Articles on the MQL5 programming and use of trading robots

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Expert Advisors created for the MetaTrader platform perform a variety of functions implemented by their developers. Trading robots can track financial symbols 24 hours a day, copy deals, create and send reports, analyze news and even provide specific custom graphical interface.

The articles describe programming techniques, mathematical ideas for data processing, tips on creating and ordering of trading robots.

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Price Action Analysis Toolkit Development (Part 53): Pattern Density Heatmap for Support and Resistance Zone Discovery

Price Action Analysis Toolkit Development (Part 53): Pattern Density Heatmap for Support and Resistance Zone Discovery

This article introduces the Pattern Density Heatmap, a price‑action mapping tool that transforms repeated candlestick pattern detections into statistically significant support and resistance zones. Rather than treating each signal in isolation, the EA aggregates detections into fixed price bins, scores their density with optional recency weighting, and confirms levels against higher‑timeframe data. The resulting heatmap reveals where the market has historically reacted—levels that can be used proactively for trade timing, risk management, and strategy confidence across any trading style.
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Build Self Optimizing Expert Advisors in MQL5 (Part 4): Dynamic Position Sizing

Build Self Optimizing Expert Advisors in MQL5 (Part 4): Dynamic Position Sizing

Successfully employing algorithmic trading requires continuous, interdisciplinary learning. However, the infinite range of possibilities can consume years of effort without yielding tangible results. To address this, we propose a framework that gradually introduces complexity, allowing traders to refine their strategies iteratively rather than committing indefinite time to uncertain outcomes.
Deep Neural Networks (Part III). Sample selection and dimensionality reduction
Deep Neural Networks (Part III). Sample selection and dimensionality reduction

Deep Neural Networks (Part III). Sample selection and dimensionality reduction

This article is a continuation of the series of articles about deep neural networks. Here we will consider selecting samples (removing noise), reducing the dimensionality of input data and dividing the data set into the train/val/test sets during data preparation for training the neural network.
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How to Integrate Smart Money Concepts (BOS) Coupled with the RSI Indicator into an EA

How to Integrate Smart Money Concepts (BOS) Coupled with the RSI Indicator into an EA

Smart Money Concept (Break Of Structure) coupled with the RSI Indicator to make informed automated trading decisions based on the market structure.
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Neural networks made easy (Part 29): Advantage Actor-Critic algorithm

Neural networks made easy (Part 29): Advantage Actor-Critic algorithm

In the previous articles of this series, we have seen two reinforced learning algorithms. Each of them has its own advantages and disadvantages. As often happens in such cases, next comes the idea to combine both methods into an algorithm, using the best of the two. This would compensate for the shortcomings of each of them. One of such methods will be discussed in this article.
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Automating Trading Strategies in MQL5 (Part 37): Regular RSI Divergence Convergence with Visual Indicators

Automating Trading Strategies in MQL5 (Part 37): Regular RSI Divergence Convergence with Visual Indicators

In this article, we build an MQL5 EA that detects regular RSI divergences using swing points with strength, bar limits, and tolerance checks. It executes trades on bullish or bearish signals with fixed lots, SL/TP in pips, and optional trailing stops. Visuals include colored lines on charts and labeled swings for better strategy insights.
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Brute force approach to pattern search (Part III): New horizons

Brute force approach to pattern search (Part III): New horizons

This article provides a continuation to the brute force topic, and it introduces new opportunities for market analysis into the program algorithm, thereby accelerating the speed of analysis and improving the quality of results. New additions enable the highest-quality view of global patterns within this approach.
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The Inverse Fair Value Gap Trading Strategy

The Inverse Fair Value Gap Trading Strategy

An inverse fair value gap(IFVG) occurs when price returns to a previously identified fair value gap and, instead of showing the expected supportive or resistive reaction, fails to respect it. This failure can signal a potential shift in market direction and offer a contrarian trading edge. In this article, I'm going to introduce my self-developed approach to quantifying and utilizing inverse fair value gap as a strategy for MetaTrader 5 expert advisors.
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Automating Trading Strategies in MQL5 (Part 10): Developing the Trend Flat Momentum Strategy

