机械操盘很轻松

根据买卖提示，机械操盘很轻松。很实用！

b:=(EMA(((O+H+L+C)/4),3)+EMA(((O+H+L+C)/4),6)+EMA(((O+H+L+C)/4),9))/4;
 d:=(EMA(((O+H+L+C)/4),5)+EMA(((O+H+L+C)/4),10)+EMA(((O+H+L+C)/4),20))/4;
 a1:DRAWTEXT((b>d) AND (REF(b,1) < REF(d,1)), LOW*0.99, '买');
a2:DRAWTEXT((b<d) AND (REF(b,1) > REF(d,1)), HIGH*1.01, '卖');
STICKLINE((b<d),LOW,HIGH,0.8,0),COLORE0E000;
 STICKLINE((b<d),CLOSE,OPEN,8,0),COLORE0E000;
 STICKLINE((b>d),LOW,HIGH,0.8,0),COLORRED;
 STICKLINE((b>d),CLOSE,OPEN,8,0),COLORRED;