Articles with examples of trading robots developed in MQL5

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An Expert Advisor is the 'pinnacle' of programming and the desired goal of every automated trading developer. Read the articles in this section to create your own trading robot. By following the described steps you will learn how to create, debug and test automated trading systems.

The articles not only teach MQL5 programming, but also show how to implement trading ideas and techniques. You will learn how to program a trailing stop, how to apply money management, how to get the indicator values, and much more.

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Considering Orders in a Large Program
Considering Orders in a Large Program

Considering Orders in a Large Program

General principles of considering orders in a large and complex program are discussed.
Working with Files. An Example of Important Market Events Visualization
Working with Files. An Example of Important Market Events Visualization

Working with Files. An Example of Important Market Events Visualization

The article deals with the outlook of using MQL4 for more productive work at FOREX markets.
Error 146 ("Trade context busy") and How to Deal with It
Error 146 ("Trade context busy") and How to Deal with It

Error 146 ("Trade context busy") and How to Deal with It

The article deals with conflict-free trading of several experts on one МТ 4 Client Terminal. It will be useful for those who have basic command of working with the terminal and programming in MQL 4.
Expert Advisor Sample
Expert Advisor Sample

Expert Advisor Sample

The principles of MQL4-programs development are shown on sample of creating a simple Expert Advisor system based on the standard MACD indicator.
Testing Features and Limits in MetaTrader 4
Testing Features and Limits in MetaTrader 4

Testing Features and Limits in MetaTrader 4

This article allows to find out more about features and limits of Strategy Tester in MetaTrader 4.
Features of Experts Advisors
Features of Experts Advisors

Features of Experts Advisors

Creation of expert advisors in the MetaTrader trading system has a number of features.