: 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);警戒: 10;警戒: IF(股价趋势<=10,50,0),STICK,LINETHICK3,coloryellow;买入信号: IF(OSS(股价趋势,底部警戒),100,0),STICK,LINETHICK3,colorblue;警戒: 90, colorred;警戒: IF(股价趋势>=85,50,0),STICK,LINETHICK3,colorred;卖出信号: IF(CROSS(股价趋势,顶部警戒),100,0),STICK,LINETHICK3,colorgreen;