优化波段顶底副图及选股

此副图就买，卖两信号，在这里分享副图及买信号选股源码，公式不是万能，公式只是一种辅助手段，只是提供一种思路，更多的还是靠个人的判断分析能力。

副图源码：

SHORT:=10;
LONG:=50;
SG1:=(C-MA(C,SHORT))/MA(C,SHORT)*100;
SG2:=(C-LLV(L,LONG))/(HHV(H,LONG)-LLV(L,LONG))*100;
SG3:=SMA(SG2,2,1);
顶:100+(-ABS(SG1)),COLORRED;
股价:SMA(SG3,2,1);
底:ABS(SG1),COLORGREEN;
生死线:50,COLORFFAA00,LINETHICK3;
A:80;
B:20;
买:STICKLINE(CROSS(股价,底),3,20,2,0),COLORRED,LINETHICK1;
STICKLINE(CROSS(股价,底),20,25,2,0),COLORFF9900,LINETHICK1;
DRAWTEXT(CROSS(股价,底),30,' 买'),COLORFFFFCC;
卖:STICKLINE(CROSS(股价,顶),70,90,2,0),COLORRED,LINETHICK1;
STICKLINE(CROSS(股价,顶),90,99,2,0),COLORFF9900,LINETHICK1;
DRAWTEXT(CROSS(股价,顶),70,' 卖'),COLORFFFFCC;

买信号选股源码：

SHORT:=10;
LONG:=50;
SG1:=(C-MA(C,SHORT))/MA(C,SHORT)*100;
SG2:=(C-LLV(L,LONG))/(HHV(H,LONG)-LLV(L,LONG))*100;
SG3:=SMA(SG2,2,1);
股价:=SMA(SG3,2,1);
底:=ABS(SG1);
买:CROSS(股价,底);

指标仅供参考，不作投资依据。