版图无Supertrend大智慧源码

 variable:tr=0,up=0,dn=0;
 N:=10;
 M:=1.5;
 TR1:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));
 ATR:=MA(TR1,N);
 median:= (high + low) / 2;
 up:= median+atr * M;
 dn:= median-atr * M;
 tr:=if(c>ref(up,1),1,if(c<ref(dn,1),-1,tr));
 flag:=tr<0 and ref(tr,1)>0;
 flagh:=tr>0 and ref(tr,1)<0;
 dn:=if(tr>0 and dn<ref(dn,1),ref(dn,1),dn);
 up:=if(tr<0 and up>ref(up,1),ref(up,1),up);
 up:=if(flag,median + atr * M,up);
 dn:=if(flagh,median - atr * M,dn);
 outtr:=tr;
 outup:=up;
 outdn:=dn;
 supertren:if(outtr=1,outdn,outup),colorwhite;
 PARTLINE(supertren,tr=1,rgb(200,0,0),tr=-1,rgb(0,200,0));