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https://github.com/rithsila/MT5-EA-Sniper-Strategy.git
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Created the5ers risk calculator
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Nkondog Anselme
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//+------------------------------------------------------------------+
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//| StarRiskCalculator.mq5 |
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//| Copyright 2022, Nkondog Anselme Venceslas. |
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//| https://www.linkedin.com/in/nkondog |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2022, Nkondog Anselme Venceslas."
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#property link "https://www.linkedin.com/in/nkondog"
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#property version "1.00"
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//Parameters
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MqlTick last_tick;
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//Enumerative for the base used for risk calculation
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enum ENUM_RISK_BASE
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{
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RISK_BASE_EQUITY=1, //EQUITY
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RISK_BASE_BALANCE=2, //BALANCE
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RISK_BASE_FREEMARGIN=3, //FREE MARGIN
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RISK_BASE_INPUT=4, //INPUT BASE
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};
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//Enumerative for the default risk size
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enum ENUM_RISK_DEFAULT_SIZE
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{
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RISK_DEFAULT_FIXED=1, //FIXED SIZE
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RISK_DEFAULT_AUTO=2, //AUTOMATIC SIZE BASED ON RISK
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};
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input ENUM_RISK_DEFAULT_SIZE InpRiskDefaultSize=RISK_DEFAULT_AUTO; //Position Size Mode
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input double InpBalance=10000.0; //Balance
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input double InpMaxLossPercent=4.0; //Max Account Risk %
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input int InpLifeCount=20; //Number of losses
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double InpDefaultLotSize=0.01; //Position Size (if fixed or if no stop loss defined)
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input ENUM_RISK_BASE InpRiskBase=RISK_BASE_BALANCE; //Risk Base
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//input double InpMaxRiskPerTrade=0.5; //Percentage To Risk Each Trade
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double InpMinLotSize=0.01; //Minimum Position Size Allowed
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double InpMaxLotSize=100; //Maximum Position Size Allowed
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double RiskBaseAmount=0;
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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string Symb = Symbol();
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string AccountCurr = AccountInfoString(ACCOUNT_CURRENCY);
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double MaxRiskPerTrade=0.0; //Percentage To Risk Each Trade
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double LotSize=InpDefaultLotSize;
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double price=0.0;
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double risk=0.0;
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double StoplossPips=0.0;
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double riskDiff=0.0;
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double initialLoss=0.0;
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double totalLoss=0.0;
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double maxRiskPerLife=0.0;
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//TickValue is the value of the individual price increment for 1 lot of the instrument, expressed in the account currenty
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double TickValue=SymbolInfoDouble(Symb,SYMBOL_TRADE_TICK_VALUE);
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//+------------------------------------------------------------------+
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//| Expert initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//---
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Print("The Expert Advisor with name ",MQLInfoString(MQL_PROGRAM_NAME)," is running");
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//--- enable object create events
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ChartSetInteger(ChartID(),CHART_EVENT_OBJECT_CREATE,true);
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//--- enable object delete events
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ChartSetInteger(ChartID(),CHART_EVENT_OBJECT_DELETE,true);
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//---
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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LotSizeCalculate(price);
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riskDiff = NormalizeDouble(RiskBaseAmount - InpBalance, 2);
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initialLoss = (InpBalance * InpMaxLossPercent) / 100;
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totalLoss = NormalizeDouble(riskDiff + initialLoss, 2);
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maxRiskPerLife = NormalizeDouble(totalLoss /InpLifeCount, 2);
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MaxRiskPerTrade = NormalizeDouble((maxRiskPerLife * 100) / RiskBaseAmount, 2);
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Comment("Star Risk Calculator \nRiskDiff: " + riskDiff + " " + AccountCurr +"\nInitialLoss: " + initialLoss + " " + AccountCurr +"\nTotalLoss: " + totalLoss + " " + AccountCurr +"\nMaxRiskPerLife: " + maxRiskPerLife + " " + AccountCurr + "\nMaxRiskPerTrade: " + MaxRiskPerTrade +"%");
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double StopAmount = StoplossPips * LotSize * TickValue;
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string text ="Lot size for "+ MaxRiskPerTrade +"% = " + DoubleToString(LotSize,2) + " lot (" + NormalizeDouble(StopAmount, 2) + " " + AccountCurr + ")";
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string name = "Lot";
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string name2 = "risk";
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ObjectCreate(0, name, OBJ_LABEL, 0, 0, 0);
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//ObjectSetText(name,text, 36, "Corbel Bold", YellowGreen);
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ObjectSetInteger(0,name, OBJPROP_CORNER, CORNER_RIGHT_UPPER);
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ObjectSetInteger(0,name, OBJPROP_XDISTANCE, 550);
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ObjectSetInteger(0,name, OBJPROP_YDISTANCE, 10);
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ObjectSetString(0,name,OBJPROP_TEXT,text);
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ObjectSetString(0,name,OBJPROP_FONT,"Arial");
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ObjectSetInteger(0,name,OBJPROP_FONTSIZE,14);
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ObjectSetInteger(0,name,OBJPROP_COLOR,clrYellowGreen);
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//LabelDelete(0, name);
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}
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//+------------------------------------------------------------------+
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//| ChartEvent function |
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//+------------------------------------------------------------------+
