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How to Write an Expert Advisor or an Indicator

Top libraries for MetaTrader 5 based on user ratings - 2

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This class contains functions for working with colors. It has color conversion and other useful functions.

Synchronize ОС/EA/MT processes etc. Any self-made DLLs are not needed now.

The class restricts the EA trading by time. It has flexible configuration options, which allow to set a custom number of the time zones, and also to allow trading only on the specified week days.

A library for creating icons in the Windows taskbar and for sending text alerts. The use of this library will help you make your MQL programs more informative.

Calendar - fundamental analysis on history and real-time.

Filter based on the Intraday time filter offered by the standard library.

This library allows to automate the process of connecting to a trade server after the "Account disabled" error occurs.

The library makes indicators' Init/Deinit synchronized

The library that contains various statistical functions including the calculation of an average value, variance, asymmetry, excess, covariation, correlation etc.

A class for a transparent button.

This simple class can be used to adjust, for example, trading ranges, or to enable / disable certain actions by time or day of the week.

Here are 6 classes, designed for convenient and intuitive use of indicators in your code.

NELODI Trading Terminal is a collection of Indicators and an Expert Advisor, which work together to provide a complete solution for manual Trading, primarily designed for Scalping.

Sort the input array in-place using comparison function less.

The goal is to make the function readily available for any Telegram integration task in MQL5 development. By adding this file to your CodeBase, you can simply include it in your Expert Advisors and call the function directly from the included module. This eliminates the need to redevelop the code from scratch repeatedly, ensuring reusability across multiple projects.

Class for the calculation of the ENUM_STATISTICS enumeration parameters

Classes for working with databases through ODBC and OLE DB interfaces

A class for creation and output of BMP images.

Crossover of overbought/oversold levels of Chande Momentum Oscillator is used as a signal to open positions.

Trading signals module for MQL5 Wizard. SuperTrend indicator's color dot serves as a market entry signal.

Graphical control for pixel drawing.

The class allows to organize the mini time series, indicator minibuffers, short sized buffers to store intermediate stream data inside the Expert Advisor or indicator.

The module for tracking open positions based on Delta ZigZag for MQL5 Wizard.

MqlParams container class that uses method chaining to quickly add params and reduce lines of code.

A library for creating analog clocks using MetaTrader 4/5 graphical resources.

A library for common rounding methods used in MQL development, primitive wrapper class for type (double), and vector for CDouble objects. MQL5 and MQL4 compatible!

Libraries based on the article "Random decision forest in reinforcement learning"

The CDemaOnArray class is intended for calculation of DEMA (Double Exponential Moving Average) on an indicator buffer.

CCHOOnArray class is designed for calculation of Chaikin Oscillator (CHO) values on indicator buffers. Test_CHOOnArray indicator is provided as the example of the class use.

Class implements neural network of radial basis functions (Radial Basis Function Network - RBFN)

The class realizes the probabilistic neural network (Probabilistic Neural Network - PNN)

A library of classes for creating a user-friendly interface of your programs.

Regular expressions provide a formal language for quick and flexible processing of texts. Each regular expression is a pattern (mask), for which the regular expression engine tries to find matches in the source text. A pattern consists of one or more character literals, operators, or constructs.

This time-series library brings lightning-fast timeseries access to MQL5 for time-sensitive applications while implementing the familiar methods of MQL4, e.g. iBarShift.

A library for working with traditional and custom symbols

Printing GetLastError() and MqlTradeResult retcode as text description.

Virtual trading environment

Long Short-Term Memory Neural Network - for time series analysis.

EasyXML is a native MQL5 XML Parsing Library. It can parse XML from three different sources: URL, File and String Input. It is completely object oriented and strives to integrate neatly with MQL5, as it utilizes CObject and CArrayObj from the MQL5 standard library to store the DOM.

Trend indicator similar to Ichimoku Kinko Hyo, with a number of drawing options and calculation parameters.

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