{买卖参考选股}
VAR1:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=3*VAR2-2*VAR3;
VAR5:=CROSS(VAR2,VAR3) AND VAR3<20;
VAR6:=CROSS(VAR3,VAR2) AND VAR3>80;
VAR7:=CROSS(VAR2,VAR4) AND VAR2<20;
VAR8:=CROSS(VAR4,VAR2) AND VAR2>80;
买点:VAR5 OR VAR7;
卖点:VAR6 OR VAR8;