紀錄閱讀MQL5論壇上EA交易工具相關的心得或翻譯
由於後面有一系列文章是使用mql5 wizard這個功能來寫EA
因此先有一個前導系列來研究mql5 wizard這個功能
至於mql5基礎語言由於筆者本身有基礎背景
因此就先不介紹了,後續如果有需要再考慮
MQL5 Wizard: Creating Expert Advisors without Programming
當在建立自動交易系統時
必須要編寫有關"交易訊號""追蹤平倉""資金風險管理"等邏輯
當各個模組編寫完成,最困難的任務就是組裝各個模組並調適算法
而在這個基礎之上還需要有一個讓各個模組互動正常的架構
若架構規劃的不好,則還需要花時間排查架構錯誤,替換模組時還有可能要改寫架構
在MQL5中,使用了物件導向的方法來簡化自動交易系統的編寫和測試流程,
尤其MetaQuotes Software Corp.還內建了基本的交易訊號(20個)、追蹤平倉(4)和資金風險管理模組(5)
透過組合這些模組就可以立即得到一個可用的EA
接下來會介紹如何自動產生一套EA且不需要自己手寫程式碼
接下來的步驟將在MetaEditor中完成
其中內建的交易模組位於"\<client_terminal_directory>\MQL5\Include\Expert\"路徑的資料夾內
當在開啟MetaEditor後,MQL5 Wizard會到這個路徑解析這些模組並新增到選單中
之後在新增EA時就可以透過選單來選擇要組合哪些模組
解析EA程式碼與架構
//+------------------------------------------------------------------+
//| Test001.mq5 |
//| Copyright 2024, MetaQuotes Ltd. |
//| <https://www.mql5.com> |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, MetaQuotes Ltd."
#property link "<https://www.mql5.com>"
#property version "1.00"
//+------------------------------------------------------------------+
//| Include |
//+------------------------------------------------------------------+
#include <Expert\\Expert.mqh>
//--- available signals
#include <Expert\\Signal\\SignalMA.mqh>
//--- available trailing
#include <Expert\\Trailing\\TrailingFixedPips.mqh>
//--- available money management
#include <Expert\\Money\\MoneyFixedLot.mqh>
//+------------------------------------------------------------------+
//| Inputs |
//+------------------------------------------------------------------+
//--- inputs for expert
input string Expert_Title ="Test001"; // Document name
ulong Expert_MagicNumber =13666; //
bool Expert_EveryTick =false; //
//--- inputs for main signal
input int Signal_ThresholdOpen =10; // Signal threshold value to open [0...100]
input int Signal_ThresholdClose =10; // Signal threshold value to close [0...100]
input double Signal_PriceLevel =0.0; // Price level to execute a deal
input double Signal_StopLevel =50.0; // Stop Loss level (in points)
input double Signal_TakeLevel =50.0; // Take Profit level (in points)
input int Signal_Expiration =4; // Expiration of pending orders (in bars)
input int Signal_MA_PeriodMA =12; // Moving Average(12,0,...) Period of averaging
input int Signal_MA_Shift =0; // Moving Average(12,0,...) Time shift
input ENUM_MA_METHOD Signal_MA_Method =MODE_SMA; // Moving Average(12,0,...) Method of averaging
input ENUM_APPLIED_PRICE Signal_MA_Applied =PRICE_CLOSE; // Moving Average(12,0,...) Prices series
input double Signal_MA_Weight =1.0; // Moving Average(12,0,...) Weight [0...1.0]
//--- inputs for trailing
input int Trailing_FixedPips_StopLevel =30; // Stop Loss trailing level (in points)
input int Trailing_FixedPips_ProfitLevel=50; // Take Profit trailing level (in points)
//--- inputs for money
input double Money_FixLot_Percent =10.0; // Percent
input double Money_FixLot_Lots =0.1; // Fixed volume
//+------------------------------------------------------------------+
//| Global expert object |
//+------------------------------------------------------------------+
CExpert ExtExpert;
//+------------------------------------------------------------------+
//| Initialization function of the expert |
//+------------------------------------------------------------------+
int OnInit()
{
//--- Initializing expert
if(!ExtExpert.Init(Symbol(),Period(),Expert_EveryTick,Expert_MagicNumber))
{
//--- failed
printf(__FUNCTION__+": error initializing expert");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Creating signal
CExpertSignal *signal=new CExpertSignal;
if(signal==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating signal");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//---
ExtExpert.InitSignal(signal);
signal.ThresholdOpen(Signal_ThresholdOpen);
signal.ThresholdClose(Signal_ThresholdClose);
signal.PriceLevel(Signal_PriceLevel);
signal.StopLevel(Signal_StopLevel);
signal.TakeLevel(Signal_TakeLevel);
signal.Expiration(Signal_Expiration);
//--- Creating filter CSignalMA
CSignalMA *filter0=new CSignalMA;
if(filter0==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating filter0");
ExtExpert.Deinit();
return(INIT_FAILED);
}
signal.AddFilter(filter0);
//--- Set filter parameters
filter0.PeriodMA(Signal_MA_PeriodMA);
filter0.Shift(Signal_MA_Shift);
filter0.Method(Signal_MA_Method);
filter0.Applied(Signal_MA_Applied);
filter0.Weight(Signal_MA_Weight);
//--- Creation of trailing object
CTrailingFixedPips *trailing=new CTrailingFixedPips;
if(trailing==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating trailing");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Add trailing to expert (will be deleted automatically))
