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;
买入:FILTER(REF(var2,1) 20 AND var2 REF(var2,1),5);