Add gitignore

2026-08-23 07:38:15 +00:00 · 2021-11-14 05:50:50 +01:00
parent 407a205132
commit f1729bf7fe
333 changed files with 217876 additions and 400 deletions
@@ -0,0 +1,62 @@
+//+------------------------------------------------------------------+
+//|                                                 A_LotSizeCal.mqh |
+//|                        Copyright 2021, Nkondog Anselme Venceslas |
+//|                                             https://www.mql5.com |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2021, Nkondog Anselme Venceslas"
+#property link      "https://www.mql5.com"
+
+//Lot Size Calculator
+void LotSizeCalculate(double SL=0)
+  {
+//If the position size is dynamic
+   if(RiskDefaultSize==RISK_DEFAULT_AUTO)
+     {
+      //If the stop loss is not zero then calculate the lot size
+      if(SL!=0)
+        {
+         double RiskBaseAmount=0;
+         //TickValue is the value of the individual price increment for 1 lot of the instrument, expressed in the account currenty
+         TickValue=SymbolInfoDouble(Symb,SYMBOL_TRADE_TICK_VALUE);
+         //Define the base for the risk calculation depending on the parameter chosen
+         if(RiskBase==RISK_BASE_BALANCE)
+            RiskBaseAmount=AccountInfoDouble(ACCOUNT_BALANCE);
+         if(RiskBase==RISK_BASE_EQUITY)
+            RiskBaseAmount=AccountInfoDouble(ACCOUNT_EQUITY);
+         if(RiskBase==RISK_BASE_FREEMARGIN)
+            RiskBaseAmount=AccountInfoDouble(ACCOUNT_FREEMARGIN);
+         //Calculate the Position Size
+         Print("Multiplier ", lotMultiplier, "Before lot multiplier ", (RiskBaseAmount*MaxRiskPerTrade/100)/(SL*TickValue));
+         Print("RiskBaseAmount ", RiskBaseAmount, " MaxRiskPerTrade ", MaxRiskPerTrade, "Stop loss ", SL, " TickValue ", TickValue);
+
+         LotSize=((RiskBaseAmount*MaxRiskPerTrade/100)/(SL*TickValue));
+         
+         Print("After lot multiplier ", LotSize, " Lot multiplier ", lotMultiplier);
+         if(ActiveMartingale)
+           {
+            LotSize = LotSize * lotMultiplier;
+           }
+        }
+      //If the stop loss is zero then the lot size is the default one
+      if(SL==0)
+        {
+         LotSize=DefaultLotSize;
+        }
+     }
+//Normalize the Lot Size to satisfy the allowed lot increment and minimum and maximum position size
+   LotSize=MathFloor(LotSize/SymbolInfoDouble(Symb,SYMBOL_VOLUME_STEP))*SymbolInfoDouble(Symb,SYMBOL_VOLUME_STEP);
+
+//Limit the lot size in case it is greater than the maximum allowed by the user
+   if(LotSize>MaxLotSize)
+      LotSize=MaxLotSize;
+//Limit the lot size in case it is greater than the maximum allowed by the broker
+   if(LotSize>SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX))
+      LotSize=SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX);
+      Print("Lot ", LotSize, " Max lot ", SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX));
+//If the lot size is too small then set it to 0 and don't trade
+   if(LotSize < SymbolInfoDouble(Symb,SYMBOL_VOLUME_MIN)) 
+   {
+      LotSize=0;
+      Print("Lot size too small");
+   }
+  }