指标用于识别潜在买入信号。它通过计算价格在36日内的相对位置，并经过三次平滑处理，结合交叉与位置条件，筛选出符合条件的买点。当条件满足时，会在K线下方标注“买”字，并将对应K线用红色实体突出显示。
VAR1:=(CLOSE-LLV(LOW,36))/(HHV(HIGH,36)-LLV(LOW,36))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=SMA(VAR3,3,1);
VAR5:=CROSS(VAR3,VAR4) AND VAR3<20;
VAR6:=CROSS(VAR2,VAR3) AND VAR3<20 AND VAR3>REF(VAR3,1);
VAR7:=REF(VAR6,1);
VAR8:=COUNT(VAR5,10)>=1 AND COUNT(VAR6,10)>=1 AND VAR7;
VAR9:=FILTER(VAR8,10);
DRAWTEXT(VAR9,LOW*0.98,'买'),COLORRED;
STICKLINE(VAR9,OPEN,CLOSE,2,0),COLORRED;
