Articles with examples of trading robots developed in MQL5

An Expert Advisor is the 'pinnacle' of programming and the desired goal of every automated trading developer. Read the articles in this section to create your own trading robot. By following the described steps you will learn how to create, debug and test automated trading systems.

The articles not only teach MQL5 programming, but also show how to implement trading ideas and techniques. You will learn how to program a trailing stop, how to apply money management, how to get the indicator values, and much more.

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Graphical Interfaces III: Simple and Multi-Functional Buttons (Chapter 1)

Let us consider the button control. We will discuss examples of several classes for creating a simple button, buttons with extended functionality (icon button and split button) and interconnected...

Graphical Interfaces II: The Main Menu Element (Chapter 4)

This is the final chapter of the second part of the series about graphical interfaces. Here, we are going to consider the creation of the main menu. The development of this control and setting up...

Universal Expert Advisor: Custom Strategies and Auxiliary Trade Classes (Part 3)

In this article, we will continue analyzing the algorithms of the CStrategy trading engine. The third part of the series contains the detailed analysis of examples of how to develop specific trading...

Graphical Interfaces II: Setting Up the Event Handlers of the Library (Chapter 3)

The previous articles contain the implementation of the classes for creating constituent parts of the main menu. Now, it is time to take a close look at the event handlers in the principle base...

Universal Expert Advisor: the Event Model and Trading Strategy Prototype (Part 2)

This article continues the series of publications on a universal Expert Advisor model. This part describes in detail the original event model based on centralized data processing, and considers the...

Universal Expert Advisor: Trading Modes of Strategies (Part 1)

Any Expert Advisor developer, regardless of programming skills, is daily confronted with the same trading tasks and algorithmic problems, which should be solved to organize a reliable trading process....

Graphical Interfaces II: the Separation Line and Context Menu Elements (Chapter 2)

In this article we will create the separation line element. It will be possible to use it not only as an independent interface element but also as a part of many other elements. After that, we will...

Graphical Interfaces II: the Menu Item Element (Chapter 1)

In the second part of the series, we will show in detail the development of such interface elements as main menu and context menu. We will also mention drawing elements and create a special class for...

Adding a control panel to an indicator or an Expert Advisor in no time

Have you ever felt the need to add a graphical panel to your indicator or Expert Advisor for greater speed and convenience? In this article, you will find out how to implement the dialog panel with...

Graphical Interfaces I: Testing Library in Programs of Different Types and in the MetaTrader 4 Terminal (Chapter 5)

In the previous chapter of the first part of the series about graphical interfaces, the form class was enriched by methods which allowed managing the form by pressing its controls. In this article, we...

Trading signals module using the system by Bill Williams

The article describes the rules of the trading system by Bill Williams, the procedure of application for a developed MQL5 module to search and mark patterns of this system on the chart, automated...

Graphical Interfaces I: Functions for the Form Buttons and Deleting Interface Elements (Chapter 4)

In this article, we are going to continue developing the CWindow class by adding methods, which will allow managing the form by clicking on its controls. We will enable the program to be closed by a...

Graphical Interfaces I: Animating the Graphical Interface (Chapter 3)

In the previous article, we started developing a form class for controls. In this article, we are going to continue doing that by filling this class with methods for moving a form over the chart area....

Graphical Interfaces I: Form for Controls (Chapter 2)

In this article we will create the first and main element of the graphical interface - a form for controls. Multiple controls can be attached to this form anywhere and in any combination.

Graphical Interfaces I: Preparation of the Library Structure (Chapter 1)

This article is the beginning of another series concerning development of graphical interfaces. Currently, there is not a single code library that would allow quick and easy creation of high quality...

MQL5 for beginners: Anti-vandal protection of graphic objects

What should your program do, if graphic control panels have been removed or modified by someone else? In this article we will show you how not to have "ownerless" objects on the chart, and how not to...

Indicator for Spindles Charting

The article regards spindle chart plotting and its usage in trading strategies and experts. First let's discuss the chart's appearance, plotting and connection with japanese candlestick chart. Next we...

Using Layouts and Containers for GUI Controls: The CBox Class

This article presents an alternative method of GUI creation based on layouts and containers, using one layout manager — the CBox class. The CBox class is an auxiliary control that acts as a container...

Plotting trend lines based on fractals using MQL4 and MQL5

The article describes the automation of trend lines plotting based on the Fractals indicator using MQL4 and MQL5. The article structure provides a comparative view of the solution for two languages....

