好用的趋势线副图指标【通达信，大智慧，同花顺，飞狐】

均价:=(2*C+(H-L)/2+L+o)/4;
价差:=SUM(均价-REF(均价,1),3)/3;
实价:=(均价+价差);
趋势:3*sMA(((实价+均价)/2-LLV(均价,252))/(HHV(实价,252)-LLV(均价,252))*100,63,1)-2*sMA(sMA(((实价+均价)/2-LLV(均价,252))/(HHV(实价,252)-LLV(均价,252))*100,63,1),3,1)COLOR9900FF,LINETHICK1;
趋势线:EMA(趋势,21),COLORGREEN;
底:7,COLORGRAY;弱:21,COLORCYAN;界:42,COLORWHITE;强:63,COLORYELLOW;顶:84,COLORMAGENTA;