diff --git a/Indicators/MyIndicators/Quant/LinReg_R2_MTF_Pro.mq5 b/Indicators/MyIndicators/Quant/LinReg_R2_MTF_Pro.mq5
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+//+------------------------------------------------------------------+
+//|                                            LinReg_R2_MTF_Pro.mq5 |
+//|                                          Copyright 2026, xxxxxxxx|
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2026, xxxxxxxx"
+#property version   "1.00"
+#property description "R-Squared & Slope (Multi-Timeframe)."
+#property description "Measures Trend Quality of higher timeframe."
+
+#property indicator_separate_window
+#property indicator_buffers 4
+#property indicator_plots   2
+
+// Levels for R2
+#property indicator_level1 0.7
+#property indicator_level2 0.3
+#property indicator_levelcolor clrSilver
+#property indicator_levelstyle STYLE_DOT
+#property indicator_maximum 1.0
+#property indicator_minimum 0.0
+
+// Plot 1: R-Squared (Histogram)
+#property indicator_label1  "R2 MTF"
+#property indicator_type1   DRAW_COLOR_HISTOGRAM
+// Colors: Chop(Gray), Weak(Orange), Strong(Lime)
+#property indicator_color1  clrGray, clrOrange, clrLime
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  2
+
+// Plot 2: Slope (Optional Line - Hidden by default usually, but useful)
+// Let's keep it visible or accessible
+#property indicator_label2  "Slope MTF"
+#property indicator_type2   DRAW_NONE // Hidden by default, data window only
+#property indicator_color2  clrGold
+
+#include <MyIncludes\LinearRegression_Calculator.mqh>
+
+//--- Parameters
+input ENUM_TIMEFRAMES   InpTimeframe   = PERIOD_H1;    // Target Timeframe
+input int               InpPeriod      = 20;           // Regression Period
+input double            InpTrendLevel  = 0.7;          // Strong Trend Level (R2)
+
+//--- Buffers
+double BufR2[];
+double BufColors[];
+double BufSlope[];
+double BufForecast[]; // Placeholder for calc
+
+//--- Internal HTF Data
+double h_open[], h_high[], h_low[], h_close[];
+double h_s[], h_r2[], h_f[]; // HTF Results
+datetime h_time[];
+
+CLinearRegressionCalculator *g_calc;
+
+//+------------------------------------------------------------------+
+//| Init                                                             |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   if(InpTimeframe <= Period() && InpTimeframe!=PERIOD_CURRENT)
+      Print("Warning: Target Timeframe should be > Current for proper MTF usage.");
+
+   SetIndexBuffer(0, BufR2, INDICATOR_DATA);
+   SetIndexBuffer(1, BufColors, INDICATOR_COLOR_INDEX);
+   SetIndexBuffer(2, BufSlope, INDICATOR_DATA);
+   SetIndexBuffer(3, BufForecast, INDICATOR_CALCULATIONS);
+
+   string tf_name = StringSubstr(EnumToString(InpTimeframe), 7);
+   string name = StringFormat("R2 MTF %s(%d)", tf_name, InpPeriod);
+   IndicatorSetString(INDICATOR_SHORTNAME, name);
+
+   g_calc = new CLinearRegressionCalculator();
+   if(!g_calc.Init(InpPeriod))
+      return INIT_FAILED;
+
+   return(INIT_SUCCEEDED);
+  }
+
+void OnDeinit(const int r) { if(CheckPointer(g_calc)==POINTER_DYNAMIC) delete g_calc; }
+
+//+------------------------------------------------------------------+
+//| Calculate                                                        |
+//+------------------------------------------------------------------+
+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[])
+  {
+// 1. Fetch HTF Data
+   int htf_bars = iBars(_Symbol, InpTimeframe);
+   if(htf_bars < InpPeriod + 1)
+      return 0;
+
+   int count = MathMin(htf_bars, 3000);
+
+// Set to Non-Series (Chronological)
+   ArraySetAsSeries(h_time, false);
+   ArraySetAsSeries(h_open, false);
+   ArraySetAsSeries(h_high, false);
+   ArraySetAsSeries(h_low, false);
+   ArraySetAsSeries(h_close, false);
+
+   if(CopyTime(_Symbol, InpTimeframe, 0, count, h_time) != count)
+      return 0;
+   if(CopyOpen(_Symbol, InpTimeframe, 0, count, h_open) != count)
+      return 0;
+   if(CopyHigh(_Symbol, InpTimeframe, 0, count, h_high) != count)
+      return 0;
+   if(CopyLow(_Symbol, InpTimeframe, 0, count, h_low) != count)
+      return 0;
+   if(CopyClose(_Symbol, InpTimeframe, 0, count, h_close) != count)
+      return 0;
+
+// 2. Calc on HTF
+   if(ArraySize(h_s) != count)
+     {
+      ArrayResize(h_s, count);
+      ArrayResize(h_r2, count);
+      ArrayResize(h_f, count);
+     }
+
+// Running Calculator on HTF Arrays
+// Note: CalcState expects OHLC
+   g_calc.CalculateState(count, 0, h_open, h_high, h_low, h_close, PRICE_CLOSE, h_s, h_r2, h_f);
+
+// 3. Map to Current Chart
+   int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
+
+   for(int i = start; i < rates_total; i++)
+     {
+      datetime t = time[i];
+      int shift_htf = iBarShift(_Symbol, InpTimeframe, t, false);
+
+      if(shift_htf >= 0)
+        {
+         int idx_htf = count - 1 - shift_htf;
+
+         if(idx_htf >= 0 && idx_htf < count)
+           {
+            double r2 = h_r2[idx_htf];
+            double sl = h_s[idx_htf];
+
+            BufR2[i] = r2;
+            BufSlope[i] = sl;
+
+            // Color Logic
+            if(r2 >= InpTrendLevel)
+               BufColors[i] = 2.0; // Lime (Strong)
+            else
+               if(r2 <= 0.3)
+                  BufColors[i] = 0.0; // Gray (Chop)
+               else
+                  BufColors[i] = 1.0; // Orange (Weak)
+           }
+         else
+           {
+            BufR2[i] = EMPTY_VALUE;
+            BufSlope[i] = EMPTY_VALUE;
+           }
+        }
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+