买卖操盘线，买进点可买入股票，卖出点可卖出股票.

买线:EMA(C,2),COLOR000999;

卖线:EMA(SLOPE(C,21)*20+C,42),POINTDOT,coloryellow;

BU:=CROSS(买线,卖线);

SEL:=CROSS(卖线,买线);

DRAWTEXT(BU,LOW-0.06,'买进'),coloryellow;

DRAWTEXT(SEL,HIGH+0.2,'卖出'),colorgreen,LINETHICK7;

DRAWICON(BU,LOW-0.02,5);

DRAWICON(sel,HIGH+0.1,2);

STICKLINE(CROSS(买线,卖线) OR CROSS(卖线,买线),OPEN,CLOSE,6,0),colorblue;