一线牛熊指标，主图K线穿越红线就需要关注，择机买入，附图参考买卖点，但是附图有时候未发出买点，关注附图操盘线穿越横线2，一旦操盘线上穿横线2就有可能走加速行情，择机买入。
VAR1:=LLV(LOW,100);
VAR2:=HHV(HIGH,250);
操盘线: EMA((CLOSE-VAR1)/(VAR2-VAR1)*4,4);
绝底:0.3,LINETHICK1,COLORGREEN;
绝顶:3.5,LINETHICK1,COLORGREEN;
分界:2,COLORWHITE;
DRAWTEXT(CROSS(操盘线,绝底),0.20,'买'), COLORRED, ;
DRAWTEXT(CROSS(操盘线,绝顶),3.5,'卖'), COLORYELLOW, ;
AA:=C/LLV(MA(C,3),20)>1.25 OR C/LLV(MA(C,3),10)>1.15;
BB:=L<MA(C,3)*1.01 AND O>MA(C,5) AND C>=MA(C,3) AND C/H>0.95;
CC:=L<MA(C,5)*1.01 AND O>MA(C,10) AND C>=MA(C,5) AND C/H>0.95;
FF:=BB OR CC;
GG:=AA AND FF;
XG:FILTER(GG,20);
