diff --git a/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5 b/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5
index fac3039..e395b41 100644
--- a/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5
+++ b/Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.mq5
@@ -1,9 +1,9 @@
 //+------------------------------------------------------------------+
 //|                                              ZeroLag_EMA_Pro.mq5 |
-//|                                          Copyright 2025, xxxxxxxx|
+//|                                          Copyright 2026, xxxxxxxx|
 //+------------------------------------------------------------------+
-#property copyright "Copyright 2025, xxxxxxxx"
-#property version   "2.00" // Optimized for incremental calculation
+#property copyright "Copyright 2026, xxxxxxxx"
+#property version   "2.10" // Upgraded with strict chronological sorting safeguards and pointer guards
 #property description "Zero-Lag Exponential Moving Average (ZLEMA). Supports standard"
 #property description "and Ehlers' optimized gain (Error Correcting) modes."
 
@@ -14,16 +14,18 @@
 #property indicator_type1   DRAW_LINE
 #property indicator_color1  clrMediumTurquoise
 #property indicator_style1  STYLE_SOLID
-#property indicator_width1  2
+#property indicator_width1  1
 
 #include <MyIncludes\ZeroLag_EMA_Calculator.mqh>
 
 //--- Input Parameters ---
-input int                       InpPeriod       = 20;    // EMA Period
-input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD;
-input group "Advanced Settings"
-input bool                      InpOptimizeGain = false; // Use Ehlers' Error Correcting (slower)
-input double                    InpGainLimit    = 5.0;   // Gain Limit for optimization (e.g., 5.0 = +/- 50 steps)
+input group                     "ZLEMA Settings"
+input int                       InpPeriod       = 20;              // EMA Period
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD; // Price Source
+
+input group                     "Advanced Settings"
+input bool                      InpOptimizeGain = false;           // Use Ehlers' Error Correcting (slower)
+input double                    InpGainLimit    = 5.0;             // Gain Limit for optimization (e.g., 5.0 = +/- 50 steps)
 
 //--- Indicator Buffers ---
 double    BufferZLEMA[];
@@ -68,19 +70,35 @@ void OnDeinit(const int reason)
   }
 
 //+------------------------------------------------------------------+
-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&[])
+int OnCalculate(const int rates_total,
+                const int prev_calculated,
+                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(rates_total < InpPeriod * 2)
+      return(0);
+
    if(CheckPointer(g_calculator) == POINTER_INVALID)
       return 0;
 
-   ENUM_APPLIED_PRICE price_type;
-   if(InpSourcePrice <= PRICE_HA_CLOSE)
-      price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
-   else
-      price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
+//--- Force strict chronological indexing for state-safety on input price arrays
+   ArraySetAsSeries(time,  false);
+   ArraySetAsSeries(open,  false);
+   ArraySetAsSeries(high,  false);
+   ArraySetAsSeries(low,   false);
+   ArraySetAsSeries(close, false);
+
+   ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ?
+                                   (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) :
+                                   (ENUM_APPLIED_PRICE)InpSourcePrice;
 
    g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferZLEMA);
    return(rates_total);
   }
 //+------------------------------------------------------------------+
-//+------------------------------------------------------------------+