股价被做空趋势下穿时，就可能是股价上升的开始。
{多空趋势【主图】}
{做多趋势公式}
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:=EMA(VAR4,5);
趋势线:VAR5,COLORRED,LINETHICK2;
做多信号:CROSS(VAR5,20) AND VAR5>REF(VAR5,1),COLORYELLOW;
STICKLINE(做多信号,0,30,4,0),COLORYELLOW;
DRAWICON(做多信号,35,1);
