通达信公式黄金坑
底部的黄金坑，可以结合判断是否买入。
{黄金坑副图指标}
VAR1:=(CLOSE-LLV(LOW,60))/(HHV(HIGH,60)-LLV(LOW,60))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=3*VAR2-2*VAR3;
VAR5:=CROSS(VAR4,VAR2) AND VAR2<20;
VAR6:=CROSS(VAR2,VAR4) AND VAR2>80;
STICKLINE(VAR5,0,30,10,0),COLORRED;
STICKLINE(VAR6,70,100,10,0),COLORGREEN;
DRAWTEXT(VAR5,40,'黄金坑'),COLORRED;
DRAWTEXT(VAR6,60,'风险区'),COLORGREEN;
