最好依据公式:diff:=ema(close,12)-ema(close,26);dea:=ema(diff,9);a0:=cross(diff,dea);a:=a0 and diff<0;ft:=barslast(a);b:=count(a0,ft);第二个金叉:diff>0 and dea>0 and a0 and b<2;编写周日同时二次金叉的公式。
a1:=ma(c,5);a2:=ma(c,10);a3:=ma(c,20);a4:=ma(c,30);t1:=cross(a1,a2);t2:=cross(a3,a4);xg:t1 and t2;参考资料:http://tieba.baidu.com/f?kw=%b9%c9%c6%b1%b9%ab%ca%bd%d7%a8%bc%d2