H1:=maX(DYNAINFO(3),DYNAINFO(5));
L1:=MIN(DYNAINFO(3),DYNAINFO(6));
P1:=H1-L1;
DF1:=L1+P1*7/8,COLORGREEN;
DF2:=L1+P1*0.5/8,COLORRED;
DF3:=(DF2+DF1)/2,COLORWHITE;
V11:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA(SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1),3,1);
趋势线:=EMA(V11,3),LINETHICK2,COLORLIBLUE;
BB0:=REF(趋势线,1)<11 AND crOSS(趋势线,11) AND C<DF3;
买入:BB0,COLORRED;