中线启动，抓涨停股(用于通达信)

aa:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24))/4;

bb:=EMA(CLOSE,12)-EMA(CLOSE,26);

zz:=EMA(bb,9);

MACD:=(bb-zz)*2;

XG:CROSS(C,aa) AND MACD>0 AND REF(EVERY(MACDREF(MACD,1);