双线之前在抄底线以下游走，后面上穿抄底线买入参考，此时需结合均线判断，需长期下跌均线间隔较大。当双线运行到警戒线以上拐头向下短线卖出。适合做波段。

短线:1-100*(HHV(HIGH,10)-CLOSE)/(HHV(HIGH,10)-LLV(LOW,10));
中线:1-100*(HHV(HIGH,40)-CLOSE)/(HHV(HIGH,40)-LLV(LOW,40));
抄底线↑:-90,POINTDOT;
逃顶线↓:-5,POINTDOT;
警戒线！:-15,POINTDOT;