■■在第一防线下介入，大部分不会被套（代码、图）

注意：把K线放到最大后退两步,能显示20天K线为好
 

注意：把K线放到最大后退两步,能显示20天K线为好
 

DRAWRECTREL(300,125,900,125,80);
DRAWRECTREL(300,250,900,250,80);
DRAWRECTREL(300,375,900,375,80);
DRAWRECTREL(300,500,900,500,80);
DRAWRECTREL(300,625,900,625,80);
DRAWRECTREL(300,750,900,750,80);
DRAWRECTREL(300,875,900,875,80);
STICKLINE(C<REF(C,1),H,L,0,0),COLORCYAN;
STICKLINE(C<REF(C,1),C,O,0,0),COLORBLUE;
DRAWTEXT_FIX(1,0.3,0.875,1,'第一防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.75,1,'第二防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.625,1,'第三防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.5,1,'第四防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.375,1,'第五防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.25,1,'第六防线'),COLORYELLOW;
DRAWTEXT_FIX(1,0.3,0.125,1,'第七防线'),COLORYELLOW;