三指标共振选股

三指标公式,共振选股

expma(17,17)金叉， macd强势，boll强势三共振选股

T:=CROSS(C,EXPMA.EXP2(17,17));
 T1:=T AND (C-REF(C,1))/REF(C,1)>0.05;
 T2:=EXIST(CROSS(MACD.DIF,MACD.DEA),3) AND MACD.DEA>0;
 T3:=EXIST(C,BOLL.BOLL(25));
 T1 AND T2 AND T3;