把买点指标编写个卖点提示

编写要求：

解答：

?网友求助：

麻烦老师把买点指标编写出卖出提示
N1:=6;
LC:=REF(CLOSE,1);
RSI1:=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(ABS(CLOSE-LC),N1,1)*100;
全套牢:=COST(0.01);

全套牢底:L<全套牢 AND RSI1<20,COLORGREEN,NODRAW;
STICKLINE(全套牢底,0,0.5,1,0),COLORGREEN;

全套牢买点:REF(全套牢底,1)=1 AND 全套牢底=0,COLORRED,NODRAW;
STICKLINE(全套牢买点,0,1,1,0),COLORRED;()
?