The Most Popular Trading Platforms in the World
MetaTrader 4 (MT4) and MetaTrader 5 (MT5) are the two dominant retail trading platforms globally, both developed by MetaQuotes Software. Despite their similar names, they are fundamentally different applications — not simply newer and older versions of the same software.
Understanding these differences will help you choose the platform that best fits your trading style, instruments, and technical needs.
Side-by-Side Comparison
| Feature | MetaTrader 4 | MetaTrader 5 |
|---|---|---|
| Release Year | 2005 | 2010 |
| Primary Market Focus | Forex | Forex, Stocks, Futures, Commodities |
| Programming Language | MQL4 | MQL5 |
| Timeframes | 9 | 21 |
| Built-in Indicators | 30 | 38 |
| Order Types | 4 pending orders | 6 pending orders |
| Hedging | Yes (netting optional) | Both netting and hedging modes |
| Economic Calendar | No (third-party) | Yes (built-in) |
| Depth of Market | No | Yes |
| Strategy Tester | Single-threaded | Multi-threaded, multi-currency |
MetaTrader 4: Strengths and Best Use Cases
MT4 has remained the most widely used forex trading platform for good reason. Its simplicity, stability, and massive ecosystem of third-party tools give it staying power even decades after its release.
- Massive indicator and EA library — the MQL4 marketplace has tens of thousands of tools
- Lower system requirements — runs smoothly on older hardware
- Broad broker support — most forex brokers still offer MT4
- Familiar interface — huge community of experienced users and tutorials
Best for: Forex-focused traders, algorithmic traders using existing MQL4 EAs, and traders who prefer simplicity.
MetaTrader 5: Strengths and Best Use Cases
MT5 was built for multi-asset trading and offers a significantly more modern architecture. If you trade beyond just forex — including stocks, futures, or commodities — MT5 is the more capable platform.
- Multi-asset support — access equities, futures, and options through the same platform
- Superior backtesting — multi-threaded strategy tester allows faster and more accurate optimization
- More timeframes and order types — greater granularity for analysis and execution
- Built-in economic calendar — fundamental analysis without leaving the platform
- Depth of Market (DOM) — see order book data for better execution insight
Best for: Multi-asset traders, developers writing new automated strategies, and traders who want more analytical depth.
Can You Use Both?
Yes. Many brokers offer both platforms, and you can run them simultaneously. Some traders keep MT4 for established forex EAs while using MT5 for stock or futures trading on the same broker account infrastructure.
A Note on Expert Advisors
Importantly, MQL4 code does not run on MT5 and vice versa. If you have existing EAs written for MT4, they will need to be rewritten in MQL5 to work on MT5. This is a significant practical consideration for algorithmic traders with established systems.
Which Should You Choose?
If you trade forex only and value a large existing ecosystem of tools — choose MT4. If you trade multiple asset classes, want modern backtesting, or are building new automated strategies from scratch — choose MT5. When in doubt, check which platform your broker supports best, as some are beginning to phase out MT4 support.