{双蹄奋起选股公式}

MA5:=MA(C,7);
MA20:=MA(C,20); (来源：中国股票网 www.yz21.org)
MA90:=MA(C,90);
Y1:=BARSLAST(CROSS(MA5,MA20)) AND MA5>MA20;
Y2:=Y1 AND BARSLAST(CROSS(MA5,MA90));
双跨越:Y2 AND CROSS(MA20,MA90);
F0:=BARSLAST(CROSS(MA(C,5),MA(C,90)));
F1:=F0 AND BARSLAST(CROSS(MA(C,20),MA(C,90)));
双蹄奋起:F1 AND CROSS(MA(C,5),MA(C,20)) AND MA(C,20)>MA(C,90);