把红箭头做个选股

编写条件：

请老师把出现红箭头做个选股 买线:=EMA(C,2); 卖线:=EMA(SLOPE(C,34)*20+C,42); BU:=CROSS(买线,卖线); SEL:=CROSS(卖线,买线); DRAWICON(BU,L-0.1,1); DRAWICON(SEL,H+0.1,2); STICKLINE(买线>=卖线,LOW,HIGH,0.0,1),COLORRED; STICKLINE(买线>=卖线,CLOSE,OPEN,2,1),COLORRED; STICKLINE(买线<卖线,LOW,HIGH,0.0,1),COLORGREEN; STICKLINE(买线<卖线,CLOSE,OPEN,2,1),COLORGREEN; 散户:EMA(CLOSE,5),COLORWHITE; 操盘:MA(CLOSE,9),COLORCYAN,LINETHICK2; 界点:MA(CLOSE,42),COLORMAGENTA;

编写方法：

&nbsp;买线:=Ema(C,2);