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void OnChartEvent(const int id, // Event identifier
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const long& lparam, // Event parameter of long type
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const double& dparam, // Event parameter of double type
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const string& sparam) // Event parameter of string type
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{
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//--- the object has been deleted
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if(id==CHARTEVENT_OBJECT_DELETE)
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{
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Print("The object with name ",sparam," has been deleted");
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}
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//--- the object has been created
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if(id==CHARTEVENT_OBJECT_CREATE)
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{
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Print("The object with name ",sparam," has been created");
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}
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//--- the object has been moved or its anchor point coordinates has been changed
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if(id==CHARTEVENT_OBJECT_DRAG)
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{
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price = ObjectGetDouble(0, sparam, OBJPROP_PRICE, 0);
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Print("The anchor point coordinates of the object with name ",sparam," has been changed. Price ", price);
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}
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}
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//Lot Size Calculator
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void LotSizeCalculate(double stopLoss)
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{
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SymbolInfoTick(_Symbol,last_tick);
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double SL=0;
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double PriceAsk=last_tick.ask;
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double PriceBid=last_tick.bid;
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if(stopLoss < PriceAsk)
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{
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SL = (PriceAsk-stopLoss)/_Point;
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}
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if(stopLoss > PriceAsk)
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{
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SL = (stopLoss-PriceBid)/_Point;
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}
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Print("Stop loss distance ", SL);
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//If the position size is dynamic
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if(InpRiskDefaultSize==RISK_DEFAULT_AUTO)
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{
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//If the stop loss is not zero then calculate the lot size
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if(SL!=0)
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{
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//Define the base for the risk calculation depending on the parameter chosen
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if(InpRiskBase==RISK_BASE_BALANCE)
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RiskBaseAmount=AccountInfoDouble(ACCOUNT_BALANCE);
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if(InpRiskBase==RISK_BASE_EQUITY)
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RiskBaseAmount=AccountInfoDouble(ACCOUNT_EQUITY);
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if(InpRiskBase==RISK_BASE_FREEMARGIN)
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RiskBaseAmount=AccountInfoDouble(ACCOUNT_FREEMARGIN);
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if(InpRiskBase==RISK_BASE_INPUT)
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RiskBaseAmount=InpBalance;
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//Calculate the Position Size
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//Print("RiskBaseAmount ", RiskBaseAmount, " MaxRiskPerTrade ", InpMaxRiskPerTrade, "Stop loss ", SL, " TickValue ", TickValue);
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LotSize=((RiskBaseAmount*MaxRiskPerTrade/100)/(SL*TickValue));
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StoplossPips = SL;
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}
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//If the stop loss is zero then the lot size is the default one
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if(SL==0)
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{
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LotSize=InpDefaultLotSize;
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}
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}
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//Normalize the Lot Size to satisfy the allowed lot increment and minimum and maximum position size
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LotSize=MathFloor(LotSize/SymbolInfoDouble(Symb,SYMBOL_VOLUME_STEP))*SymbolInfoDouble(Symb,SYMBOL_VOLUME_STEP);
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//Limit the lot size in case it is greater than the maximum allowed by the user
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if(LotSize>InpMaxLotSize)
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LotSize=InpMaxLotSize;
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//Limit the lot size in case it is greater than the maximum allowed by the broker
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if(LotSize>SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX))
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LotSize=SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX);
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Print("Lot ", LotSize, " Max lot ", SymbolInfoDouble(Symb,SYMBOL_VOLUME_MAX));
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//If the lot size is too small then set it to 0 and don't trade
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if(LotSize < SymbolInfoDouble(Symb,SYMBOL_VOLUME_MIN))
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{
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LotSize=0;
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Print("Lot size too small");
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}
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//| Delete a text label |
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//+------------------------------------------------------------------+
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bool LabelDelete(const long chart_ID=0, // chart's ID
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const string name="Label") // label name
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{
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//--- reset the error value
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ResetLastError();
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//--- delete the label
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if(!ObjectDelete(chart_ID,name))
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{
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Print(__FUNCTION__,
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": failed to delete a text label! Error code = ",GetLastError());
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return(false);
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}
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//--- successful execution
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return(true);
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}
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