Automating Trading Strategies in MQL5 (Part 10): Developing the Trend Flat Momentum Strategy

In this article, we develop an Expert Advisor in MQL5 for the Trend Flat Momentum Strategy. We combine a two moving averages crossover with RSI and CCI momentum filters to generate trade signals. We also cover backtesting and potential enhancements for real-world performance.
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Developing an Expert Advisor (EA) based on the Consolidation Range Breakout strategy in MQL5

Developing an Expert Advisor (EA) based on the Consolidation Range Breakout strategy in MQL5

This article outlines the steps to create an Expert Advisor (EA) that capitalizes on price breakouts after consolidation periods. By identifying consolidation ranges and setting breakout levels, traders can automate their trading decisions based on this strategy. The Expert Advisor aims to provide clear entry and exit points while avoiding false breakouts
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Automating Trading Strategies in MQL5 (Part 16): Midnight Range Breakout with Break of Structure (BoS) Price Action

Automating Trading Strategies in MQL5 (Part 16): Midnight Range Breakout with Break of Structure (BoS) Price Action

In this article, we automate the Midnight Range Breakout with Break of Structure strategy in MQL5, detailing code for breakout detection and trade execution. We define precise risk parameters for entries, stops, and profits. Backtesting and optimization are included for practical trading.
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Automating Trading Strategies in MQL5 (Part 43): Adaptive Linear Regression Channel Strategy

Automating Trading Strategies in MQL5 (Part 43): Adaptive Linear Regression Channel Strategy

In this article, we implement an adaptive Linear Regression Channel system in MQL5 that automatically calculates the regression line and standard deviation channel over a user-defined period, only activates when the slope exceeds a minimum threshold to confirm a clear trend, and dynamically recreates or extends the channel when the price breaks out by a configurable percentage of channel width.
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Neural Networks Made Easy (Part 96): Multi-Scale Feature Extraction (MSFformer)

Neural Networks Made Easy (Part 96): Multi-Scale Feature Extraction (MSFformer)

Efficient extraction and integration of long-term dependencies and short-term features remain an important task in time series analysis. Their proper understanding and integration are necessary to create accurate and reliable predictive models.
Using Layouts and Containers for GUI Controls: The CGrid Class
Using Layouts and Containers for GUI Controls: The CGrid Class

Using Layouts and Containers for GUI Controls: The CGrid Class

This article presents an alternative method of GUI creation based on layouts and containers, using one layout manager — the CGrid class. The CGrid class is an auxiliary control that acts as a container for other containers and controls using a grid layout.
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Neural networks made easy (Part 5): Multithreaded calculations in OpenCL

Neural networks made easy (Part 5): Multithreaded calculations in OpenCL

We have earlier discussed some types of neural network implementations. In the considered networks, the same operations are repeated for each neuron. A logical further step is to utilize multithreaded computing capabilities provided by modern technology in an effort to speed up the neural network learning process. One of the possible implementations is described in this article.
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Everything you need to learn about the MQL5 program structure

Everything you need to learn about the MQL5 program structure

Any Program in any programming language has a specific structure. In this article, you will learn essential parts of the MQL5 program structure by understanding the programming basics of every part of the MQL5 program structure that can be very helpful when creating our MQL5 trading system or trading tool that can be executable in the MetaTrader 5.
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Developing a trading Expert Advisor from scratch (Part 21): New order system (IV)

Developing a trading Expert Advisor from scratch (Part 21): New order system (IV)

Finally, the visual system will start working, although it will not yet be completed. Here we will finish making the main changes. There will be quite a few of them, but they are all necessary. Well, the whole work will be quite interesting.
Raise Your Linear Trading Systems to the Power
Raise Your Linear Trading Systems to the Power

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 because the resulting equity curve growth is then geometric, or exponential, taking the form of a parabola. Specifically, we will implement a practical MQL5 variant of the Fixed Fractional position sizing developed by Ralph Vince.
Social Trading with the MetaTrader 4 and MetaTrader 5 Trading Platforms
Social Trading with the MetaTrader 4 and MetaTrader 5 Trading Platforms

