General properties of Expert Advisor.Īfter that, the program template (Expert Advisor, Indicator or Script) will be created, that you may edit and fill with your code: On the next step, you can specify program name, information about the author, and parameters, that will be requested from user after launching the program.įigure 4. In MQL5 Wizard window choose the type of the program you want to create: In MetaEditor 5 window choose New from File menu or press Ctrl+N. To write a program (Expert Advisor, Indicator or Script), you can launch MetaTrader 5 Client Terminal and choose MetaQuotes Language Editor from Tools menu, or simply press F4 key. The pieces of code, located in the other files, can be included in the text of the program, written in MQL5. Script - is a program that allows to perform some sequence of operations at once.Įxpert Advisors, Indicators and Scripts may call functions of MQL5 standard library and DLL functions, including the operation system libraries.Indicator - is a program that allows to present data in graphical form, that is convenient for analysis.An Expert Advisor can perform trade operations, open and close positions, and manage pending orders. An Expert Advisor allows you to implement the trade system for automated trading (the trading operations can be performed without a trader). Expert Advisor - is a program, that trades according to some specified algorithm.The Client Terminal has built-in programming language MQL5, that allows you to write several types of programs with different purpose: Deal - is a fact of execution of some order by broker, which leads to opening, modifying or closing position.Order - is an order to buy or to sell some amount of financial instrument under certain conditions.Position - is a market commitment, the number of bought or sold financial instrument's contracts.Particularly, the concepts of deal, position and order have been refined. MetaTrader 5 differs from its predecessor - MetaTrader 4. MetaTrader 5 trading platform allows you to perform technical analysis of financial instruments and to trade, both manually and in automatic mode. This article may be useful for those, who are familiar with MQL4, and also for newbies, who are just beginning to program trading systems and indicators. Information contained in MQL5 built-in help is sufficient to study the language. The article details and full description of MQL5 can be found in MQL5 Reference, included in MetaTrader 5. We will also consider some details of MQL5 language, that are necessary to understand these examples. The simple examples of how to write an Expert Advisor and Custom Indicator are presented in this article. This article will help you to get acquainted with this new programming language. MetaQuotes Programming Language 5 (MQL5), included in MetaTrader 5 Client Terminal, has many new possibilities and higher performance, compared to MQL4.

Mql code examples