if(!ExtExpert.InitTrailing(trailing))
{
//--- failed
printf(__FUNCTION__+": error initializing trailing");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Set trailing parameters
trailing.StopLevel(Trailing_FixedPips_StopLevel);
trailing.ProfitLevel(Trailing_FixedPips_ProfitLevel);
//--- Creation of money object
CMoneyFixedLot *money=new CMoneyFixedLot;
if(money==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating money");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Add money to expert (will be deleted automatically))
if(!ExtExpert.InitMoney(money))
{
//--- failed
printf(__FUNCTION__+": error initializing money");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Set money parameters
money.Percent(Money_FixLot_Percent);
money.Lots(Money_FixLot_Lots);
//--- Check all trading objects parameters
if(!ExtExpert.ValidationSettings())
{
//--- failed
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Tuning of all necessary indicators
if(!ExtExpert.InitIndicators())
{
//--- failed
printf(__FUNCTION__+": error initializing indicators");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- ok
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Deinitialization function of the expert |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
ExtExpert.Deinit();
}
//+------------------------------------------------------------------+
//| "Tick" event handler function |
//+------------------------------------------------------------------+
void OnTick()
{
ExtExpert.OnTick();
}
//+------------------------------------------------------------------+
//| "Trade" event handler function |
//+------------------------------------------------------------------+
void OnTrade()
{
ExtExpert.OnTrade();
}
//+------------------------------------------------------------------+
//| "Timer" event handler function |
//+------------------------------------------------------------------+
void OnTimer()
{
ExtExpert.OnTimer();
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Test001.mq5 |
//| Copyright 2024, MetaQuotes Ltd. |
//| <https://www.mql5.com> |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, MetaQuotes Ltd."
#property link "<https://www.mql5.com>"
#property version "1.00"
//+------------------------------------------------------------------+
//| Include |
//+------------------------------------------------------------------+
#include <Expert\\Expert.mqh>
//--- available signals
#include <Expert\\Signal\\SignalMA.mqh>
//--- available trailing
#include <Expert\\Trailing\\TrailingFixedPips.mqh>
//--- available money management
#include <Expert\\Money\\MoneyFixedLot.mqh>
//+------------------------------------------------------------------+
//| Inputs |
//+------------------------------------------------------------------+
//--- inputs for expert
input string Expert_Title ="Test001"; // Document name
ulong Expert_MagicNumber =13666; //
bool Expert_EveryTick =false; //
//--- inputs for main signal
input int Signal_ThresholdOpen =10; // Signal threshold value to open [0...100]
input int Signal_ThresholdClose =10; // Signal threshold value to close [0...100]
input double Signal_PriceLevel =0.0; // Price level to execute a deal
input double Signal_StopLevel =50.0; // Stop Loss level (in points)
input double Signal_TakeLevel =50.0; // Take Profit level (in points)
input int Signal_Expiration =4; // Expiration of pending orders (in bars)
input int Signal_MA_PeriodMA =12; // Moving Average(12,0,...) Period of averaging
input int Signal_MA_Shift =0; // Moving Average(12,0,...) Time shift
input ENUM_MA_METHOD Signal_MA_Method =MODE_SMA; // Moving Average(12,0,...) Method of averaging
input ENUM_APPLIED_PRICE Signal_MA_Applied =PRICE_CLOSE; // Moving Average(12,0,...) Prices series
input double Signal_MA_Weight =1.0; // Moving Average(12,0,...) Weight [0...1.0]
//--- inputs for trailing
input int Trailing_FixedPips_StopLevel =30; // Stop Loss trailing level (in points)
input int Trailing_FixedPips_ProfitLevel=50; // Take Profit trailing level (in points)
//--- inputs for money
input double Money_FixLot_Percent =10.0; // Percent
input double Money_FixLot_Lots =0.1; // Fixed volume
//+------------------------------------------------------------------+
//| Global expert object |
//+------------------------------------------------------------------+
CExpert ExtExpert;
//+------------------------------------------------------------------+
//| Initialization function of the expert |
//+------------------------------------------------------------------+
int OnInit()
{
...
