在接近底部区域时红线扭头向上买入，在接近顶部区域时红线扭头向下卖出。

VAR1:=REF(LOW,1);
 VAR2:=SMA(ABS(LOW-VAR1),3,1)/SMA(MAX(LOW-VAR1,0),3,1)*100;
 VAR3:=EMA(IF(CLOSE*1.2,VAR2*10,VAR2/10),3);
 VAR4:=LLV(LOW,38);
 VAR5:=HHV(VAR3,38);
 VAR6:=IF(LLV(LOW,90),1,0);
 VAR7:=EMA(IF(LOW<=VAR4,(VAR3+VAR5*2)/2,0),3)/618*VAR6;
 VAR8:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;
 VAR9:=SMA(VAR8,13,8);
底线:0,COLOR00FFFF;
主力吸货:VAR7,COLOR0000FF;
吸筹1:STICKLINE(VAR7,0,VAR7,6,0),COLOR0000FF;
吸筹2:STICKLINE(VAR7,0,VAR7,5,0),COLOR6600FF;
吸筹3:STICKLINE(VAR7,0,VAR7,4,0),COLORBB00FF;
吸筹4:STICKLINE(VAR7,0,VAR7,3,0),COLORFF00FF;
吸筹5:STICKLINE(VAR7,0,VAR7,2,0),COLORFF33FF;
吸筹6:STICKLINE(VAR7,0,VAR7,1,0),COLORFF66FF;
吸筹7:STICKLINE(VAR7,0,VAR7,0,0),COLORFF99FF;
风险:CEILING(SMA(VAR9,13,8)),LINETHICK1,colorgreen;
涨跌:MA(3*SMA((C-LLV(L,27))/(HHV(H,27)-LLV(L,27))*100,5,1)-2*
 SMA(SMA((C-LLV(L,27))/(HHV(H,27)-LLV(L,27))*100,5,1),3,1),5),LINETHICK1,colorred;
 DRAWICON(CROSS(风险,涨跌),风险,1),COLORD9D919 ;
 DRAWICON(CROSS(涨跌,风险),涨跌,6),coloryellow;
高险区:90,colorred ;
无风险:15,colorred ;
 n3:=BARSLAST(CROSS(风险,涨跌));
n4:=BARSLAST(CROSS(涨跌,风险));
金叉天数:IF(n3<n4,n3+1,0),colorred,LINETHICK0;