MetaTrader4
AK-47 Scalper EA: Panduan Lengkap untuk MetaTrader 4
1. Parameter Input #define ExtBotName "AK-47 Scalper EA" // Nama Bot
#define Version "1.00"
//--- parameter input---
extern string EASettings = "---------------------------------------------"; //-------- <Pengaturan EA> --------
input int InpMagicNumber = 124656; //Nomor Keajaiban
extern string TradingSettings = "---------------------------------------------"; //-------- <Pengaturan Trading> --------
input double Inpuser_lot = 0.01; //Lots
input double InpSL_Pips = 3.5; //Stoploss (dalam Pips)
input double InpMax_spread = 0.5; //Spread maksimum yang diizinkan (dalam Pips) (0 = mengambang)
extern string MoneySettings = "---------------------------------------------"; //-------- <Pengaturan Uang> --------
input bool isVolume_Percent = true; //Izinkan Persentase Volume
input double InpRisk = 3 //Persentase Risiko dari Saldo (%)
input string TimeSettings = "---------------------------------------------"; //-------- <Pengaturan Waktu Trading> --------
input bool InpTimeFilter = true //Filter Waktu Trading
input int InpStartHour = 2 //Jam Mulai
input int InpStartMinute = 30 //Menit Mulai
input int InpEndHour = 21 //Jam Selesai
input int InpEndMinute = 0 //Menit Selesai 2. Inisialisasi Variabel Lokal //--- Variabel
int Pips2Points; // slippage 3 pips 3=points 30=points
double Pips2Double; // Stoploss 15 pips 0.015 0.0150
int InpMax_slippage = 3; // Maksimal slippage yang diizinkan_Pips.
bool isOrder = false; // hanya buka 1 order
int slippage;
string strComment = ""; 3. Kode Utama a/ Fungsi inisialisasi Expert int OnInit()
{
//---
//Deteksi 3 atau 5 digit
//Pip dan 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/ Fungsi tick Expert void OnTick()
{
//---
if(IsTradeAllowed() == false)
{
Comment("AK-47 EA\nTrading tidak diizinkan.");
return;
}
MqlDateTime structTime;
TimeCurrent(structTime);
structTime.sec = 0;
//Set waktu mulai
structTime.hour = InpStartHour;
structTime.min = InpStartMinute;
datetime timeStart = StructToTime(structTime);
//Set waktu Selesai
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 += "\nWaktu GMT = " + TimeToString(TimeGMT(),TIME_DATE|TIME_SECONDS);
strComment += "\nWaktu Trading = [" + (string)InpStartHour + "h" + (string)InpStartMinute + " --> " + (string)InpEndHour + "h" + (string)InpEndMinute + "]";
strComment += "\nSpread Saat Ini = " + (string)acSpread + " Points";
strComment += "\nStoppLevel Saat Ini = " + (string)StopLevel + " Points";
Comment(strComment);
//Perbarui Nilai
UpdateOrders();
TrailingStop();
//Cek Waktu Trading
if(InpTimeFilter)
{
if(TimeCurrent() >= timeStart && TimeCurrent() < timeEnd)
{
if(!isOrder) OpenOrder();
}
}
else
{
if(!isOrder) OpenOrder();
}
} 3.1 Menghitung sinyal untuk mengirimkan order void OpenOrder(){
//int OrdType = OP_SELL;//-1;
double TP = 0;
double SL = 0;
string comment = ExtBotName;
//Menghitung 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()) //Cek Spread
{
if(!OrderSend(_Symbol, OP_SELLSTOP, lot1, OpenPrice, slippage, SL, TP, comment, InpMagicNumber, 0, clrRed))
Print(__FUNCTION__,"--> Kesalahan OrderSend ",GetLastError());
}
//}
} 3.2 Menghitung 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 memiliki fungsi "trailing Stop", SL akan berubah setiap kali harga berubah (turun) void TrailingStop()
{
for(int i = OrdersTotal() - 1; i >= 0; i--)
{
if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
{
if((OrderMagicNumber() == InpMagicNumber) && (OrderSymbol() == Symbol())) //_Symbol))
{
//Untuk Order Jual
if(OrderType() == OP_SELL)
{
//--Menghitung SL ketika harga berubah
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__,"--> Kesalahan OrderModify ",GetLastError());
{
continue;
}
}
}
//Untuk Order SellStop
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__,"--> Kesalahan Modify PendingOrder!", GetLastError());
continue;
}
}
}
}
}
}
2023.01.14
