在副图下方出现第一个黄柱时写一选股预警公式

短牛:=IF((LLV(VAR2,2)=LLV(VAR2,7) AND COUNT(VAR2<0,2) AND CROSS(VAR2,MA(VAR2,2))) AND REF(DOWN,1)<REF(DOWN,2) AND UP>REF(DOWN,1),DRAWNULL,100);