指标的主要功能是识别股票在经历一次显著的大阳线涨停板后，次日可能出现的强势回调或继续上涨的“首板动能”机会。其操作策略基于一个核心判断：寻找前一天收盘价等于当天最高价（即光头大阳线）且涨幅超过阈值的股票，同时要求当日的预测成交量在一个特定范围内（既不过于清淡也不过度放量）。当这些条件满足时，系统会在当天进行标记，提示投资者关注该股票第二天的表现，因为这可能预示着主力资金的介入和后续的上涨潜力。
{主图源码如下}
VARG1:=CLOSE/REF(CLOSE,1)>1.07 AND CLOSE=HIGH AND BETWEEN(FORCAST(VOL,4),0.2*FORCAST(VOL,12),2.1*FORCAST(VOL,12));
VARG2:=FILTER(VARG1,28);
XG:=REF(VARG2,1)=1;
MA5:MA(C,5),COLORWHITE,LINETHICK2;
MA10:MA(C,10),COLORYELLOW,LINETHICK2;
MA20:MA(C,20),COLORMAGENTA,LINETHICK2;
MA60:MA(C,60),COLORGREEN,LINETHICK2;
DRAWICON(XG,L*1.02,25);
DRAWTEXT(XG,L*1.01,'首板动能'),COLORYELLOW;
{副图源码如下}
VARG1:=CLOSE/REF(CLOSE,1)>1.07 AND CLOSE=HIGH AND BETWEEN(FORCAST(VOL,4),0.2*FORCAST(VOL,12),2.1*FORCAST(VOL,12));
VARG2:=FILTER(VARG1,28);
XG:=REF(VARG2,1)=1;
STICKLINE(XG,0,22,3,0),COLORRED;
STICKLINE(XG,0,10,2,0),COLORYELLOW;
DRAWTEXT(XG,15,'首板动能'),COLORYELLOW;
{选股源码如下}
VARG1:=CLOSE/REF(CLOSE,1)>1.07 AND CLOSE=HIGH AND BETWEEN(FORCAST(VOL,4),0.2*FORCAST(VOL,12),2.1*FORCAST(VOL,12));
VARG2:=FILTER(VARG1,28);
XG:REF(VARG2,1)=1;
