diff --git a/Indicators/MyIndicators/Authors/Kaufman/PVI_NVI_Pro.mq5 b/Indicators/MyIndicators/Authors/Kaufman/PVI_NVI_Pro.mq5
new file mode 100644
index 0000000..ac6df7b
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+++ b/Indicators/MyIndicators/Authors/Kaufman/PVI_NVI_Pro.mq5
@@ -0,0 +1,132 @@
+//+------------------------------------------------------------------+
+//|                                                  PVI_NVI_Pro.mq5 |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.10" // Added signal lines and display modes
+#property description "Positive Volume Index (PVI) and Negative Volume Index (NVI)."
+
+#property indicator_separate_window
+#property indicator_buffers 4
+#property indicator_plots   4
+
+//--- Plot 1: PVI
+#property indicator_label1  "PVI"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  2
+//--- Plot 2: NVI
+#property indicator_label2  "NVI"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrOrangeRed
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  2
+//--- Plot 3: PVI Signal
+#property indicator_label3  "PVI Signal"
+#property indicator_type3   DRAW_LINE
+#property indicator_color3  clrCornflowerBlue
+#property indicator_style3  STYLE_DOT
+#property indicator_width3  1
+//--- Plot 4: NVI Signal
+#property indicator_label4  "NVI Signal"
+#property indicator_type4   DRAW_LINE
+#property indicator_color4  clrTomato
+#property indicator_style4  STYLE_DOT
+#property indicator_width4  1
+
+#include <MyIncludes\PVI_NVI_Calculator.mqh>
+
+enum ENUM_PVINVI_DISPLAY { DISPLAY_PVI_ONLY, DISPLAY_NVI_ONLY, DISPLAY_BOTH };
+
+//--- Input Parameters ---
+input group "Display & Signal Line"
+input ENUM_PVINVI_DISPLAY InpDisplayMode  = DISPLAY_NVI_ONLY;
+input int                 InpSignalPeriod = 255; // Default to ~1 year for NVI
+input ENUM_MA_TYPE        InpSignalMAType = SMA;
+input group "Source Settings"
+input ENUM_APPLIED_VOLUME InpVolumeType   = VOLUME_TICK;
+input ENUM_CANDLE_SOURCE  InpCandleSource = CANDLE_STANDARD;
+
+//--- Indicator Buffers ---
+double    BufferPVI[], BufferNVI[], BufferPVISignal[], BufferNVISignal[];
+
+//--- Global calculator object ---
+CPVINVICalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   if(InpVolumeType == VOLUME_REAL && SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT) == 0)
+     {
+      Print("Error: Real Volume is not available for this symbol. Please use Tick Volume.");
+      return(INIT_FAILED);
+     }
+
+   SetIndexBuffer(0, BufferPVI,       INDICATOR_DATA);
+   SetIndexBuffer(1, BufferNVI,       INDICATOR_DATA);
+   SetIndexBuffer(2, BufferPVISignal, INDICATOR_DATA);
+   SetIndexBuffer(3, BufferNVISignal, INDICATOR_DATA);
+   ArraySetAsSeries(BufferPVI, false);
+   ArraySetAsSeries(BufferNVI, false);
+   ArraySetAsSeries(BufferPVISignal, false);
+   ArraySetAsSeries(BufferNVISignal, false);
+
+   PlotIndexSetDouble(0, PLOT_EMPTY_VALUE, EMPTY_VALUE);
+   PlotIndexSetDouble(1, PLOT_EMPTY_VALUE, EMPTY_VALUE);
+   PlotIndexSetDouble(2, PLOT_EMPTY_VALUE, EMPTY_VALUE);
+   PlotIndexSetDouble(3, PLOT_EMPTY_VALUE, EMPTY_VALUE);
+
+   if(InpCandleSource == CANDLE_HEIKIN_ASHI)
+      g_calculator = new CPVINVICalculator_HA();
+   else
+      g_calculator = new CPVINVICalculator();
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpVolumeType, InpSignalPeriod, InpSignalMAType))
+     {
+      Print("Failed to initialize PVI/NVI Calculator.");
+      return(INIT_FAILED);
+     }
+
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("PVI/NVI%s", (InpCandleSource == CANDLE_HEIKIN_ASHI ? " HA" : "")));
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+   int draw_begin = 1 + InpSignalPeriod;
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 1);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, 1);
+   PlotIndexSetInteger(2, PLOT_DRAW_BEGIN, draw_begin);
+   PlotIndexSetInteger(3, PLOT_DRAW_BEGIN, draw_begin);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; }
+
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total, const int, const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+
+   if(InpVolumeType == VOLUME_REAL)
+      g_calculator.Calculate(rates_total, open, high, low, close, volume, BufferPVI, BufferNVI, BufferPVISignal, BufferNVISignal);
+   else
+      g_calculator.Calculate(rates_total, open, high, low, close, tick_volume, BufferPVI, BufferNVI, BufferPVISignal, BufferNVISignal);
+
+   if(InpDisplayMode == DISPLAY_PVI_ONLY)
+     {
+      ArrayInitialize(BufferNVI, EMPTY_VALUE);
+      ArrayInitialize(BufferNVISignal, EMPTY_VALUE);
+     }
+   else
+      if(InpDisplayMode == DISPLAY_NVI_ONLY)
+        {
+         ArrayInitialize(BufferPVI, EMPTY_VALUE);
+         ArrayInitialize(BufferPVISignal, EMPTY_VALUE);
+        }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+