VAR1:=EMA(C,2);VAR2:=EMA(SLOPE(C,21)*20+C,42);VAR3:=OSS(VAR1,VAR2);VAR4:=CROSS(VAR2,VAR1);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