diff --git a/Indicators/MyIndicators/RSI_PercentB.mq5 b/Indicators/MyIndicators/RSI_PercentB.mq5
new file mode 100644
index 0000000..3cf34b1
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+++ b/Indicators/MyIndicators/RSI_PercentB.mq5
@@ -0,0 +1,148 @@
+//+------------------------------------------------------------------+
+//|                                                RSI_PercentB.mq5  |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.10"
+#property description "RSI %B. Shows the position of the RSI line relative to its Bollinger Bands."
+#property description "Includes a full range of standard and Heikin Ashi price sources."
+
+#property indicator_separate_window
+#property indicator_buffers 1
+#property indicator_plots   1
+#property indicator_level1 0.0
+#property indicator_level2 0.5
+#property indicator_level3 1.0
+#property indicator_levelstyle STYLE_DOT
+
+#include <MyIncludes\RSI_Pro_Calculator.mqh>
+
+//--- Plot 1: %B Line
+#property indicator_label1  "RSI %B"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrMediumPurple
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+//--- Custom Enum for Price Source, including Heikin Ashi
+enum ENUM_APPLIED_PRICE_HA_ALL
+  {
+//--- Heikin Ashi Prices
+   PRICE_HA_CLOSE = -1,
+   PRICE_HA_OPEN = -2,
+   PRICE_HA_HIGH = -3,
+   PRICE_HA_LOW = -4,
+   PRICE_HA_MEDIAN = -5,
+   PRICE_HA_TYPICAL = -6,
+   PRICE_HA_WEIGHTED = -7,
+//--- Standard Prices
+   PRICE_CLOSE_STD = PRICE_CLOSE,
+   PRICE_OPEN_STD = PRICE_OPEN,
+   PRICE_HIGH_STD = PRICE_HIGH,
+   PRICE_LOW_STD = PRICE_LOW,
+   PRICE_MEDIAN_STD = PRICE_MEDIAN,
+   PRICE_TYPICAL_STD = PRICE_TYPICAL,
+   PRICE_WEIGHTED_STD = PRICE_WEIGHTED
+  };
+
+//--- Input Parameters ---
+input group "RSI Settings"
+input int                      InpPeriodRSI    = 14;
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD;
+
+input group "Bollinger Bands Settings"
+input int                InpPeriodMA     = 20;
+input ENUM_MA_METHOD     InpMethodMA     = MODE_SMA;
+input double             InpBandsDev     = 2.0;
+
+//--- Indicator Buffers ---
+double    BufferPercentB[];
+
+//--- Global calculator object ---
+CRSIProCalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function.                        |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferPercentB, INDICATOR_DATA);
+   ArraySetAsSeries(BufferPercentB, false);
+
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+     {
+      g_calculator = new CRSIProCalculator_HA();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSI %%B HA(%d, %d)", InpPeriodRSI, InpPeriodMA));
+     }
+   else
+     {
+      g_calculator = new CRSIProCalculator();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSI %%B(%d, %d)", InpPeriodRSI, InpPeriodMA));
+     }
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID ||
+      !g_calculator.Init(InpPeriodRSI, InpPeriodMA, InpMethodMA, InpBandsDev))
+     {
+      Print("Failed to initialize RSI Pro Calculator.");
+      return(INIT_FAILED);
+     }
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriodRSI + InpPeriodMA - 1);
+   IndicatorSetInteger(INDICATOR_DIGITS, 3);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| Custom indicator deinitialization function.                      |
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_calculator) != POINTER_INVALID)
+      delete g_calculator;
+  }
+
+//+------------------------------------------------------------------+
+//| Custom indicator iteration 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&[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+
+//--- Step 1: Run the main calculation to get all RSI Pro components
+   double rsi_buffer[], ma_buffer[], upper_band[], lower_band[];
+   ArrayResize(rsi_buffer, rates_total);
+   ArrayResize(ma_buffer, rates_total);
+   ArrayResize(upper_band, rates_total);
+   ArrayResize(lower_band, rates_total);
+
+   ENUM_APPLIED_PRICE price_type;
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+      price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
+   else
+      price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
+
+   g_calculator.Calculate(rates_total, price_type, open, high, low, close,
+                          rsi_buffer, ma_buffer, upper_band, lower_band);
+
+//--- Step 2: Calculate the final %B value
+   int start_pos = InpPeriodRSI + InpPeriodMA - 1;
+   for(int i = start_pos; i < rates_total; i++)
+     {
+      double band_width = upper_band[i] - lower_band[i];
+      if(band_width != 0)
+        {
+         BufferPercentB[i] = (rsi_buffer[i] - lower_band[i]) / band_width;
+        }
+      else
+        {
+         BufferPercentB[i] = 0.5;
+        }
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+