Articles with MQL5 programming examples

Access a huge collection of articles with code examples showing how to create indicators and trading robots for the MetaTrader platform in the MQL5 language. Source codes are attached to the articles, so you can open them in MetaEditor and run them to see how the applications work.

These articles will be useful both for those who have just started exploring automated trading and for professional traders with programming experience. They feature not only examples, but also contain new ideas.

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LifeHack for Trader: A comparative report of several tests

The article deals with the simultaneous launch of Expert Advisor testing on four different trading instruments. The final comparison of four testing reports is provided in a table similar to how goods

The 'Turtle Soup' trading system and its 'Turtle Soup Plus One' modification

The article features formalized rules of two trading strategies 'Turtle Soup' and 'Turtle Soup Plus One' from Street Smarts: High Probability Short-Term Trading Strategies by Linda Bradford Raschke

MQL5 Programming Basics: Global Variables of the Terminal

Global variables of the terminal provide an indispensable tool for developing sophisticated and reliable Expert Advisors. If you master the global variables, you will no more be able to imagine

Graphical Interfaces X: The Standard Chart Control (build 4)

This time we will consider the Standard chart control. It will allow to create arrays of subcharts with the ability to synchronize horizontal scrolling. In addition, we will continue to optimize the

MQL5 Programming Basics: Files

This practice-oriented article focuses on working with files in MQL5. It offers a number of simple tasks allowing you to grasp the basics and hone your skills

Graphical Interfaces X: Updates for Easy And Fast Library (Build 3)

The next version of the Easy And Fast library (version 3) is presented in this article. Fixed certain flaws and added new features. More details further in the article

LifeHack for trader: "Quiet" optimization or Plotting trade distributions

Analysis of the trade history and plotting distribution charts of trading results in HTML depending on position entry time. The charts are displayed in three sections - by hours, by days of the week

MQL5 vs QLUA - Why trading operations in MQL5 are up to 28 times faster?

Have you ever wondered how quickly your order is delivered to the exchange, how fast it is executed, and how much time your terminal needs in order to receive the operation result? We have prepared a

MQL5 Cookbook - Trading signals of moving channels

The article describes the process of developing and implementing a class for sending signals based on the moving channels. Each of the signal version is followed by a trading strategy with testing

How to quickly develop and debug a trading strategy in MetaTrader 5

Scalping automatic systems are rightfully regarded the pinnacle of algorithmic trading, but at the same time their code is the most difficult to write. In this article we will show how to build

How to copy signals using an EA by your rules?

When you subscribe to signals, such situation may occur: your trade account has a leverage of 1:100, the provider has a leverage of 1:500 and trades using the minimal lot, and your trade balances are

Graphical Interfaces X: Updates for Easy And Fast Library (Build 2)

Since the publication of the previous article in the series, Easy And Fast library has received some new features. The library structure and code have been partially optimized slightly reducing CPU

Graphical Interfaces IX: The Progress Bar and Line Chart Controls (Chapter 2)

The second chapter of the part nine is dedicated to the progress bar and line chart controls. As always, there will be detailed examples provided to reveal how these controls can be used in custom MQL

Graphical Interfaces IX: The Color Picker Control (Chapter 1)

With this article we begin chapter nine of series of articles dedicated to creating graphical interfaces in MetaTrader trading terminals. It consists of two chapters where new elements of controls and

Graphical Interfaces VIII: the File Navigator Control (Chapter 3)

In the previous chapters of the eighth part of the series, our library has been reinforced by several classes for developing mouse pointers, calendars and tree views. The current article deals with

Graphical Interfaces VIII: The Tree View Control (Chapter 2)

The previous chapter of part VIII on graphical interfaces has focused on the elements of static and drop-down calendar. The second chapter will be dedicated to an equally complex element — a tree

Graphical Interfaces VIII: The Calendar Control (Chapter 1)

In the part VIII of the series of articles dedicated to creating graphical interfaces in MetaTrader, we will consider complex composite controls like calendars, tree view, and file navigator. Due to

Graphical Interfaces VII: The Tabs Control (Chapter 2)

The first chapter of seventh part introduced three classes of controls for creating tables: text label table (CLabelsTable), edit box table (CTable) and rendered table (CCanvasTable). In this article

Testing trading strategies on real ticks

The article provides the results of testing a simple trading strategy in three modes: "1 minute OHLC", "Every tick" and "Every tick based on real ticks" using actual historical data

Graphical Interfaces VII: the Tables Controls (Chapter 1)

