简单实用的选股指标公式 网上找的一个指标，不知好不好用，测试中
DIFF := EMA(CLOSE,3) - EMA(CLOSE,13); DEA :=EMA(DIFF,3); 旭虹:CROSS(DIFF,DEA) AND CROSS(C,MA(C,5)) AND MA(C,10)>=REF(MA(C,10),1) AND MA(C,20)>=REF(MA(C,20),1) AND MA(C,5)<REF(MA(C,5),5);
