bbi选股

编写条件：

收盘价上穿bbi，macd金叉

编写方法：

DIFF :=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA :=EMA(DIFF,9);
macd :=2*(DIFF-DEA);
bbi:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24))/4;
XG:crOSS(DIFF,DEA) AND CROSS(c,bbi) ;