M:=5;
趋势线: 3*SMA((CLOSE- LLV(LOW,M))/(HHV(HIGH,M)-LLV(LOW,M))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,M))/(HHV(HIGH,M)-LLV(LOW,M))*100,5,1),3,1);
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见底信号: 10;
买点准备: IF(趋势线<=10,50,0);
买入时间: IF(CROSS(趋势线,见底信号),100,0);