通达信底部起爆指标：

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),COLORGREEN;
启动在即: IF(CROSS(趋势,3),100,0),COLORFF00FF;
秘密买点: IF(趋势<=3,25,0),COLORRED;
主力建仓: IF(趋势<5,45,0),COLORWHITE;

选股：

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),COLORGREEN;
启动在即: IF(CROSS(趋势,3),100,0),COLORFF00FF;

注： 庄家建仓及买入有个过程，不要指望马上获利，往往有个反复。可在趋势走稳时介入。