反转抓板预警指标 通达信公式（附图）

跌幅:=BETWEEN((C-REF(C,1))/REF(C,1)*100,-5,-7);
去除大盘股:=CAPITAL/1000000>=0.5 AND CAPITAL/1000000<=50; {流通盘取0.5亿至16亿}
去除高低价:=DYNAINFO(7)>3;{股价取大于3元}
去除停牌ST:=NOT(NAMELIKE('S') OR NAMELIKE('ST') OR NAMELIKE('*')) AND DYNAINFO(17)>0;
粗选:去除高低价 AND 去除大盘股 AND 去除停牌ST AND 跌幅;