VAR1:=EMA(C,2);
 VAR2:=EMA(SLOPE(C,21)*20+C,42);
 VAR3:=CROSS(VAR1,VAR2);
 VAR4:=CROSS(VAR2,VAR1);
{w ww.8 8g s.com}
 MA20:MA(C,20),COLORGREEN,LINETHICK1;
 MA10:MA(C,10),COLORCYAN,LINETHICK1;
 MA4:MA(C,4),COLORYELLOW,LINETHICK1;
 DRAWTEXT(VAR3,LOW*0.95,'买'),COLORYELLOW,LINETHICK3;
 DRAWTEXT(VAR4,HIGH*1.028,'卖'),COLORGREEN,LINETHICK3;
 STICKLINE(VAR1=VAR2,LOW,HIGH,0,0),COLORRED;
 STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),COLORRED;
 STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),COLORRED;
 STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),COLORRED;
 STICKLINE(VAR1>=VAR2,CLOSE,OPEN,2,0),COLORRED;
 STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),COLORGREEN;
 STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),COLORGREEN;
 STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),COLORGREEN;
 STICKLINE(VAR1<VAR2,CLOSE,OPEN,2,0),COLORGREEN;
 STICKLINE(VAR1<VAR2,LOW,HIGH,0,0),COLORGREEN;