From 73fda307b22f8638d8174fe266d68013a7aac3d0 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Mon, 25 Aug 2025 12:10:30 +0200
Subject: [PATCH] new files added

---
 Indicators/MyIndicators/MFI.mq5 | 198 ++++++++++++++++++++++++++++++++
 1 file changed, 198 insertions(+)
 create mode 100644 Indicators/MyIndicators/MFI.mq5

diff --git a/Indicators/MyIndicators/MFI.mq5 b/Indicators/MyIndicators/MFI.mq5
new file mode 100644
index 0000000..06d429b
--- /dev/null
+++ b/Indicators/MyIndicators/MFI.mq5
@@ -0,0 +1,198 @@
+//+------------------------------------------------------------------+
+//|                                                          MFI.mq5 |
+//|                      Copyright 2025, xxxxxxxx                    |
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property link      ""
+#property version   "2.00" // Added signal line and refactored for stability
+#property description "Money Flow Index with a signal line."
+
+//--- Indicator Window and Plot Properties ---
+#property indicator_separate_window
+#property indicator_buffers 2 // MFI and Signal Line
+#property indicator_plots   2
+#property indicator_maximum 100.0
+#property indicator_minimum 0.0
+#property indicator_level1  20.0
+#property indicator_level2  80.0
+#property indicator_level3  50.0
+#property indicator_levelstyle STYLE_DOT
+
+//--- Plot 1: MFI line
+#property indicator_label1  "MFI"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+//--- Plot 2: Signal line
+#property indicator_label2  "Signal"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrOrangeRed
+#property indicator_style2  STYLE_DOT
+#property indicator_width2  1
+
+//--- Input Parameters ---
+input int                 InpMFIPeriod  = 14;
+input ENUM_APPLIED_VOLUME InpVolumeType = VOLUME_TICK;
+input group               "Signal Line Settings"
+input int                 InpMAPeriod   = 9;
+input ENUM_MA_METHOD      InpMAMethod   = MODE_SMA;
+
+//--- Indicator Buffers ---
+double    BufferMFI[];
+double    BufferSignal[];
+
+//--- Global Variables ---
+int       g_ExtMFIPeriod, g_ExtMAPeriod;
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function.                        |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   g_ExtMFIPeriod = (InpMFIPeriod < 1) ? 1 : InpMFIPeriod;
+   g_ExtMAPeriod  = (InpMAPeriod < 1) ? 1 : InpMAPeriod;
+
+   SetIndexBuffer(0, BufferMFI,    INDICATOR_DATA);
+   SetIndexBuffer(1, BufferSignal, INDICATOR_DATA);
+
+   ArraySetAsSeries(BufferMFI,    false);
+   ArraySetAsSeries(BufferSignal, false);
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, g_ExtMFIPeriod);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, g_ExtMFIPeriod + g_ExtMAPeriod - 1);
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("MFI(%d, %d)", g_ExtMFIPeriod, g_ExtMAPeriod));
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| Money Flow Index calculation function.                           |
+//+------------------------------------------------------------------+
+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[])
+  {
+   int start_pos = g_ExtMFIPeriod + g_ExtMAPeriod;
+   if(rates_total <= start_pos)
+      return(0);
+
+//--- STEP 1: Calculate Typical Price
+   double typical_price[];
+   ArrayResize(typical_price, rates_total);
+   for(int i=0; i<rates_total; i++)
+     {
+      typical_price[i] = (high[i] + low[i] + close[i]) / 3.0;
+     }
+
+//--- STEP 2: Calculate Positive and Negative Money Flow
+   double positive_mf[], negative_mf[];
+   ArrayResize(positive_mf, rates_total);
+   ArrayResize(negative_mf, rates_total);
+   for(int i=1; i<rates_total; i++)
+     {
+      double raw_money_flow = typical_price[i] * ((InpVolumeType == VOLUME_TICK) ? tick_volume[i] : volume[i]);
+
+      if(typical_price[i] > typical_price[i-1])
+        {
+         positive_mf[i] = raw_money_flow;
+        }
+      else
+         if(typical_price[i] < typical_price[i-1])
+           {
+            negative_mf[i] = raw_money_flow;
+           }
+     }
+
+//--- STEP 3: Calculate Money Flow Ratio and MFI using a sliding window sum
+   double sum_pos = 0;
+   double sum_neg = 0;
+   for(int i = 1; i < rates_total; i++)
+     {
+      sum_pos += positive_mf[i];
+      sum_neg += negative_mf[i];
+
+      if(i > g_ExtMFIPeriod)
+        {
+         sum_pos -= positive_mf[i - g_ExtMFIPeriod];
+         sum_neg -= negative_mf[i - g_ExtMFIPeriod];
+        }
+
+      if(i >= g_ExtMFIPeriod)
+        {
+         if(sum_neg > 0)
+           {
+            double money_ratio = sum_pos / sum_neg;
+            BufferMFI[i] = 100.0 - (100.0 / (1.0 + money_ratio));
+           }
+         else
+           {
+            BufferMFI[i] = 100.0;
+           }
+        }
+     }
+
+//--- STEP 4: Calculate the Signal Line (MA of MFI)
+   int ma_start_pos = g_ExtMFIPeriod + g_ExtMAPeriod - 1;
+   for(int i = ma_start_pos; i < rates_total; i++)
+     {
+      switch(InpMAMethod)
+        {
+         case MODE_EMA:
+         case MODE_SMMA:
+            if(i == ma_start_pos)
+              {
+               double sum=0;
+               for(int j=0; j<g_ExtMAPeriod; j++)
+                  sum+=BufferMFI[i-j];
+               BufferSignal[i] = sum/g_ExtMAPeriod;
+              }
+            else
+              {
+               if(InpMAMethod == MODE_EMA)
+                 {
+                  double pr=2.0/(g_ExtMAPeriod+1.0);
+                  BufferSignal[i] = BufferMFI[i]*pr + BufferSignal[i-1]*(1.0-pr);
+                 }
+               else
+                  BufferSignal[i] = (BufferSignal[i-1]*(g_ExtMAPeriod-1)+BufferMFI[i])/g_ExtMAPeriod;
+              }
+            break;
+         case MODE_LWMA:
+           {
+            double lwma_sum=0, weight_sum=0;
+            for(int j=0; j<g_ExtMAPeriod; j++)
+              {
+               int weight=g_ExtMAPeriod-j;
+               lwma_sum+=BufferMFI[i-j]*weight;
+               weight_sum+=weight;
+              }
+            if(weight_sum>0)
+               BufferSignal[i]=lwma_sum/weight_sum;
+           }
+         break;
+         default: // MODE_SMA
+           {
+            double sum=0;
+            for(int j=0; j<g_ExtMAPeriod; j++)
+               sum+=BufferMFI[i-j];
+            BufferSignal[i] = sum/g_ExtMAPeriod;
+           }
+         break;
+        }
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+