diff --git a/Indicators/MyIndicators/Vortex_Pro.mq5 b/Indicators/MyIndicators/Vortex_Pro.mq5
index 50cd7de..5e05c60 100644
--- a/Indicators/MyIndicators/Vortex_Pro.mq5
+++ b/Indicators/MyIndicators/Vortex_Pro.mq5
@@ -1,11 +1,9 @@
 //+------------------------------------------------------------------+
 //|                                                   Vortex_Pro.mq5 |
 //|                                          Copyright 2025, xxxxxxxx|
-//|                                                                  |
 //+------------------------------------------------------------------+
 #property copyright "Copyright 2025, xxxxxxxx"
-#property link      ""
-#property version   "1.00"
+#property version   "2.00" // Optimized for incremental calculation
 #property description "Vortex Indicator (VI) with selectable"
 #property description "candle source (Standard or Heikin Ashi)."
 
@@ -48,11 +46,9 @@ input ENUM_CANDLE_SOURCE InpCandleSource = CANDLE_STANDARD;
 double    BufferVI_Plus[];
 double    BufferVI_Minus[];
 
-//--- Global calculator object (as a base class pointer) ---
+//--- Global calculator object ---
 CVortexCalculator *g_calculator;
 
-//+------------------------------------------------------------------+
-//| Custom indicator initialization function.                        |
 //+------------------------------------------------------------------+
 int OnInit()
   {
@@ -67,7 +63,7 @@ int OnInit()
          g_calculator = new CVortexCalculator_HA();
          IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Vortex HA(%d)", InpPeriod));
          break;
-      default: // CANDLE_STANDARD
+      default:
          g_calculator = new CVortexCalculator();
          IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Vortex(%d)", InpPeriod));
          break;
@@ -86,8 +82,6 @@ int OnInit()
    return(INIT_SUCCEEDED);
   }
 
-//+------------------------------------------------------------------+
-//| Custom indicator deinitialization function.                      |
 //+------------------------------------------------------------------+
 void OnDeinit(const int reason)
   {
@@ -96,13 +90,14 @@ void OnDeinit(const int reason)
   }
 
 //+------------------------------------------------------------------+
-//| Custom indicator calculation function.                           |
-//+------------------------------------------------------------------+
-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&[])
+int OnCalculate(const int rates_total, const int prev_calculated, 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;
-   g_calculator.Calculate(rates_total, open, high, low, close, BufferVI_Plus, BufferVI_Minus);
+
+// Delegate calculation with incremental optimization
+   g_calculator.Calculate(rates_total, prev_calculated, open, high, low, close, BufferVI_Plus, BufferVI_Minus);
+
    return(rates_total);
   }
 //+------------------------------------------------------------------+