//--- Initializing expert
if(!ExtExpert.Init(Symbol(),Period(),Expert_EveryTick,Expert_MagicNumber))
{
//--- failed
printf(__FUNCTION__+": error initializing expert");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Creating signal
CExpertSignal *signal=new CExpertSignal;
if(signal==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating signal");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//---
ExtExpert.InitSignal(signal);
signal.ThresholdOpen(Signal_ThresholdOpen);
signal.ThresholdClose(Signal_ThresholdClose);
signal.PriceLevel(Signal_PriceLevel);
signal.StopLevel(Signal_StopLevel);
signal.TakeLevel(Signal_TakeLevel);
signal.Expiration(Signal_Expiration);
//--- Creating filter CSignalMA
CSignalMA *filter0=new CSignalMA;
if(filter0==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating filter0");
ExtExpert.Deinit();
return(INIT_FAILED);
}
signal.AddFilter(filter0);
//--- Set filter parameters
filter0.PeriodMA(Signal_MA_PeriodMA);
filter0.Shift(Signal_MA_Shift);
filter0.Method(Signal_MA_Method);
filter0.Applied(Signal_MA_Applied);
filter0.Weight(Signal_MA_Weight);
//--- Creation of trailing object
CTrailingFixedPips *trailing=new CTrailingFixedPips;
if(trailing==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating trailing");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Add trailing to expert (will be deleted automatically))
if(!ExtExpert.InitTrailing(trailing))
{
//--- failed
printf(__FUNCTION__+": error initializing trailing");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Set trailing parameters
trailing.StopLevel(Trailing_FixedPips_StopLevel);
trailing.ProfitLevel(Trailing_FixedPips_ProfitLevel);
//--- Creation of money object
CMoneyFixedLot *money=new CMoneyFixedLot;
if(money==NULL)
{
//--- failed
printf(__FUNCTION__+": error creating money");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Add money to expert (will be deleted automatically))
if(!ExtExpert.InitMoney(money))
{
//--- failed
printf(__FUNCTION__+": error initializing money");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Set money parameters
money.Percent(Money_FixLot_Percent);
money.Lots(Money_FixLot_Lots);
//--- Check all trading objects parameters
if(!ExtExpert.ValidationSettings())
{
//--- failed
ExtExpert.Deinit();
return(INIT_FAILED);
}
//--- Tuning of all necessary indicators
if(!ExtExpert.InitIndicators())
{
//--- failed
printf(__FUNCTION__+": error initializing indicators");
ExtExpert.Deinit();
return(INIT_FAILED);
}
//+------------------------------------------------------------------+
//| Deinitialization function of the expert |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
ExtExpert.Deinit();
}
//+------------------------------------------------------------------+
//| "Tick" event handler function |
//+------------------------------------------------------------------+
void OnTick()
{
ExtExpert.OnTick();
}
//+------------------------------------------------------------------+
//| "Trade" event handler function |
//+------------------------------------------------------------------+
void OnTrade()
{
ExtExpert.OnTrade();
}
//+------------------------------------------------------------------+
//| "Timer" event handler function |
//+------------------------------------------------------------------+
void OnTimer()
{
ExtExpert.OnTimer();
}
透過MQL5 Wizard可以簡化交易想法的建立和測試
也可以自己建立各個模組
並且可以重複使用,組合不同的模組來建立自己獨有的交易程式
且開發組來的