How to create an Expert Advisor


for example, forex

Of course first of all You should have an idea in what you trading strategy lies, and what You want to program. Principles of creating a trading strategy are described in detail in the section «Trading strategies», that’s why we lay it down as an axiom that You know what you do, i.e. a trading algorithm you want to program in the form of an Expert Advisor in the MetaQuotes Language 4 has already formed in your head. So, let’s begin…

Launch MetaTrader 4
Launch MetaTrader 4

The «Navigator» window allows to get quick access to different features of the program. The list of features is given in the form of a dendrogram and contains five groups:

  • «Accounts» — the list of accounts.
  • «Indicators» — the list of available technical analysis indicators.
  • «Expert Advisors» — the list of available expert advisors.
  • «Customer indicators» — the list of all available customer indicators, i.e. programs written in the MetaQuotes Language 4 and realizing the function of an indicator.
  • «Scripts» — customer functions libraries, meant to store frequently used blocks of customer programs.

Click the right mouse button on any of the available Expert Advisors. The contextual menu will appear:

  • Attach to a chart — «attach» the expert advisor the active chart. It means that tick by tick in the given currency pair the expert advisor will perform actions programmed by the trader.
  • Modify — call MetaQuotes Language Editor and start editing the code of the Expert Advisor.
  • Delete — delete the Expert Advisor.
  • Create — create a new Expert Advisor.
  • Add to favorites — to add the Expert Advisor to tabs (tab «Favorites» of «Navigator» window) for subsequent quick access to the Expert Advisor.
  • Set hotkey — set «hot» key for the selected Expert Advisor.

As You for sure have already guessed You should choose the point «Create». As a result the MetaQuotes Language Editor window will open and You will be able to proceed to creating your first expert advisor.


Next article: "How to customize parameters"

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