Top MQL4 and MQL5 source codes based on user ratings - 8

A simple Expert Advisor that trades when the price forms the "Three From Within" pattern.

This EA will scan all the open trades and then print the nth trade from the end

Linear Regression Line

The CDebugLogger class is a flexible and comprehensive logging utility designed for use in MQL4/5 environments. It allows developers to log messages at various levels of importance (INFO, WARNING, ERROR, DEBUG) with options to include timestamps, function signatures, file names, and line numbers in the log entries. The class supports logging to both the console and files, with the ability to save logs in a common folder and in CSV format. Additionally, it offers functionality to silence logs based on specific keywords, ensuring that sensitive information is not logged. This class is ideal for developers looking to implement robust logging mechanisms in their MQL4/5 applications, with customizable features that cater to a wide range of debugging and monitoring needs.

Serialization and deserialization of the JSON format

Kuskus Starlight is an oscillator that utilizes a Fisher price transformation to identify trends and potential reversals. The original MT4 code by Scriptor is available at: https://www.mql5.com/en/code/8365.

Price Alert MetaTrader indicator — can issue any type of alert when the price reaches certain levels set by a trader. There are three types of price levels: the first one is used when the price rises above certain level (displayed with the green line on the chart), the second one is used when the price falls below certain level (displayed with the red line on the chart), and the third one is used when the price reaches the certain level exactly (displayed with the yellow line). Three alert types include: native (popup), email, and push-notification. For email and push-notification alert features to work, you need to set up the email or MetaQuotes ID settings in your MetaTrader platform options window. The indicator is available for both MT4 and MT5.

Calculate a moving average in one function call. Code that can easily be transported between different projects.

A compound interest calculator for the trader. Calculates, based on your parameters, your risk of ruin, and the optimal risk per trade. Gives a forecast of your capital size in a year, month, and at the end of the term.

The MACD Coloured Histogram is an enhanced version of the classic MACD (Moving Average Convergence Divergence) indicator, designed to provide a clearer and more intuitive visual analysis of market momentum. This indicator combines traditional MACD functionalities with a dynamic histogram that changes colour based on the relationship between the MACD Line and the Signal Line, allowing traders to quickly identify trends, reversal points and moments of indecision in the market.

A hybrid sorting algorithm that provide fast performance for sorting arrays of simple types, structures or object pointers.

This is a simple mean reversion EA

Professional Expert Advisor that automatically manages risk and calculates position size based on real market volatility (ATR). Intelligent capital protection system with dynamic stop loss mechanism, suitable for traders who want strict risk control.

This indicator detects bullish and bearish engulfing candlestick patterns with an optional volume filter to highlight stronger signals.

Constructor for creating histograms of statistical distributions of indicators, timeseries and their derivatives.

Tester's single pass data.

Searches for Wick or Body based High low in visible bars of chart

MQL5 version of harmonic moving average

Bollinger Bands with controllable outer band smoothing (post smoothing)

A demonstration on how to modify objects in an indicator without having the source code

A real-time monitoring tool for MetaTrader 5 that displays key financial data, allows quick symbol switching, and customizable symbol lists. Save and reload symbols, reset lists, and customize text and panel colors for a personalized trading experience.

A price increase indicator calculates margin and price changes in per cent.

A dynamic trendline-based evolution of the Donchian Channel

TardioBot V1.05, named after of a historical figure Giuseppe Tardio, is an Expert Advisor designed for MetaTrader 5 that employs a triangular arbitrage strategy.

It is a zigzag which creates new zigzag turning points based on passing a volatility threshold

This is a RSI of High, Low, Open and Close displayed as color candles in it's own sub-window.

A simpler way to display Heikin Ashi

This is an indicator for showing volume profile on the chart, using simple calculations and very fast execution.

RSI adaptive indicator based on tick calculations

BreakRevertPro EA merges breakout and mean reversion strategies with adaptive SL/TP and multi-timeframe ATR trailing stops for flexible trading in volatile markets.

Trade server disconnect alerts utility for MT5.

Simple_Grid is the simplest "grid" EA.

A very simple, efficient and non-obtrusive clock for your Chart. KISS compliant! :)

Calculate the cosine distance and similarity between 2 vectors . The cosine distance is 1-cosine_similarity and the cosine similarity is the dot product of two vectors by their magnitudes multiplied.

Candlestick Fitness concept is used in coding HFT Algos based on population optimization algorithms.

The book "Neural networks in algorithmic trading with MQL5" is a comprehensive guide, covering both the theoretical foundations of artificial intelligence and neural networks and practical aspects of their application in financial trading using the MQL5 programming language.

A customized bid and ask line which is labelled and clear to help visualize the bid and ask prices

Quantum System - Uses quantum states and probabilities to make decisions.

This class allows you to create buttons on the chart as if they were chart objects(have time and price coordinates) these objects can be dragged on the chart and when scrolling they stay at the same place. If you wan't to learn some Object Oriented Programming or if you wan't to understand how chartevents work or you wan't to create graphical interfaces, you can learn a lot from this.

MACD variation that uses Nonlag MA.