1.通达信主板预警指标针对主板个股弱转强，强更强的个股进行盘中预警，如果出信号当时涨幅不大可直接选择买入。
2.设置为盘中预警开盘期间自动预警出信号，并非涨停板才会有信号，如果15日内有过涨停板则预警信号涨幅会比较低，如果没有涨停板则涨幅预警在9.5个点左右还是有机会买入的。
3.指标不含未来函数，指标不漂移。
{主板预警--副图}
GHCZS1:=MA(MA(L,25),25)-(MA(MA(H,25),25)-MA(MA(L,25),25))*1;
GHCZS2:=100*MA(MA((C-REF(C,1)),6),6)/MA(MA(ABS((C-REF(C,1))),6),6);
GHCZS3:=LLV(GHCZS2,2)=LLV(GHCZS2,7) AND COUNT(GHCZS2<0,2) AND CROSS(GHCZS2,MA(GHCZS2,2));
GHCZS4:=GHCZS1>HIGH AND GHCZS3 AND L<=GHCZS1;
GHCZS5:=BARSLAST(GHCZS4);{延进公式网 www.6073168.com}
GHCZS6:=BARSLASTS(GHCZS4,2);
GHCZS7:=REF(H,GHCZS5)>REF(H,GHCZS6) AND REF(L,GHCZS5)>REF(L,GHCZS6) AND GHCZS6>GHCZS5+13;
GHCZS8:=(C-REF(C,1))/REF(C,1)>0.095 AND C=HIGH;
GHCZS9:=CROSS(C,REF(H,GHCZS5)) AND COUNT(GHCZS8,15)>0;
{第一种选股}
选股1:GHCZS9 AND FILTER(GHCZS9,5),LINETHICK2,COLOR00FFFF;{主板89.65%,6.41%；去沪港通，90.21%，8.93%}
{第二种选股}
{选股2:GHCZS9 AND FILTER(GHCZS9,5) AND REF(GHCZS8,1)<1}{主板91.44%,5.61%；去沪港通90.93%，7.73%};
{主板预警--选股}
XG1:=MA(MA(L,25),25)-(MA(MA(H,25),25)-MA(MA(L,25),25))*1;
XG2:=100*MA(MA((C-REF(C,1)),6),6)/MA(MA(ABS((C-REF(C,1))),6),6);
XG3:=LLV(XG2,2)=LLV(XG2,7) AND COUNT(XG2<0,2) AND CROSS(XG2,MA(XG2,2));
XG4:=XG1>HIGH AND XG3 AND L<=XG1;
XG5:=BARSLAST(XG4);
XG6:=BARSLASTS(XG4,2);
XG7:=REF(H,XG5)>REF(H,XG6) AND REF(L,XG5)>REF(L,XG6) AND XG6>XG5+13;
XG8:=(C-REF(C,1))/REF(C,1)>0.095 AND C=H;
XG9:=CROSS(C,REF(H,XG5)) AND COUNT(XG8,15)>0;
{第一种选股}
选股1:XG9 AND FILTER(XG9,5);{主板89.65%,6.41%；去沪港通，90.21%，8.93%}
{第二种选股}
{选股2:XG9 AND FILTER(XG9,5) AND REF(XG8,1)<1}{主板91.44%,5.61%；去沪港通90.93%，7.73%};
