拒绝滞后！优化版神龙通道内置MACD共振，突破即上车，空头陷阱一眼看穿。

//【神龙通道-MACD共振优化版】文华财经专用
//参数与基础计算
MID:=EMA2(C,25);
TR := MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));
ATRVAL := MA(TR,10),COLORYELLOW;
UP:=MID + ATRVAL*2.2;
DN:=MID - ATRVAL*2.2;
//趋势斜率计算
PX:=MID-REF(MID,1);
DUOTOU:=PX>0.06 AND C>MID;
KONGTOU:=PX<-0.06 AND C<MID;
ZHENDANG:=ABS(PX)<=0.06;
//内置MACD共振计算
DIF:=EMA(C,12)-EMA(C,26);
DEA:=EMA(DIF,9);
//绘制轨道线
中轨:MID,COLORWHITE,LINETHICK2;
上轨:UP,COLORRED;
下轨:DN,COLORGREEN;
//三色趋势带（IF替代PARTLINE实现）
DUOTOU_LINE:=IF(DUOTOU,MID,NULL),COLORRED,LINETHICK3;
KONGTOU_LINE:=IF(KONGTOU,MID,NULL),COLORGREEN,LINETHICK3;
ZHENDANG_LINE:=IF(ZHENDANG,MID,NULL),COLORGRAY,LINETHICK1;

//多空共振信号
多单共振:=DUOTOU AND DIF>DEA;
空单共振:=KONGTOU AND DIF<DEA;

//买卖箭头标注
DRAWICON(多单共振 AND L<=DN*1.02,L,'ICO4'); //红色上箭头
DRAWICON(空单共振 AND H>=UP*0.98,H,'ICO5'); //绿色下箭头