fhx凤凰线-系统自带公式，个人觉的还可以

N缺省1
 xopen:=(ref(o,N)+ref(c,N))/2;
 xclose:=close;
 xhigh:=max(high,xopen);
 xlow:=min(low,xopen);
 
volality:=ma(xhigh-xlow,8);
 
凰线:ma(xclose,5)+volality/2;
 凤线:ma(xclose,5)-volality/2;
 
bu:=cross(xclose,凰线);
 sel:=cross(凤线,xclose);
 
var1:=barslast(bu);
 var2:=barslast(sel);
 
drawicon(ref(var1,1)>var2 and var1=0,xlow,7),align1,valign0;
 drawicon(ref(var2,1)>var1 and var2=0,xhigh,8),align1,valign2;
 

STICKLINE(xclose>xopen and var1<var2,xclose,xopen ,8,0 ),colorred;
 STICKLINE(xclose>xopen and var1<var2,xhigh,xclose ,0.5,0 ),colorred;
STICKLINE(xclose>xopen and var1<var2,xopen,xlow ,0.5,0 ),colorred;

STICKLINE(xclose<=xopen and var1<var2,xclose,xopen ,8,0 ),coloryellow;
 STICKLINE(xclose<=xopen and var1<var2,xhigh,xopen ,0.5,0 ),coloryellow;
STICKLINE(xclose<=xopen and var1<var2,xclose,xlow ,0.5,0 ),coloryellow;

STICKLINE(xclose<=xopen and var1>var2,xclose ,xopen ,8,0 ),colorgreen;
 STICKLINE(xclose<=xopen and var1>var2,xopen ,xhigh ,0.5,0 ),colorgreen;
STICKLINE(xclose<=xopen and var1>var2,xclose,xlow ,0.5,0 ),colorgreen;
 

STICKLINE(xclose>xopen and var1>var2,xclose ,xopen ,8,0 ),colorblue;
 STICKLINE(xclose>xopen and var1>var2,xclose,xhigh ,0.5,0 ),colorblue;
STICKLINE(xclose>xopen and var1>var2,xopen,xlow ,0.5,0 ),colorblue;