N(15 85 35)
天衣:=EMA((CLOSE-LLV(LOW,10))/(HHV(HIGH,25)-LLV(LOW,10))*4,4)*25;
无逢:=SMA(天衣,2,1);
买点:CROSS(天衣,无逢)AND 无逢<N,COLORRED;

说明：为了被免误导请调整(N)15－－85参数随时可以过滤危险高价位发出买入信号。
（N）参数注明：15为底价信号、85为高价信号、50以下为安全区、50以上为危险区，随各人喜好，爱怎样调整都好.

（底顶天衣无逢）副图
盘底:15,COLORGREEN;
盘顶:85,COLORMAGENTA;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1),COLORYELLOW;
D:=SMA(K,3,1),COLORYELLOW,;
STICKLINE(K>D,K,D,2,0),COLORLIRED;
STICKLINE(D>K,K,D,2,0),COLORLIBLUE;
VAR1:=(CLOSE-MA(CLOSE,13))/MA(CLOSE,13)*100;
VAR2:=(CLOSE-MA(CLOSE,26))/MA(CLOSE,21)*100;
VAR3:=(CLOSE-MA(CLOSE,90))/MA(CLOSE,34)*100;
VAR4:=(VAR1+3*VAR2+9*VAR3)/13;
VAR5:=(100-ABS(VAR4));
VAR6:=LLV(LOW,10);
VAR7:=HHV(HIGH,25);
黄:EMA((CLOSE-VAR6)/(VAR7-VAR6)*4,4)*25,COLORYELLOW, LINETHICK2;
白:SMA(黄,2 ,1),COLORWHITE;
DRAWICON(CROSS(黄,白),(黄,白),1);