It is a program that runs on the MT4 and MT5 platforms and can automatically monitor and execute trades without direct intervention from the trader. Upon installation, the Expert Advisor will trigger alerts, notifications, and even trading actions based on market conditions that the Expert Advisor is programmed to track, generating automatic trading signals and informing you of trading opportunities.
To set up your Expert Advisor, please check out our article:
How can I install an Expert Advisor on MetaTrader 4?
What to consider when choosing Expert Advisors:
Read reviews about the expert advisors you plan to buy.
Ensure that the expert advisor aligns with your trading needs.
Conduct back testing and test the Expert Advisor's performance beforehand on a demo account.