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MetaTrader 4 (MT4) Explained: What It Is and How It Works

If you have ever searched for Forex or CFD trading or brokers, you have most likely come across MetaTrader 4. It’s where brokers all over the world offer it as standard, where the majority of retail traders make their primary live trades, and where it’s home to decades of community-developed indicators and automated trading tools. For many traders, MT4 and trading are practically synonymous.

MetaTrader 4 is an online trading platform created by MetaQuotes Software Corp. But over the past 20 years, it has been the only trading platform that got the basics right: it’s reliable, it has great charting, its environment is programmable for automation, and, most importantly, it’s supported by a vast number of brokers, making it available to everyone.

This guide explains what MetaTrader 4 is, its main features, how to download and install it, charting and analysis tools, Expert Advisors, the advantages and disadvantages of using MT4, and how it compares to its replacement, MetaTrader 5.

Quick Answer

MetaTrader 4 is a trading platform developed by MetaQuotes Software Corp for forex and CFD trading. Here are the key features: multi-timeframe charting, more than 30 built-in technical indicators, automated trading with Expert Advisors (EAs), and one-click order execution. There are regulated brokers that offer MT4 for free, and it’s also downloadable for Windows, Mac, iOS, and Android.

What Is MetaTrader 4?

MetaTrader 4 is a trading platform developed by MetaQuotes Software Corp, which gives retail traders access to forex, CFD, and metals markets through their broker, allowing them to access charting, execute orders, technical analysis, and even automate trading in a single platform.

MT4 was launched in 2005 when retail forex trading was gaining momentum. Before MT4, traders relied on a disjointed array of proprietary trading platforms boasting varying charting functionalities, automation options, and reporting features. MetaQuotes developed a platform that adopted many aspects of the retail trading platform, such as the same programming language, charts, indicators, and order types, regardless of the broker the trader used.

That standardization is one reason why MT4 was so competitive. A trader who has learned to use the platform at one broker will be able to transfer to another broker, log in to the platform using the same interface, import the saved templates, and continue trading with minimal hassle.

The whole retail trading community (millions of traders who share indicators, EAs, and strategies, and who all code their strategies in the same language) has created a network effect that has kept MT4 alive even as MT5 has arrived.

MT4 remains the most widely used retail trading platform in the world and is still used for forex pairs, spot metals (gold/silver), indices, and CFD trading across most asset classes supported by retail brokers.

Key Features of MT4

MT4’s feature set includes everything a retail trader requires for technical analysis, order management, and trading automation, and it runs on most hardware without additional system requirements.

FeatureDescriptionHow Traders Use It
9 chart timeframesFrom 1-minute (M1) to monthly (MN)Compare prices over different time periods at the same time
30+ built-in indicatorsTechnical indicators pre-installedApply directly to charts without downloading
MQL4 programming languageCustom indicator and EA development languageBuild or modify trading tools and automation
Multiple order typesMarket, limit, stop, stop-limit ordersExecute trades with precise entry and exit control
One-click tradingSingle-click order execution from the chartFast entry for active traders
Mobile appiOS and Android appsMonitor and manage positions away from the desktop
Strategy testerHistorical backtesting for EAsTest automated strategies on past data before live trading
Multiple chart windowsOpen several charts simultaneouslyMonitor multiple instruments and timeframes at once
Template savingSave chart layouts, indicator settingsApply consistent setups across multiple instruments
Alert systemPrice and indicator-based alertsGet notified of key levels without constantly monitoring

Timeframes

Nine chart timeframes — M1 (1-minute), M5, M15, M30, H1 (1-hour), H4, D1 (daily), W1 (weekly), and MN (monthly) — cover every relevant analysis horizon from scalping to long-term position trading. Most advanced traders will trade across multiple time frames: a higher time frame for recognizing the overall trend direction and major structural levels, and a lower time frame to time the entry.

This multi-timeframe analysis method is simple to implement on the MT4 platform, and you can have multiple chart windows open at the same time, each with a different time frame on the same chart.

Order Types

MT4 is programmed with all order types required for structured trading. Market orders will be executed at the current market price. Limit orders only execute at or better than the specified price; good for getting in at specific prices without chasing price.

