见底信号:=10,COLORRED;
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), , COLORBLUE;
买点准备:IF(趋势线<=50,50,0), DOTLINE,COLORGREEN;
买入:IF(crOSS(趋势线,见底信号),100,0), LINETHICK2 COLORRED;
DRAWICON(买入,100,9);