通达信 选股公式:股价上穿20日均线后的一到三天缩量回踩,且收盘价不破...答:T1:=CROSS(C,MA(C,20));T2:=BARSLAST(T1)<=2;T3:=(C-MA(C,20))/MA(C,20)*100<=2 AND C>MA(C,20);XVOL:=IF(CURRBARSCOUNT=1 AND PERIOD=5,VOL*240/FROMOPEN,DRAWNULL);T4:=XVOL<REF(V,1)*0.8;XG:T2 AND T3 AND T4;如果是盘后选股的话,t4:=v<ref(v,1)*0.8;...