Stop orders are executed at a price different from the market price, typically for breakout entries or to set up stop-loss protection. Stop-limit orders combine both. Knowing which type of order to employ in which scenario is a fundamental trading ability, and MT4 has the necessary order types covered comprehensively.

Alert System

MT4’s alert feature enables traders to configure alerts when the price reaches a specific level or an indicator crosses a defined threshold. This is very convenient for traders who keep an eye on a variety of instruments.

Instead of following all the charts all the time, they can set up alerts at specific levels and receive an alert when those levels are triggered. Alerts can trigger sounds, send emails, or send push messages to the mobile app.

How to Download and Set Up MT4

MT4 is not downloaded directly from the MetaQuotes site; instead, it is accessed via the broker’s download link, which contains a pre-configured version hosted on the broker’s servers.

Platform Availability

PlatformHow to Access
WindowsDownload the MT4 installer from your broker’s website
MacVia broker’s web trader, or Windows MT4 through Wine or a virtual machine
iOSDownload the MetaTrader 4 app from the Apple App Store
AndroidDownload the MetaTrader 4 app from the Google Play Store

The Download and Setup Process

The first step is to register a trading account (demo or real) with a regulated MT4 broker. After the account is activated, the broker will provide a link to download the installation file for their own MT4. This installer is pre-configured with the broker’s server addresses.

Once installed, MT4 will display a login screen. Enter the account number and password provided by your broker, then choose the broker’s server from the drop-down menu and connect. MT4 can be loaded with live or demo market data, and when you log in to your account, you can see your balance, open positions, and transaction history in the platform’s interface.

MT4 is always downloaded from the broker instead of being downloaded directly from MetaQuotes because of this broker-specific configuration. All brokers use their own MT4 installation, pricing feeds, and account management systems. The core platform’s functionality is the same, but the specific broker determines the list of instruments, spreads, and account conditions.

MT4 for Mac

MetaTrader 4 was built natively for Windows. Mac users have several practical options. Most brokers now offer a WebTrader — a browser-based version of their trading platform that provides chart analysis, order management, and account monitoring without requiring any installation. For traders who specifically need the full desktop MT4 experience on Mac, running the Windows version through Wine (a compatibility layer that allows Windows applications to run on macOS) is the most common approach. Some traders use a Windows virtual machine through Parallels or similar software. The specifics vary by broker — most provide Mac-specific setup guidance in their support resources.

MetaTrader 4 has been designed specifically for Windows. Most brokers now offer a WebTrader — a browser-based version of their trading platform that provides chart analysis, order management, and account monitoring without requiring any installation. For traders who specifically need the full desktop MT4 experience on Mac, running the Windows version through Wine (a compatibility layer that allows Windows applications to run on macOS) is the most common approach.

Some traders prefer to use a Windows virtual machine using Parallels or other software. These details vary from one broker to another, but most provide instructions for setting up your Mac in their support sections.

Demo vs Live Accounts

MT4 offers both demo and live trading accounts. Demo trading lets you trade with virtual money using real market prices and the same trading platform features. If you are new to trading and want to get MT4 running for the first time, it is highly recommended to use a demo account. It allows you to familiarize yourself with the platform’s interface, practice placing and managing trades, test indicator combinations, and monitor market dynamics without risking your money.

Most brokers offer demo accounts immediately, which can be used for weeks or months without the need for a live deposit.

Real-world example: A trader in Mumbai opens a live account with the broker of his choice, gets an account number and a password via email. Then, he downloads the broker’s MT4 Installer from the broker’s website, installs the MT4 software on his Windows laptop, logs in with the credentials he got from the broker, and in less than five minutes, he has charts of the EUR/USD currency pair displaying in front of him, and the amount of money in his account is visible.

Most users can download and place their first practice order in a demo in under 15 minutes. That ease of setup is one of the reasons MT4 still offers the best accessibility for beginners compared to more technologically advanced options.

MT4 Charts and Technical Analysis Tools

Most traders spend most of their time in MT4’s charting environment. At the same time, the technical analysis toolset is pre-installed and contains all indicators and drawing tools essential for the most common trading strategies.

