diff --git a/Indicators/MyIndicators/Authors/Ehlers/2_Oscillators/Fisher_Transform_Pro.mq5 b/Indicators/MyIndicators/Authors/Ehlers/2_Oscillators/Fisher_Transform_Pro.mq5
new file mode 100644
index 0000000..d181d1f
--- /dev/null
+++ b/Indicators/MyIndicators/Authors/Ehlers/2_Oscillators/Fisher_Transform_Pro.mq5
@@ -0,0 +1,94 @@
+//+------------------------------------------------------------------+
+//|                                        Fisher_Transform_Pro.mq5  |
+//|                                          Copyright 2025, xxxxxxxx|
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.10" // Fixed Heikin Ashi calculation bug
+#property description "John Ehlers' Fisher Transform for identifying sharp turning points."
+
+#property indicator_separate_window
+#property indicator_buffers 2
+#property indicator_plots   2
+#property indicator_label1  "Fisher"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+#property indicator_label2  "Signal"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrOrangeRed
+#property indicator_style2  STYLE_DOT
+#property indicator_width2  1
+
+#property indicator_level1 1.5
+#property indicator_level2 -1.5
+#property indicator_levelcolor clrGray
+#property indicator_levelstyle STYLE_DOT
+
+#include <MyIncludes\Fisher_Transform_Calculator.mqh>
+
+enum ENUM_PRICE_SOURCE { SOURCE_STANDARD, SOURCE_HEIKIN_ASHI };
+
+//--- Input Parameters ---
+input int              InpPeriod = 10;    // Period for price normalization
+input double           InpAlpha  = 0.33;  // Smoothing factor for normalized price
+input ENUM_PRICE_SOURCE InpSource = SOURCE_STANDARD;
+
+//--- Indicator Buffers ---
+double    BufferFisher[];
+double    BufferSignal[];
+
+//--- Global calculator object ---
+CFisherTransformCalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferFisher, INDICATOR_DATA);
+   SetIndexBuffer(1, BufferSignal, INDICATOR_DATA);
+   ArraySetAsSeries(BufferFisher, false);
+   ArraySetAsSeries(BufferSignal, false);
+
+   if(InpSource == SOURCE_HEIKIN_ASHI)
+     {
+      g_calculator = new CFisherTransformCalculator_HA();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Fisher HA(%d,%.2f)", InpPeriod, InpAlpha));
+     }
+   else
+     {
+      g_calculator = new CFisherTransformCalculator();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Fisher(%d,%.2f)", InpPeriod, InpAlpha));
+     }
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpAlpha))
+     {
+      Print("Failed to initialize Fisher Transform Calculator.");
+      return(INIT_FAILED);
+     }
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, InpPeriod);
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   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&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+
+// CORRECTED: Pass all required price arrays for the HA calculation
+   g_calculator.Calculate(rates_total, open, high, low, close, BufferFisher, BufferSignal);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+