股价趋势: 3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);底部警戒: 10;买入警戒: IF(股价趋势<=10,50,0),STICK,linethick1,coloryellow;
买入信号: IF(crOSS(股价趋势,底部警戒),100,0),STICK,linethick1,colorblue;顶部警戒: 90, colorred