Chart Types

MT4 offers three ways to display charts. Line charts show the overall trend of prices over time — good for showing overall price direction but not detailed intraperiod information. Bar charts (OHLC) show the open, high, low, and close for each period as vertical bars with horizontal tick marks.

The most popular are candlestick charts that display the same OHLC data as bar charts but in a visually cleaner format where the body (open-to-close range) and wicks (high-low range) are immediately readable at a glance.

The majority of MT4 traders use candlestick charts because there are well-established methods for analyzing candlestick patterns, and these strategies are widely shared.

Built-In Technical Indicators

MT4 offers more than 30 indicators, which are preprogrammed in the main analytical categories:

  • Trend indicators include moving averages (simple moving, exponential, weighted, and smoothed), Bollinger Bands, Parabolic SAR, and Ichimoku Kinko Hyo. These help traders determine the direction of the trend, changes in momentum, and dynamic support and resistance.
  • Momentum indicators include the Relative Strength Index (RSI), Moving Average Convergence Divergence (MACD), and Stochastic Oscillator. They help gauge the velocity and intensity of price fluctuations and can spot overbought or oversold conditions and trend reversals.
  • Volume indicators are indicators that show the volume of trading activity relative to price movements and provide context for price movements, such as the standard Volume indicator or OBV (On Balance Volume).
  • Oscillators include the CCI (Commodity Channel Index), Williams %R, and Momentum, which provide additional indicators for both mean-reversion and trend-following strategies.

Drawing Tools and Templates

The drawing tool set in MT4 is used directly on the charts and features trend lines, horizontal lines, Fibonacci retracement and extension, channel, rectangle, ellipse, and text annotation. Chart layouts, indicator combinations, and drawing tool settings can be saved as templates and reused in any chart with one click. This template function is particularly useful for traders who trade multiple assets and would like to use the same analytical setup across them.

Adding Custom Indicators

In addition to the built-ins, MT4 has a vast collection of MQL4-coded custom indicators. They’re available on the MetaTrader exchange, on third-party indicator websites, and in trading forums. Traders can access thousands of indicators besides the standard ones by copying the indicator file to the MT4 data folder and restarting the platform.

Popular custom indicators include variations of common indicators, volume profiles, market structure indicators, and proprietary trading tools developed by traders over many years of market experience.

Expert Advisors (EAs) in MT4

Expert Advisors are automated trading programs that place trades according to a predefined set of rules — eliminating the need for manual trading and allowing strategies to be executed automatically 24 hours a day without the trader at their screen.

What EAs Do

An EA is an MQL4 program that executes inside MT4 and monitors price conditions, evaluates indicator values, and makes trades automatically when certain conditions are met. A simple EA can automatically execute buy signals when the 50-period MA crosses above the 200-period MA, set the stop loss at the recent swing low, and set a take profit at a specific risk/reward ratio.

Advanced EAs can handle several trades, dynamically adjust stop losses during the trading process, and use a combination of multiple conditions on different time frames.

How to Obtain EAs

EAs can be developed from scratch by traders who master MQL4 programming. MetaQuotes offers detailed documentation and an integrated MQL4 editor (MetaEditor) in MT4 to make development easy. Pre-built EAs are available on the MetaTrader Marketplace, a platform that offers free and paid EAs, or can be found in trading communities and from different providers. The quality and reliability of third-party EAs are very different — always verify the source and background of any EA before using it with real capital.

Backtesting in the Strategy Tester

MT4 comes with a built-in Strategy Tester that enables traders to test an EA against historical data to see how it would have performed in the past over a specific time period. The backtest output includes a list of all trade entries and exits, net profit or loss for each trade, the maximum drawdown during the trading period, and the total period return. Historical testing provides a way for traders to get a sense of whether an EA is worth investing in with real money by using the data to make their judgment.

There are limitations to consider when backtesting, and every trader should be aware of them. Historical performance is no guarantee of future performance: market conditions, correlations, liquidity characteristics, and more change over time.

The EA, which does very well in a trending market, can do very badly in a ranging market. A frequent issue that occurs is overfitting – adjusting the parameters of an EA based on the historical data against which it has been tested – and this is the reason why impressive backtest statistics tend to be produced with a mediocre performance on the live market. Never use backtest results as a certainty of what will happen next.