Optimization. A Few Simple Ideas

The optimization process can require significant resources of your computer or even of the MQL5 Cloud Network test agents. This article comprises some simple ideas that I use for work facilitation and...

MQL5 Cookbook: ОСО Orders

Any trader's trading activity involves various mechanisms and interrelationships including relations among orders. This article suggests a solution of OCO orders processing. Standard library classes...

Building an Interactive Application to Display RSS Feeds in MetaTrader 5

In this article we look at the possibility of creating an application for the display of RSS feeds. The article will show how aspects of the Standard Library can be used to create interactive programs...

Programming EA's Modes Using Object-Oriented Approach

This article explains the idea of multi-mode trading robot programming in MQL5. Every mode is implemented with the object-oriented approach. Instances of both mode classes hierarchy and classes for...

MQL5 Wizard: Placing Orders, Stop-Losses and Take Profits on Calculated Prices. Standard Library Extension

This article describes the MQL5 Standard Library extension, which allows to create Expert Advisors, place orders, Stop Losses and Take Profits using the MQL5 Wizard by the prices received from...

Liquid Chart

Would you like to see an hourly chart with bars opening from the second and the fifth minute of the hour? What does a redrawn chart look like when the opening time of bars is changing every minute?...

MQL5 Cookbook: Handling Custom Chart Events

This article considers aspects of design and development of custom chart events system in the MQL5 environment. An example of an approach to the events classification can also be found here, as well...

MQL5 Cookbook - Multi-Currency Expert Advisor and Working with Pending Orders in MQL5

This time we are going to create a multi-currency Expert Advisor with a trading algorithm based on work with the pending orders Buy Stop and Sell Stop. This article considers the following matters:...

Building a Social Technology Startup, Part I: Tweet Your MetaTrader 5 Signals

Today we will learn how to link an MetaTrader 5 terminal with Twitter so that you can tweet your EAs' trading signals. We are developing a Social Decision Support System in PHP based on a RESTful web...

Working with GSM Modem from an MQL5 Expert Advisor

There is currently a fair number of means for a comfortable remote monitoring of a trading account: mobile terminals, push notifications, working with ICQ. But it all requires Internet connection....

Creating a Multi-Currency Multi-System Expert Advisor

The article introduces a structure for an Expert Advisor that trades multiple symbols and uses several trading systems simultaneously. If you already identified the optimal input parameters for all...

Raise Your Linear Trading Systems to the Power

Today's article shows intermediate MQL5 programmers how they can get more profit from their linear trading systems (Fixed Lot) by easily implementing the so-called technique of exponentiation. This is...

MQL5 Cookbook: Sound Notifications for MetaTrader 5 Trade Events

In this article, we will consider such issues as including sound files in the file of the Expert Advisor, and thus adding sound notifications to trade events. The fact that the files will be included...

Marvel Your MQL5 Customers with a Usable Cocktail of Technologies!

MQL5 provides programmers with a very complete set of functions and object-oriented API thanks to which they can do everything they want within the MetaTrader environment. However, Web Technology is...

MQL5 Wizard: How to Teach an EA to Open Pending Orders at Any Price

The article describes a method of modifying the code of a trading signal module for the implementation of the functionality allowing you to set pending orders at any distance from the current price:...

MQL5 Cookbook: Reducing the Effect of Overfitting and Handling the Lack of Quotes

Whatever trading strategy you use, there will always be a question of what parameters to choose to ensure future profits. This article gives an example of an Expert Advisor with a possibility to...

Trading Signal Generator Based on a Custom Indicator

How to create a trading signal generator based on a custom indicator? How to create a custom indicator? How to get access to custom indicator data? Why do we need the IS_PATTERN_USAGE(0) structure and...

Building an Automatic News Trader

This is the continuation of Another MQL5 OOP class article which showed you how to build a simple OO EA from scratch and gave you some tips on object-oriented programming. Today I am showing you the...

MQL5 Cookbook: Writing the History of Deals to a File and Creating Balance Charts for Each Symbol in Excel

When communicating in various forums, I often used examples of my test results displayed as screenshots of Microsoft Excel charts. I have many times been asked to explain how such charts can be...

Another MQL5 OOP Class

This article shows you how to build an Object-Oriented Expert Advisor from scratch, from conceiving a theoretical trading idea to programming a MQL5 EA that makes that idea real in the empirical world...

MQL5 Cookbook: Developing a Multi-Currency Expert Advisor with Unlimited Number of Parameters

In this article, we will create a pattern that uses a single set of parameters for optimization of a trading system, while allowing for unlimited number of parameters. The list of symbols will be...