RSV:=(((CLOSE - LLV(LOW,9)) / (HHV(HIGH,9) - LLV(LOW,9))) * 100);信号线2:=SMA(RSV,3,1),COLORCYAN;D:=SMA(信号线2,3,1);信号线1:=3*信号线2-2*D;买入时机:=IF(CROSS(信号线1,3),50,0); 绿柱跟庄:买入时机;