The seventh part of the series on MetaTrader graphical interfaces deals with three table types: text label, edit box and rendered one. Another important and frequently used controls are tabs allowing

The checks a trading robot must pass before publication in the Market

Before any product is published in the Market, it must undergo compulsory preliminary checks in order to ensure a uniform quality standard. This article considers the most frequent errors made by

LifeHack for Traders: Indicators of Balance, Drawdown, Load and Ticks during Testing

How to make the testing process more visual? The answer is simple: you need to use one or more indicators in the Strategy Tester, including a tick indicator, an indicator of balance and equity, an

Universal Expert Advisor: Integration with Standard MetaTrader Modules of Signals (Part 7)

This part of the article describes the possibilities of the CStrategy engine integration with the signal modules included into the standard library in MetaTrader. The article describes how to work

Working with sockets in MQL, or How to become a signal provider

Sockets… What in our IT world could possibly exist without them? Dating back to 1982, and hardly changed up to the present time, they smoothly work for us every second. This is the foundation of

Regular expressions for traders

A regular expression is a special language for handling texts by applying a specified rule, also called a regex or regexp for short. In this article, we are going to show how to handle a trade report

Creating a trading robot for Moscow Exchange. Where to start?

Many traders on Moscow Exchange would like to automate their trading algorithms, but they do not know where to start. The MQL5 language offers a huge range of trading functions, and it additionally

Creating an assistant in manual trading

The number of trading robots used on the currency markets has significantly increased recently. They employ various concepts and strategies, however, none of them has yet succeeded to create a win-win

Universal Expert Advisor: A Custom Trailing Stop (Part 6)

The sixth part of the article about the universal Expert Advisor describes the use of the trailing stop feature. The article will guide you through how to create a custom trailing stop module using

Graphical Interfaces VI: the Slider and the Dual Slider Controls (Chapter 2)

In the previous article, we have enriched our library with four controls frequently used in graphical interfaces: checkbox, edit, edit with checkbox and check combobox. The second chapter of the sixth

Graphical Interfaces VI: the Checkbox Control, the Edit Control and their Mixed Types (Chapter 1)

This article is the beginning of the sixth part of the series dedicated to the development of the library for creating graphical interfaces in the MetaTrader terminals. In the first chapter, we are

Universal Expert Advisor: Pending Orders and Hedging Support (Part 5)

This article provides further description of the CStrategy trading engine. By popular demand of users, we have added pending order support functions to the trading engine. Also, the latest version of

Graphical Interfaces V: The Combobox Control (Chapter 3)

In the first two chapters of the fifth part of the series, we developed classes for creating a scrollbar and a view list. In this chapter, we will speak about creating a class for the combobox

Self-organizing feature maps (Kohonen maps) - revisiting the subject

This article describes techniques of operating with Kohonen maps. The subject will be of interest to both market researchers with basic level of programing in MQL4 and MQL5 and experienced programmers

Universal Expert Advisor: Trading in a Group and Managing a Portfolio of Strategies (Part 4)

In the last part of the series of articles about the CStrategy trading engine, we will consider simultaneous operation of multiple trading algorithms, will learn to load strategies from XML files, and

Graphical Interfaces V: The List View Element (Chapter 2)

In the previous chapter, we wrote classes for creating vertical and horizontal scrollbars. In this chapter, we will implement them. We will write a class for creating the list view element, a compound

Graphical Interfaces V: The Vertical and Horizontal Scrollbar (Chapter 1)

We are still discussing the development of the library for creating graphical interfaces in the MetaTrader environment. In the first article of the fifth part of the series, we will write classes for

Graphical Interfaces IV: the Multi-Window Mode and System of Priorities (Chapter 2)

In this chapter, we will extend the library implementation to the possibility of creating multi-window interfaces for the MQL applications. We will also develop a system of priorities for left mouse

Graphical Interfaces IV: Informational Interface Elements (Chapter 1)

At the current stage of development, the library for creating graphical interfaces contains a form and several controls that can be attached to it. It was mentioned before that one of the future

MQL5 Cookbook - Programming moving channels

This article presents a method of programming the equidistant channel system. Certain details of building such channels are being considered here. Channel typification is provided, and a universal

Graphical Interfaces III: Groups of Simple and Multi-Functional Buttons (Chapter 2)

The first chapter of the series was about simple and multi-functional buttons. The second article will be dedicated to groups of interconnected buttons that will allow the creation of elements in an