Social Trading with the MetaTrader 4 and MetaTrader 5 Trading Platforms

What is social trading? It is a mutually beneficial cooperation of traders and investors whereby successful traders allow monitoring of their trading and potential investors take the opportunity to monitor their performance and copy trades of those who look more promising.
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Automating Trading Strategies in MQL5 (Part 3): The Zone Recovery RSI System for Dynamic Trade Management

Automating Trading Strategies in MQL5 (Part 3): The Zone Recovery RSI System for Dynamic Trade Management

In this article, we create a Zone Recovery RSI EA System in MQL5, using RSI signals to trigger trades and a recovery strategy to manage losses. We implement a "ZoneRecovery" class to automate trade entries, recovery logic, and position management. The article concludes with backtesting insights to optimize performance and enhance the EA’s effectiveness.
Optimization. A Few Simple Ideas
Optimization. A Few Simple Ideas

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 improvement of the MetaTrader 5 Strategy Tester. I got these ideas from the documentation, forum and articles.
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Multiple indicators on one chart (Part 04): Advancing to an Expert Advisor

Multiple indicators on one chart (Part 04): Advancing to an Expert Advisor

In my previous articles, I have explained how to create an indicator with multiple subwindows, which becomes interesting when using custom indicators. This time we will see how to add multiple windows to an Expert Advisor.
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Automating Trading Strategies in MQL5 (Part 1): The Profitunity System (Trading Chaos by Bill Williams)

Automating Trading Strategies in MQL5 (Part 1): The Profitunity System (Trading Chaos by Bill Williams)

In this article, we examine the Profitunity System by Bill Williams, breaking down its core components and unique approach to trading within market chaos. We guide readers through implementing the system in MQL5, focusing on automating key indicators and entry/exit signals. Finally, we test and optimize the strategy, providing insights into its performance across various market scenarios.
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Learn how to design a trading system by Bull's Power

Learn how to design a trading system by Bull's Power

Welcome to a new article in our series about learning how to design a trading system by the most popular technical indicator as we will learn in this article about a new technical indicator and how we can design a trading system by it and this indicator is the Bull's Power indicator.
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Automating Trading Strategies in MQL5 (Part 13): Building a Head and Shoulders Trading Algorithm

Automating Trading Strategies in MQL5 (Part 13): Building a Head and Shoulders Trading Algorithm

In this article, we automate the Head and Shoulders pattern in MQL5. We analyze its architecture, implement an EA to detect and trade it, and backtest the results. The process reveals a practical trading algorithm with room for refinement.
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Neural networks made easy (Part 6): Experimenting with the neural network learning rate

Neural networks made easy (Part 6): Experimenting with the neural network learning rate

We have previously considered various types of neural networks along with their implementations. In all cases, the neural networks were trained using the gradient decent method, for which we need to choose a learning rate. In this article, I want to show the importance of a correctly selected rate and its impact on the neural network training, using examples.
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Building and testing Keltner Channel trading systems

Building and testing Keltner Channel trading systems

In this article, we will try to provide trading systems using a very important concept in the financial market which is volatility. We will provide a trading system based on the Keltner Channel indicator after understanding it and how we can code it and how we can create a trading system based on a simple trading strategy and then test it on different assets.
MQL5 Cookbook - Multi-Currency Expert Advisor and Working with Pending Orders in MQL5
MQL5 Cookbook - Multi-Currency Expert Advisor and Working with Pending Orders in MQL5

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: trading in a specified time range, placing/modifying/deleting pending orders, checking if the last position was closed at Take Profit or Stop Loss and control of the deals history for each symbol.
Building a Social Technology Startup, Part I: Tweet Your MetaTrader 5 Signals
Building a Social Technology Startup, Part I: Tweet Your MetaTrader 5 Signals

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 service. This idea comes from a particular conception of automatic trading called computer-assisted trading. We want the cognitive abilities of human traders to filter those trading signals which otherwise would be automatically placed on the market by the Expert Advisors.
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Neural networks made easy (Part 27): Deep Q-Learning (DQN)

Neural networks made easy (Part 27): Deep Q-Learning (DQN)

