MetaTrader4
Unlocking the AK-47 Scalper EA: Your Ultimate MetaTrader 4 Companion
1. Input Parameters
#define ExtBotName "AK-47 Scalper EA" //Bot Name
#define Version "1.00"
//--- input parameters
extern string EASettings = "---------------------------------------------"; //-------- <EA Settings> --------
input int InpMagicNumber = 124656; //Magic Number
extern string TradingSettings = "---------------------------------------------"; //-------- <Trading Settings> --------
input double Inpuser_lot = 0.01; //Lots
input double InpSL_Pips = 3.5; //Stoploss (in Pips)
input double InpMax_spread = 0.5; //Maximum allowed spread (in Pips) (0 = floating)
extern string MoneySettings = "---------------------------------------------"; //-------- <Money Settings> --------
input bool isVolume_Percent = true; //Allow Volume Percent
input double InpRisk = 3 //Risk Percentage of Balance (%)
input string TimeSettings = "---------------------------------------------"; //-------- <Trading Time Settings> --------
input bool InpTimeFilter = true //Trading Time Filter
input int InpStartHour = 2 //Start Hour
input int InpStartMinute = 30 //Start Minute
input int InpEndHour = 21 //End Hour
input int InpEndMinute = 0 //End Minute
2. Variable Initialization
//--- Variables
int Pips2Points; // Slippage 3 pips 3=points 30=points
double Pips2Double; // Stoploss 15 pips 0.015 0.0150
int InpMax_slippage = 3; // Maximum slippage allow_Pips.
bool isOrder = false; // just open 1 order
int slippage;
string strComment = "";
3. Main Code
a/ Expert Initialization Function
int OnInit()
{
//---
//3 or 5 digits detection
//Pip and point
if (Digits % 2 == 1)
{
Pips2Double = _Point*10;
Pips2Points = 10;
slippage = 10* InpMax_slippage;
}
else
{
Pips2Double = _Point;
Pips2Points = 1;
slippage = InpMax_slippage;
}
//---
return(INIT_SUCCEEDED);
}
b/ Expert Tick Function
void OnTick()
{
//---
if(IsTradeAllowed() == false)
{
Comment("AK-47 EA\nTrade not allowed.");
return;
}
MqlDateTime structTime;
TimeCurrent(structTime);
structTime.sec = 0;
//Set starting time
structTime.hour = InpStartHour;
structTime.min = InpStartMinute;
datetime timeStart = StructToTime(structTime);
//Set Ending time
structTime.hour = InpEndHour;
structTime.min = InpEndMinute;
datetime timeEnd = StructToTime(structTime);
double acSpread = MarketInfo(Symbol(), MODE_SPREAD);
StopLevel = MarketInfo(Symbol(), MODE_STOPLEVEL);
strComment = "\n" + ExtBotName + " - v." + (string)Version;
strComment += "\nGMT time = " + TimeToString(TimeGMT(),TIME_DATE|TIME_SECONDS);
strComment += "\nTrading time = [" + (string)InpStartHour + "h" + (string)InpStartMinute + " --> " + (string)InpEndHour + "h" + (string)InpEndMinute + "]";
strComment += "\nCurrent Spread = " + (string)acSpread + " Points";
strComment += "\nCurrent stoplevel = " + (string)StopLevel + " Points";
Comment(strComment);
//Update Values
UpdateOrders();
TrailingStop();
//Check Trading time
if(InpTimeFilter)
{
if(TimeCurrent() >= timeStart && TimeCurrent() < timeEnd)
{
if(!isOrder) OpenOrder();
}
}
else
{
if(!isOrder) OpenOrder();
}
}
3.1 Calculate Signal to Send Orders
void OpenOrder(){
//int OrdType = OP_SELL;//-1;
double TP = 0;
double SL = 0;
string comment = ExtBotName;
//Calculate Lots
double lot1 = CalculateVolume();
//if(OrdType == OP_SELL){
double OpenPrice = NormalizeDouble(Bid - (StopLevel * _Point) - (InpSL_Pips/2) * Pips2Double, Digits);
SL = NormalizeDouble(Ask + StopLevel * _Point + InpSL_Pips/2 * Pips2Double, Digits);
if(CheckSpreadAllow()) //Check Spread
{
if(!OrderSend(_Symbol, OP_SELLSTOP, lot1, OpenPrice, slippage, SL, TP, comment, InpMagicNumber, 0, clrRed))
Print(__FUNCTION__,"--> OrderSend error ",GetLastError());
}
//}
}
3.2 Calculate Volume
double CalculateVolume()
{
double LotSize = 0;
if(isVolume_Percent == false)
{
LotSize = Inpuser_lot;
}
else
{
LotSize = (InpRisk) * AccountFreeMargin();
LotSize = LotSize /100000;
double n = MathFloor(LotSize/Inpuser_lot);
//Comment((string)n);
LotSize = n * Inpuser_lot;
if(LotSize < Inpuser_lot)
LotSize = Inpuser_lot;
if(LotSize > MarketInfo(Symbol(),MODE_MAXLOT))
LotSize = MarketInfo(Symbol(),MODE_MAXLOT);
if(LotSize < MarketInfo(Symbol(),MODE_MINLOT))
LotSize = MarketInfo(Symbol(),MODE_MINLOT);
}
return(LotSize);
}
3.3 EA Trailing Stop Functionality
void TrailingStop()
{
for(int i = OrdersTotal() - 1; i >= 0; i--)
{
if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
{
if((OrderMagicNumber() == InpMagicNumber) && (OrderSymbol() == Symbol())) //_Symbol))
{
//For Sell Order
if(OrderType() == OP_SELL)
{
//--Calculate SL when price changed
double SL_in_Pip = NormalizeDouble(OrderStopLoss() - (StopLevel * _Point) - Ask, Digits) / Pips2Double;
if(SL_in_Pip > InpSL_Pips){
double newSL = NormalizeDouble(Ask + (StopLevel * _Point) + InpSL_Pips * Pips2Double, Digits);
if(!OrderModify(OrderTicket(), OrderOpenPrice(), newSL, OrderTakeProfit(), 0, clrRed))
{
Print(__FUNCTION__,"--> OrderModify error ",GetLastError());
}
}
}
//For SellStop Order
else if(OrderType() == OP_SELLSTOP)
{
double SL_in_Pip = NormalizeDouble(OrderStopLoss() - (StopLevel * _Point) - Ask, Digits) / Pips2Double;
if(SL_in_Pip < InpSL_Pips/2){
double newOP = NormalizeDouble(Bid - (StopLevel * _Point) - (InpSL_Pips/2) * Pips2Double, Digits);
double newSL = NormalizeDouble(Ask + (StopLevel * _Point) + (InpSL_Pips/2) * Pips2Double, Digits);
if(!OrderModify(OrderTicket(), newOP, newSL, OrderTakeProfit(), 0, clrRed))
{
Print(__FUNCTION__,"--> Modify PendingOrder error!", GetLastError());
continue;
}
}
}
}
}
}
2023.01.14
