{MACD操盘好选股}
V1:=MA(CLOSE,21);
多方线:=100*(CLOSE-V1)/STD(CLOSE,21),COLOR00ffff,linethick3;
空方线:= EMA(多方线,13),COLOR00ff00,linethick2;
操盘好选股:if(cross(多方线,空方线) and ma(c,3)>ref(ma(c,3),1),1,0);