diff --git a/Include/MyIncludes/CMO_Calculator.mqh b/Include/MyIncludes/CMO_Calculator.mqh
new file mode 100644
index 0000000..285824d
--- /dev/null
+++ b/Include/MyIncludes/CMO_Calculator.mqh
@@ -0,0 +1,166 @@
+//+------------------------------------------------------------------+
+//|                                               CMO_Calculator.mqh |
+//|          Calculation engine for Standard and Heikin Ashi CMO.    |
+//|                                        Copyright 2025, xxxxxxxx  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+
+#include <MyIncludes\HeikinAshi_Tools.mqh>
+
+//+==================================================================+
+//|                                                                  |
+//|               CLASS 1: CCMOCalculator (Base Class)               |
+//|                                                                  |
+//+==================================================================+
+class CCMOCalculator
+  {
+protected:
+   int               m_cmo_period;
+   double            m_price[];
+
+   virtual bool      PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]);
+
+public:
+                     CCMOCalculator(void) {};
+   virtual          ~CCMOCalculator(void) {};
+
+   bool              Init(int cmo_p);
+   void              Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &cmo_buffer[]);
+  };
+
+//+------------------------------------------------------------------+
+//| CCMOCalculator: Initialization                                   |
+//+------------------------------------------------------------------+
+bool CCMOCalculator::Init(int cmo_p)
+  {
+   m_cmo_period = (cmo_p < 1) ? 1 : cmo_p;
+   return true;
+  }
+
+//+------------------------------------------------------------------+
+//| CCMOCalculator: Main Calculation Method (Shared Logic)           |
+//+------------------------------------------------------------------+
+void CCMOCalculator::Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &cmo_buffer[])
+  {
+   if(rates_total <= m_cmo_period)
+      return;
+   if(!PreparePriceSeries(rates_total, price_type, open, high, low, close))
+      return;
+
+   for(int i = m_cmo_period; i < rates_total; i++)
+     {
+      double sum_up = 0.0, sum_down = 0.0;
+      for(int j = 0; j < m_cmo_period; j++)
+        {
+         double diff = m_price[i - j] - m_price[i - j - 1];
+         if(diff > 0.0)
+            sum_up += diff;
+         else
+            sum_down += (-diff);
+        }
+
+      double total_sum = sum_up + sum_down;
+      if(total_sum == 0.0)
+         cmo_buffer[i] = 0.0;
+      else
+         cmo_buffer[i] = 100.0 * (sum_up - sum_down) / total_sum;
+     }
+  }
+
+//+------------------------------------------------------------------+
+//| CCMOCalculator: Prepares the standard source price.              |
+//+------------------------------------------------------------------+
+bool CCMOCalculator::PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
+  {
+   ArrayResize(m_price, rates_total);
+   switch(price_type)
+     {
+      case PRICE_CLOSE:
+         ArrayCopy(m_price, close, 0, 0, rates_total);
+         break;
+      case PRICE_OPEN:
+         ArrayCopy(m_price, open, 0, 0, rates_total);
+         break;
+      case PRICE_HIGH:
+         ArrayCopy(m_price, high, 0, 0, rates_total);
+         break;
+      case PRICE_LOW:
+         ArrayCopy(m_price, low, 0, 0, rates_total);
+         break;
+      case PRICE_MEDIAN:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i])/2.0;
+         break;
+      case PRICE_TYPICAL:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i]+close[i])/3.0;
+         break;
+      case PRICE_WEIGHTED:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (high[i]+low[i]+close[i]+close[i])/4.0;
+         break;
+      default:
+         return false;
+     }
+   return true;
+  }
+
+//+==================================================================+
+//|                                                                  |
+//|             CLASS 2: CCMOCalculator_HA (Heikin Ashi)             |
+//|                                                                  |
+//+==================================================================+
+class CCMOCalculator_HA : public CCMOCalculator
+  {
+private:
+   CHeikinAshi_Calculator m_ha_calculator;
+protected:
+   virtual bool      PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]) override;
+  };
+
+//+------------------------------------------------------------------+
+//| CCMOCalculator_HA: Prepares the HA source price.                 |
+//+------------------------------------------------------------------+
+bool CCMOCalculator_HA::PreparePriceSeries(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[])
+  {
+   double ha_open[], ha_high[], ha_low[], ha_close[];
+   ArrayResize(ha_open, rates_total);
+   ArrayResize(ha_high, rates_total);
+   ArrayResize(ha_low, rates_total);
+   ArrayResize(ha_close, rates_total);
+   m_ha_calculator.Calculate(rates_total, open, high, low, close, ha_open, ha_high, ha_low, ha_close);
+
+   ArrayResize(m_price, rates_total);
+   switch(price_type)
+     {
+      case PRICE_CLOSE:
+         ArrayCopy(m_price, ha_close, 0, 0, rates_total);
+         break;
+      case PRICE_OPEN:
+         ArrayCopy(m_price, ha_open, 0, 0, rates_total);
+         break;
+      case PRICE_HIGH:
+         ArrayCopy(m_price, ha_high, 0, 0, rates_total);
+         break;
+      case PRICE_LOW:
+         ArrayCopy(m_price, ha_low, 0, 0, rates_total);
+         break;
+      case PRICE_MEDIAN:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i])/2.0;
+         break;
+      case PRICE_TYPICAL:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i]+ha_close[i])/3.0;
+         break;
+      case PRICE_WEIGHTED:
+         for(int i=0; i<rates_total; i++)
+            m_price[i] = (ha_high[i]+ha_low[i]+ha_close[i]+ha_close[i])/4.0;
+         break;
+      default:
+         return false;
+     }
+   return true;
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+