We continue to study reinforcement learning. In this article, we will get acquainted with the Deep Q-Learning method. The use of this method has enabled the DeepMind team to create a model that can outperform a human when playing Atari computer games. I think it will be useful to evaluate the possibilities of the technology for solving trading problems.
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The Liquidity Grab Trading Strategy

The Liquidity Grab Trading Strategy

The liquidity grab trading strategy is a key component of Smart Money Concepts (SMC), which seeks to identify and exploit the actions of institutional players in the market. It involves targeting areas of high liquidity, such as support or resistance zones, where large orders can trigger price movements before the market resumes its trend. This article explains the concept of liquidity grab in detail and outlines the development process of the liquidity grab trading strategy Expert Advisor in MQL5.
Practical Use of Kohonen Neural Networks in Algorithmic Trading. Part I. Tools
Practical Use of Kohonen Neural Networks in Algorithmic Trading. Part I. Tools

Practical Use of Kohonen Neural Networks in Algorithmic Trading. Part I. Tools

The present article develops the idea of using Kohonen Maps in MetaTrader 5, covered in some previous publications. The improved and enhanced classes provide tools to solve application tasks.
How to Quickly Create an Expert Advisor for Automated Trading Championship 2010
How to Quickly Create an Expert Advisor for Automated Trading Championship 2010

How to Quickly Create an Expert Advisor for Automated Trading Championship 2010

In order to develop an expert to participate in Automated Trading Championship 2010, let's use a template of ready expert advisor. Even novice MQL5 programmer will be capable of this task, because for your strategies the basic classes, functions, templates are already developed. It's enough to write a minimal amount of code to implement your trading idea.
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Cascade Order Trading Strategy Based on EMA Crossovers for MetaTrader 5

Cascade Order Trading Strategy Based on EMA Crossovers for MetaTrader 5

The article guides in demonstrating an automated algorithm based on EMA Crossovers for MetaTrader 5. Detailed information on all aspects of demonstrating an Expert Advisor in MQL5 and testing it in MetaTrader 5 - from analyzing price range behaviors to risk management.
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Creating an EA that works automatically (Part 11): Automation (III)

Creating an EA that works automatically (Part 11): Automation (III)

An automated system will not be successful without proper security. However, security will not be ensured without a good understanding of certain things. In this article, we will explore why achieving maximum security in automated systems is such a challenge.
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Multiple indicators on one chart (Part 06): Turning MetaTrader 5 into a RAD system (II)

Multiple indicators on one chart (Part 06): Turning MetaTrader 5 into a RAD system (II)

In my previous article, I showed you how to create a Chart Trade using MetaTrader 5 objects and thus to turn the platform into a RAD system. The system works very well, and for sure many of the readers might have thought about creating a library, which would allow having extended functionality in the proposed system. Based on this, it would be possible to develop a more intuitive Expert Advisor with a nicer and easier to use interface.
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Developing a trading Expert Advisor from scratch (Part 18): New order system (I)

Developing a trading Expert Advisor from scratch (Part 18): New order system (I)

This is the first part of the new order system. Since we started documenting this EA in our articles, it has undergone various changes and improvements while maintaining the same on-chart order system model.
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Creating Graphical Panels Became Easy in MQL5

Creating Graphical Panels Became Easy in MQL5

In this article, we will provide a simple and easy guide to anyone who needs to create one of the most valuable and helpful tools in trading which is the graphical panel to simplify and ease doing tasks around trading which helps to save time and focus more on your trading process itself without any distractions.
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Testing different Moving Average types to see how insightful they are

Testing different Moving Average types to see how insightful they are

We all know the importance of the Moving Average indicator for a lot of traders. There are other Moving average types that can be useful in trading, we will identify these types in this article and make a simple comparison between each one of them and the most popular simple Moving average type to see which one can show the best results.
Other classes in DoEasy library (Part 72): Tracking and recording chart object parameters in the collection
Other classes in DoEasy library (Part 72): Tracking and recording chart object parameters in the collection

Other classes in DoEasy library (Part 72): Tracking and recording chart object parameters in the collection

In this article, I will complete working with chart object classes and their collection. I will also implement auto tracking of changes in chart properties and their windows, as well as saving new parameters to the object properties. Such a revision allows the future implementation of an event functionality for the entire chart collection.