指标用法指标：会出现红柱买入提示，白线对黄线金叉时买入。
详细源码：
{追涨指标——A追踪主力}
VAR1:=EMA(CLOSE,12)-EMA(CLOSE,26);
VAR2:=EMA(VAR1,9);
VAR3:=2*(VAR1-VAR2);
VAR4:=EMA(CLOSE,5);
VAR5:=EMA(CLOSE,10);
VAR6:=EMA(CLOSE,20);
VAR7:=EMA(CLOSE,30);
VAR8:=EMA(CLOSE,60);
VAR9:=EMA(CLOSE,120);
VAR10:=EMA(CLOSE,250);
VAR11:=IF(VAR4>VAR5 AND VAR5>VAR6 AND VAR6>VAR7 AND VAR7>VAR8 AND VAR8>VAR9 AND VAR9>VAR10,1,0);
VAR12:=IF(VAR3>0 AND REF(VAR3,1)<0,1,0);
VAR13:=IF(VOL>MA(VOL,5)*1.5,1,0);
VAR14:=IF(CLOSE>OPEN AND CLOSE>REF(CLOSE,1) AND VOL>REF(VOL,1),1,0);
VAR15:=VAR11+VAR12+VAR13+VAR14;
主力追踪:VAR15>=3;
