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文华财经期货多空波段BS趋势主图指标公式源码

N:=10;
X:=(3*C+L+O+H)/6;
多空线:(20*X+19*REF(X,1)+18*REF(X,2)+17*REF(X,3)+16*REF(X,4)+15*REF(X,5)
+14*REF(X,6)+13*REF(X,7)+12*REF(X,8)+11*REF(X,9)+10*REF(X,10)+9*REF(X,11)
+8*REF(X,12)+7*REF(X,13)+6*REF(X,14)+5*REF(X,15)+4*REF(X,16)+3*REF(X,17)
+2*REF(X,18)+REF(X,20))/210,COLORRED,NODRAW;
EMA2(X,20),LINETHICK1;
DRAWCOLORLINE(EMA2(X,20)>REF(EMA2(X,20),1),EMA2(X,20),COLORYELLOW,COLORCYAN),LINETHICK2;
DRAWTEXT(C>EMA2(X,20),EMA2(X,20),’B’),VALIGN0,COLORRED;
DRAWTEXT(C<EMA2(X,20),EMA2(X,20),’S’),COLORGREEN;