通达信回调指标+选股（主图/选股指标）
Q2:=REF(O,2)>REF(C,2);
Q1:=REF(O,1)>REF(C,1) AND REF(C,1)<REF(C,2);
YBY:=C>O AND C>REF(H,1);
YZ:=YBY AND Q1 AND Q2 AND REF(C,1)<REF(C,2);
XG:DRAWTEXT(YZ AND C<55 AND DYNAINFO(4)>0,L*0.99,'回调截杀');
UPPER:(1+5/100)*MA(CLOSE,13);
LOWER:(1-5/100)*MA(CLOSE,13);
ENE:(UPPER+LOWER)/2;
