尽量选择一些自底部起来涨幅不大的股票进行关注操作，切勿追高，风险很大。 X_1:=HHV(HIGH,240); X_2:=HHV(HIGH,240)*0.75; X_3:=HHV(HIGH,240)*0.5; 起飞:=CLOSE>X_2 AND CLOSE>OPEN AND X_1>REF(X_1,1); XG:FILTER(起飞,20);
