绿色箭头向下为卖出，红色箭头向上为买入，适用于大盘和个股各个周期
{通达信精准买卖点公式}
VAR1:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=3*VAR2-2*VAR3;
VAR5:=CROSS(VAR2,VAR3) AND VAR2<20;
VAR6:=CROSS(VAR3,VAR2) AND VAR2>80;
VAR7:=CROSS(VAR2,VAR4) AND VAR2<20;
VAR8:=CROSS(VAR4,VAR2) AND VAR2>80;
买点:VAR5 OR VAR7,NODRAW;
卖点:VAR6 OR VAR8,NODRAW;
DRAWICON(买点,LOW*0.98,1);
DRAWICON(卖点,HIGH*1.02,2);
