There are two main versions of MetaTrader: MetaTrader 4 (MT4) and MetaTrader 5 (MT5). MT4 was released in 2005 and is the more widely used version. MT5 was released in 2010 and is an updated and more advanced version of MT4.

MT4 offers a variety of features, including advanced charting tools, customizable indicators, and the ability to use Expert Advisors (EAs) for automated trading. It also allows for hedging and supports multiple order types.

MT5 offers similar features to MT4 but with added functionality, such as a greater number of timeframes, more order types, and the ability to trade in different asset classes, including stocks and futures. It also has a more advanced strategy tester and offers more analytical tools.

Both MT4 and MT5 are popular among traders due to their ease of use, customizability, and ability to automate trading strategies.

MetaTrader, a popular trading platform, has two main versions: MetaTrader 4 (MT4) and MetaTrader 5 (MT5).

1. MetaTrader 4 (MT4): Released in 2005, MT4 is tailored for forex trading. It offers a user-friendly interface, customizable charts, technical indicators, and automated trading through Expert Advisors (EAs). MT4 is favored for its simplicity and strong focus on currency trading.

2. MetaTrader 5 (MT5): Launched in 2010, MT5 supports more asset classes, including stocks, commodities, and futures. It features an economic calendar, advanced charting tools, and more timeframes compared to MT4. MT5 also allows for multi-asset trading and has improved order management options, making it suitable for more complex strategies.

Both versions offer mobile apps for on-the-go trading.