指标主要捕捉股价在经历强势上涨后回调结束、再次启动的短线转折点。通过MACD柱状线由负转正，结合近期是否出现过涨停、当前是否放量上涨等条件，综合判断市场情绪与动能切换时机，并以图形和文字提示“转折尾”信号。
操作策略：当出现黄色图标及“转折尾”提示时，表明短期调整可能结束，若当日收阳且涨幅明显，可视为低风险介入机会，适合快进快出的短线交易。
{主图源码如下}
A:=(C-REF(C,1))/REF(C,1)*100;
A1:=EMA(CLOSE,12)-EMA(CLOSE,26);
A2:=EMA(A1,9);
AP:=(A1-A2)*2;
A3:=CROSS(AP,0);
A4:=BARSLAST(A>=9.93 AND H=C);
A5:=A>=9.93 AND H=C;
STICKLINE(A5,O,C,2.5,0),COLORMAGENTA;
买:=A3 AND A4<=15 AND C>REF(C,1) AND C/REF(C,1)>=1.03 AND REF(A5=0,1) AND H>L;
STICKLINE(买,O,C,2.8,0),COLORYELLOW;
DRAWTEXT(买,L*0.99,' 转折尾'),COLORYELLOW;
{副图源码如下}
A:=(C-REF(C,1))/REF(C,1)*100;
A1:=EMA(CLOSE,12)-EMA(CLOSE,26);
A2:=EMA(A1,9);
AP:=(A1-A2)*2;
A3:=CROSS(AP,0);
A4:=BARSLAST(A>=9.93 AND H=C);
A5:=A>=9.93 AND H=C;
买:=A3 AND A4<=15 AND C>REF(C,1) AND C/REF(C,1)>=1.03 AND REF(A5=0,1) AND H>L;
STICKLINE(买, 0,10, 0,0),COLORYELLOW;
STICKLINE(买, 0,1, 5,0),COLORYELLOW;
STICKLINE(买, 1,2, 4,1),COLORYELLOW;
STICKLINE(买, 2,3, 3,0),COLORMAGENTA;
STICKLINE(买, 3,4, 2,1),COLORYELLOW;
DRAWICON(买,10,18);
DRAWTEXT(买,5,' 转折尾'),COLORYELLOW;
