指标用于识别股票短期爆发机会，核心逻辑如下：
KDJ金叉：当K线上穿D线且J线同步上穿时，发出买入信号
股票筛选：排除ST股、创业板等，要求流通市值小于100亿，股价在2-22元之间
量价特征：当日涨幅接近涨停（9.8%-20.99%），且股价创当日新高
信号标记：当上述条件同时满足时，在图表显示紫色柱状线和多个箭头图标，并标注风口起爆文字提示
操作策略：当出现紫色信号柱且伴随黄色文字提示时，可考虑短线介入，需配合其他指标确认趋势。
{主图源码如下}
操盘线:MA(CLOSE,5)COLORBLUE LINETHICK2;
N:=9;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:=3*K-2*D;
金叉:=KDJ.K>KDJ.D AND KDJ.J>KDJ.D AND KDJ.J>KDJ.K;
流通市值:=CAPITAL*C/1000000;
涨幅:=(C-REF(C,1))/REF(C,1)*100;
价格:=C;
HG0:=NOT(NAMELIKE('ST') OR NAMELIKE('*ST') OR NAMELIKE('S') OR DYNAINFO(4)=0 OR INBLOCK('创业板') OR INBLOCK('科创板')) OR BARSCOUNT(C)>1;
HG1:=流通市值>0 AND 流通市值< 100;
HG2:=涨幅>9.8 AND 涨幅< 20.99 AND C=H;
HG3:=价格>2 AND 价格< 22;
HG4:=COUNT(HG2,2)=1;
风口起爆:=金叉 AND HG0 AND HG1 AND HG2 AND HG3 AND HG4;
STICKLINE(风口起爆,H,L,0,0),COLORFF00FF;
STICKLINE(风口起爆,C,O,3,0),COLOR990099;
STICKLINE(风口起爆,C,O,2,0),COLORBB00BB;
STICKLINE(风口起爆,C,O,1,0),COLORDD00DD;
STICKLINE(风口起爆,C,O,0.3,0),COLORFF00FF;
DRAWICON(风口起爆,L*0.99,9);
DRAWTEXT(风口起爆,L*0.99,'←风口起爆'),COLORRED;
{副图源码如下}
N:=9;
M1:=3;
M2:=3;
RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;
K:=SMA(RSV,M1,1);
D:=SMA(K,M2,1);
J:=3*K-2*D;
金叉:=KDJ.K>KDJ.D AND KDJ.J>KDJ.D AND KDJ.J>KDJ.K;
流通市值:=CAPITAL*C/1000000;
涨幅:=(C-REF(C,1))/REF(C,1)*100;
价格:=C;
HG0:=NOT(NAMELIKE('ST') OR NAMELIKE('*ST') OR NAMELIKE('S') OR DYNAINFO(4)=0 OR INBLOCK('创业板') OR INBLOCK('科创板')) OR BARSCOUNT(C)>1;
HG1:=流通市值>0 AND 流通市值< 100;
HG2:=涨幅>9.8 AND 涨幅< 20.99 AND C=H;
HG3:=价格>2 AND 价格< 22;
HG4:=COUNT(HG2,2)=1;
风口起爆:=金叉 AND HG0 AND HG1 AND HG2 AND HG3 AND HG4;
STICKLINE(风口起爆,16,0,0,0), COLORLIMAGENTA;
STICKLINE(风口起爆,+10,16,3,0),COLORMAGENTA;
DRAWICON(风口起爆,16.2,9);
DRAWTEXT(风口起爆,10,' ★风口起爆'),COLORYELLOW;
DRAWICON(风口起爆,13.2,9);
DRAWICON(风口起爆,10.2,34);
DRAWICON(风口起爆,8.2,42);
DRAWICON(风口起爆,6.2,1);
DRAWICON(风口起爆,4.2,1);
DRAWICON(风口起爆,2.2,1);
DRAWICON(风口起爆,0.2,1);
