diff --git a/Include/MyIncludes/Cyber_Cycle_Calculator.mqh b/Include/MyIncludes/Cyber_Cycle_Calculator.mqh
index d81993f..ae37d43 100644
--- a/Include/MyIncludes/Cyber_Cycle_Calculator.mqh
+++ b/Include/MyIncludes/Cyber_Cycle_Calculator.mqh
@@ -1,10 +1,12 @@
 //+------------------------------------------------------------------+
 //|                                        Cyber_Cycle_Calculator.mqh|
-//|      Calculation engine for the John Ehlers' Cyber Cycle.        |
-//|      VERSION 3.00: Added flexible Signal Line support.           |
-//|                                        Copyright 2026, xxxxxxxx  |
+//|                                          Copyright 2026, xxxxxxxx|
 //+------------------------------------------------------------------+
 #property copyright "Copyright 2026, xxxxxxxx"
+#property version   "3.05" // Coerced internal array direction safety on resize actions
+
+#ifndef CYBER_CYCLE_CALCULATOR_MQH
+#define CYBER_CYCLE_CALCULATOR_MQH
 
 #include <MyIncludes\HeikinAshi_Tools.mqh>
 #include <MyIncludes\MovingAverage_Engine.mqh>
@@ -37,7 +39,6 @@ protected:
    double            m_smooth[]; // Pre-smoothing buffer
    double            m_cycle[];  // Internal cycle buffer
 
-   //--- Updated: Accepts start_index
    virtual bool      PreparePriceSeries(int rates_total, int start_index, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[]);
 
 public:
@@ -83,7 +84,7 @@ bool CCyberCycleCalculator::Init(double alpha, ENUM_CYBER_SIGNAL_TYPE sig_type,
 
    if(m_signal_type == SIGNAL_MA)
      {
-      if(!m_signal_engine.Init(m_signal_period, m_signal_method))
+      if(CheckPointer(m_signal_engine) == POINTER_INVALID || !m_signal_engine.Init(m_signal_period, m_signal_method))
          return false;
      }
    return true;
@@ -101,7 +102,10 @@ void CCyberCycleCalculator::Calculate(int rates_total, int prev_calculated, ENUM
    int start_index = (prev_calculated == 0) ? 0 : prev_calculated - 1;
 
    if(ArraySize(m_price) != rates_total)
+     {
       ArrayResize(m_price, rates_total);
+      ArraySetAsSeries(m_price, false);
+     }
 
    if(!PreparePriceSeries(rates_total, start_index, price_type, open, high, low, close))
       return;
@@ -120,25 +124,27 @@ void CCyberCycleCalculator::CalculateOnArray(int rates_total, int prev_calculate
 
    int start_index = (prev_calculated == 0) ? 0 : prev_calculated - 1;
 
-// Resize internal buffers
+// Resize internal buffers and ensure strict chronological indexing
    if(ArraySize(m_smooth) != rates_total)
      {
       ArrayResize(m_smooth, rates_total);
       ArrayResize(m_cycle, rates_total);
+      ArraySetAsSeries(m_smooth, false);
+      ArraySetAsSeries(m_cycle, false);
      }
 
 // Main Loop
    int loop_start = MathMax(6, start_index);
 
-// Initialization
+// Explicitly zero-initialize historical indices 0 to 5 to avoid trash values in the terminal data window
    if(loop_start == 6)
      {
       for(int k=0; k<6; k++)
         {
          m_smooth[k] = src_buffer[k];
-         m_cycle[k] = 0;
-         cycle_out[k] = 0;
-         // Signal init handled later or by engine
+         m_cycle[k] = 0.0;
+         cycle_out[k] = 0.0;
+         signal_out[k] = 0.0;
         }
      }
 
@@ -158,7 +164,7 @@ void CCyberCycleCalculator::CalculateOnArray(int rates_total, int prev_calculate
       cycle_out[i] = m_cycle[i];
      }
 
-// Step 3: Signal Line
+// Step 3: Signal Line calculation based on structural selections
    if(m_signal_type == SIGNAL_DELAY_1BAR)
      {
       for(int i = loop_start; i < rates_total; i++)
@@ -166,9 +172,11 @@ void CCyberCycleCalculator::CalculateOnArray(int rates_total, int prev_calculate
      }
    else // SIGNAL_MA
      {
-      // Use MA Engine on the Cycle Line
-      // Offset: Cyber Cycle needs ~6 bars to start, so offset 6 is safe
-      m_signal_engine.CalculateOnArray(rates_total, prev_calculated, m_cycle, signal_out, 6);
+      // Use MA Engine on the Cycle Line starting from safe offset boundary 6
+      if(CheckPointer(m_signal_engine) != POINTER_INVALID)
+        {
+         m_signal_engine.CalculateOnArray(rates_total, prev_calculated, m_cycle, signal_out, 6);
+        }
      }
   }
 
@@ -200,7 +208,7 @@ bool CCyberCycleCalculator::PreparePriceSeries(int rates_total, int start_index,
             m_price[i] = (high[i] + low[i] + close[i]) / 3.0;
             break;
          case PRICE_WEIGHTED:
-            m_price[i] = (high[i] + low[i] + 2 * close[i]) / 4.0;
+            m_price[i] = (high[i] + low[i] + 2.0 * close[i]) / 4.0;
             break;
          default:
             m_price[i] = (high[i] + low[i]) / 2.0;
@@ -234,6 +242,11 @@ bool CCyberCycleCalculator_HA::PreparePriceSeries(int rates_total, int start_ind
       ArrayResize(m_ha_high, rates_total);
       ArrayResize(m_ha_low, rates_total);
       ArrayResize(m_ha_close, rates_total);
+
+      ArraySetAsSeries(m_ha_open, false);
+      ArraySetAsSeries(m_ha_high, false);
+      ArraySetAsSeries(m_ha_low, false);
+      ArraySetAsSeries(m_ha_close, false);
      }
 
    m_ha_calculator.Calculate(rates_total, start_index, open, high, low, close,
@@ -262,7 +275,7 @@ bool CCyberCycleCalculator_HA::PreparePriceSeries(int rates_total, int start_ind
             m_price[i] = (m_ha_high[i] + m_ha_low[i] + m_ha_close[i]) / 3.0;
             break;
          case PRICE_WEIGHTED:
-            m_price[i] = (m_ha_high[i] + m_ha_low[i] + 2 * m_ha_close[i]) / 4.0;
+            m_price[i] = (m_ha_high[i] + m_ha_low[i] + 2.0 * m_ha_close[i]) / 4.0;
             break;
          default:
             m_price[i] = (m_ha_high[i] + m_ha_low[i]) / 2.0;
@@ -271,4 +284,6 @@ bool CCyberCycleCalculator_HA::PreparePriceSeries(int rates_total, int start_ind
      }
    return true;
   }
+
+#endif // CYBER_CYCLE_CALCULATOR_MQH
 //+------------------------------------------------------------------+