VAR2:=SMA(MAX(CLOSE-VAR1,0),7,1)/SMA(ABS(CLOSE-VAR1),7,1)*100;
 SS1:=FILTER(REF(VAR2,1)<20 AND VAR2>REF(VAR2,1),5);

 SM01:=MA((2*C+H+L)/4,5); 
 SM02:=SM01*(200-102)/100;  
 SM03:=(1-7/100)*DMA(C,ABS((2*C+H+L)/4-MA(C,20))/MA(C,20));
 SM04:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
 SM05:=3*SMA(SM04,3,1)-2*SMA(SMA(SM04,3,1),3,1); 
 SM06:=((H+L+C)/3-MA((H+L+C)/3,14))/(0.015*AVEDEV((H+L+C)/3,14));
 SM07:=SM02<SM03&&SM05>REF(SM05,1)&&REF(SM05,1)<REF(SM05,2)&&SM06<-100
 &&SM06>REF(SM06,1); 
 AA:=STICKLINE(SM07,0,0.5,2,0),COLORYELLOW;
买点:=SM07,COLORRED,LINETHICK3;
选股:SS1 AND 买点;