MQL5 Programming Articles


Study the MQL5 language for programming trading strategies in numerous published articles mostly written by you - the community members. The articles are grouped into categories to help you quicker find answers to any questions related to programming: Integration, Tester, Trading Strategies, etc.

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A Universal Channel with the Graphical Interface

All channel indicators are displayed as three lines, including central, top and bottom lines. The drawing principle of the central line is similar to a moving average, while the moving average

Calculating the Hurst exponent

The article thoroughly explains the idea behind the Hurst exponent, as well as the meaning of its values and the calculation algorithm. A number of financial market segments are analyzed and the

Graphical Interfaces X: Updates for the Rendered table and code optimization (build 10)

We continue to complement the Rendered table (CCanvasTable) with new features. The table will now have: highlighting of the rows when hovered; ability to add an array of icons for each cell and a

Visualize this! MQL5 graphics library similar to 'plot' of R language

When studying trading logic, visual representation in the form of graphs is of great importance. A number of programming languages popular among the scientific community (such as R and Python) feature

Graphical interfaces X: New features for the Rendered table (build 9)

Until today, the CTable was the most advanced type of tables among all presented in the library. This table is assembled from edit boxes of the OBJ_EDIT type, and its further development becomes

Graphical Interfaces X: The Multiline Text box control (build 8)

The Multiline Text box control is discussed. Unlike the graphical objects of the OBJ_EDIT type, the presented version will not have restrictions on the number of input characters. It also adds the

3D Modeling in MQL5

A time series is a dynamic system, in which values of a random variable are received continuously or at successive equally spaced points in time. Transition from 2D to 3D market analysis provides a

Embed MetaTrader 4/5 WebTerminal on your website for free and make a profit

Traders are well familiar with the WebTerminal, which allows trading on financial markets straight from the browser. Add the WebTerminal widget to your website — you can do it absolutely free. If you

Auto detection of extreme points based on a specified price variation

Automation of trading strategies involving graphical patterns requires the ability to search for extreme points on the charts for further processing and interpretation. Existing tools do not always

Graphical interfaces X: Advanced management of lists and tables. Code optimization (build 7)

The library code needs to be optimized: it should be more regularized, which is — more readable and comprehensible for studying. In addition, we will continue to develop the controls created

An Example of Developing a Spread Strategy for Moscow Exchange Futures

The MetaTrader 5 platform allows developing and testing trading robots that simultaneously trade multiple financial instruments. The built-in Strategy Tester automatically downloads required tick

Graphical Interfaces X: Time control, List of checkboxes control and table sorting (build 6)

Development of the library for creating graphical interfaces continues. The Time and List of checkboxes controls will be covered this time. In addition, the CTable class now provides the ability to

Patterns available when trading currency baskets

Following up our previous article on the currency baskets trading principles, here we are going to analyze the patterns traders can detect. We will also consider the advantages and the drawbacks of

Statistical distributions in the form of histograms without indicator buffers and arrays

The article discusses the possibility of plotting statistical distribution histograms of market conditions with the help of the graphical memory meaning no indicator buffers and arrays are applied

Graphical Interfaces X: Text Edit box, Picture Slider and simple controls (build 5)

This article will consider new controls: Text Edit box, Picture Slider, as well as additional simple controls: Text label and Picture. The library continues to grow, and in addition to introduction of

Universal Oscillator with a GUI

The article describes the process of creation of a universal indicator based on all oscillators available in the terminal, with its own graphical interface. The GUI allows users to quickly and easily

Universal ZigZag

ZigZag is one of the most popular indicators among the MetaTrader 5 users. The article analyzes the possibilities for creating various versions of the ZigZag. The result is a universal indicator with

80-20 trading strategy

The article describes the development of tools (indicator and Expert Advisor) for analyzing the '80-20' trading strategy. The trading strategy rules are taken from the work "Street Smarts. High

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 MetaTrader 5 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

Neural network: Self-optimizing Expert Advisor

Is it possible to develop an Expert Advisor able to optimize position open and close conditions at regular intervals according to the code commands? What happens if we implement a neural network

Statistical Distributions in MQL5 - taking the best of R and making it faster

The functions for working with the basic statistical distributions implemented in the R language are considered. Those include the Cauchy, Weibull, normal, log-normal, logistic, exponential, uniform

The Easy Way to Evaluate a Signal: Trading Activity, Drawdown/Load and MFE/MAE Distribution Charts

Subscribers often search for an appropriate signal by analyzing the total growth on the signal provider's account, which is not a bad idea. However, it is also important to analyze potential risks of

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

Cross-Platform Expert Advisor: Orders

MetaTrader 4 and MetaTrader 5 uses different conventions in processing trade requests. This article discusses the possibility of using a class object that can be used to represent the trades processed

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

Cross-Platform Expert Advisor: Reuse of Components from the MQL5 Standard Library

There exists some components in the MQL5 Standard Library that may prove to be useful in the MQL4 version of cross-platform expert advisors. This article deals with a method of making certain

LifeHack for trader: four backtests are better than one

Before the first single test, every trader faces the same question — "Which of the four modes to use?" Each of the provided modes has its advantages and features, so we will do it the easy way - run

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

Cross-Platform Expert Advisor: Introduction

This article details a method by which cross-platform expert advisors can be developed faster and easier. The proposed method consolidates the features shared by both versions into a single class, and