双线跨越主图之笑脸选股指标公式

Y1:=BArslAST(crOSS(MA(C,5),MA(C,20))) AND MA(C,5)>MA(C,20);
Y2:=Y1 AND BARSLAST(CROSS(MA(C,5),MA(C,90)));
Y3:=Y2 AND CROSS(MA(C,20),MA(C,90));
笑脸:Y3;