VAR1:=REF(CLOSE,1);VAR2:=SMA(MAX(CLOSE-VAR1,0),7,1)/SMA(ABS(CLOSE-VAR1),7,1)*100,COLORYELLOW;VAR21:IF(VAR2< 20,40,20),COLORRED;VAR22:IF(VAR2>80,60,80),COLORFFFF50;VAR2↑:STICKLINE(FILTER(REF(VAR2,1)< 20 AND VAR2>REF(VAR2,1),5),20,40,8,0),COLORRED;VAR2↓:STICKLINE(FILTER(REF(VAR2,1)>80 AND VAR2< REF(VAR2,1),5),60,80,8,0),COLORFFFF50;DRAWTEXT(FILTER(REF(VAR2,1)< 20 AND VAR2>REF(VAR2,1),5),40 ,'买入' ),COLORFFFFFF;DRAWTEXT(FILTER(REF(VAR2,1)>80 AND VAR2< REF(VAR2,1),5),60 ,'卖出' ),COLORFFFFFF;80,COLORGREEN;20,COLORRED;