趋势线: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), coloryellow;
{- }
见底信号: 10, color983433;
买点准备: IF(趋势线<=10,50,0), colorred;
买入时间: IF(crOSS(趋势线,见底信号),100,0), color008833;