变色线
A:=(3*CLOSE+LOW+OPEN+HIGH)/6;
HJX21:=(21*A+20*REF(A,1)+19*REF(A,2)+18*REF(A,3)+17*REF(A,4)+16*REF(A,5)+
15*REF(A,6)+14*REF(A,7)+13*REF(A,8)+12*REF(A,9)+11*REF(A,10)+
10*REF(A,11)+9*REF(A,12)+8*REF(A,13)+7*REF(A,14)+6*REF(A,15)+
5*REF(A,16)+4*REF(A,17)+3*REF(A,18)+2*REF(A,19)+
REF(A,21))/231;
HJX3:=(3*A+2*REF(A,1)+REF(A,2))/6;
DC1:EMA(HJX3,4),COLORLIMAGENTA;
DC2:EMA(DC1,3),COLORRED;
DC3:EMA(DC1,7),COLORRED;
K1:=BACKSET(DC1<REF(DC1,1),2);
IF(K1,DC1,DRAWNULL),COLORGREEN,LINETHICK1;
K2:=BACKSET(DC2<REF(DC2,1),2);
IF(K2,DC2,DRAWNULL),COLORGREEN,LINETHICK1;
K3:=BACKSET(DC3<REF(DC3,1),2);
IF(K3,DC3,DRAWNULL),COLORGREEN,LINETHICK1;
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