VAR2:=LLV(LOW,33);
VAR3:=HHV(HIGH,21);
VAR4:=EMA((CLOSE-VAR2)/(VAR3-VAR2)*100,20)*0.998;
短线通道:20,COLORGREEN;

短线顶部:85,COLORFF00FF;
强弱分界:50,COLOR00FFFF;
DRAWTEXTREL( 
10,10 ,'临界悬浮- 点评：注意买不亏' 
),COLOR555555;
DRAWTEXT(FILTER(CLOSE>0,100),15,'安全区'),COLORWHITE;
短线:EMA(0.667*REF(VAR4,1)+0.333*VAR4,1);
STICKLINE(短线>=REF(短线,1),短线+0.5,短线-1,6,0),COLORRED,LINETHICK2;
STICKLINE(短线<REF(短线,1),短线+0.5,短线-1,6,0),COLOR00FF00;
STICKLINE(短线通道>短线,短线通道,短线,7,0),COLOR00FFFF, 
LINETHICK3;
DRAWTEXT(CROSS(短线,短线通道) ,短线+1,'买不亏'),COLORFF00FF;