EA Risk and Oversight

EAs run continuously on a connected MT4 instance, placing and managing trades without manual oversight. This automation has real pros — it takes emotion out of the execution — and can execute more quickly than any human trader based on a signal.

However, it also carries the danger that losses can build up without anyone being around if the EA’s logic is wrong, if the market conditions change drastically, or if there is a technical problem.

Those who use EAs for live trading should also track their performance regularly, follow the maximum drawdown rules, and have specific guidelines on when they would stop or even temporarily suspend a particular EA that is acting in an unusual way.

EAs are NOT guarantees of profits. There’s a lot of risk when using automated trading; in fact, an automated EA can lose money just as easily as it can make money if the market moves against the logic and concepts that the EA was designed to capitalize on.

MT4 Pros and Cons

MT4 has proven to be a powerful trading platform over the years, and there are strong points to it, but there are also definite drawbacks that traders need to be aware of, especially if they are looking for a platform to trade for the long term.

ProsCons
Supported by more brokers than any other platformOlder codebase — fewer native modern features than MT5
Largest community of indicators, EAs, and shared resourcesLimited to forex, CFDs, and metals — not stocks or futures natively
Lightweight and stable — runs on most hardwareMQL4 code is not compatible with MT5
Strong backtesting capability through Strategy TesterOnly supports hedging account type (not netting)
Consistent interface across all brokersNo economic calendar built in natively
Free through any supporting brokerFewer built-in timeframes and indicators than MT5
Template saving simplifies multi-instrument workflowsLimited depth of market data compared to MT5

Why MT4 Still Has Value

Despite being two decades old, MT4 retains genuine advantages that keep it relevant for a large proportion of the retail trading community. MT5’s broker support network is much broader than MT4 — especially for brokers who specialize in Forex and CFD trading, where MT4’s original design features apply.

The shared indicators and the EAs community are bigger than any other platform’s community. Switching from MT4 to MT5 is a major hurdle for traders who have created their trading workflow around MT4’s interface, templates, and custom tools, including their own proprietary indicators, which they built or modified.

Where MT4 Falls Short

MT4’s limitations become most apparent for traders who want multi-asset coverage beyond forex and CFDs, more sophisticated order management options, faster backtesting for complex EAs, or built-in access to an economic calendar. The platform’s age is reflected in its interface as opposed to newer platforms — many traders find the familiar interface an advantage, and not a disadvantage.

The MT4 trading platform pros and cons guide dives into every dimension with real-world examples of the advantages, the limitations, and the practical considerations for traders of different types in the MT4 trading platform.

Despite the fact that there is a new version of the platform and many other similar platforms are available, thousands of broker servers are still running MetaTrader 4, and tens of millions of users are still registered, according to MetaQuotes.

MT4 vs MT5: Which Is Right for You?

MT4 and MT5 are both platforms by MetaQuotes, but they are not just upgraded versions of the other; they are different products with different strengths, and they will differ depending on the trader and the types of trades they are making.

FeatureMT4MT5
Asset classesForex, CFDs, spot metalsForex, CFDs, stocks, futures, options
Built-in indicators30+38+
Timeframes921
Programming languageMQL4MQL5 (not backward compatible)
EA compatibilityMQL4 EAs onlyMQL5 EAs only
Account typeHedging onlyBoth hedging and netting
Order types46
Economic calendarNot built inBuilt in
Strategy testerSingle-threadedMulti-threaded (faster backtesting)
Depth of marketLimitedFull DOM display
Best forForex and CFD tradersMulti-asset traders

The Compatibility Issue

The most significant difference between MT4 and MT5, aside from practical use, is the compatibility with EAs and indicators. MQL4 and MQL5 cannot be interchanged — an EA developed in MQL4 cannot be run in MQL5 and vice versa. Traders who already have MT4 EAs that they use will need to either rebuild their existing EAs for MT5 or get them from somewhere else. It’s a real cost and is one of the reasons many traders who know about MT5’s extra capabilities stick with MT4.

MT5’s Additional Capabilities

MT5 can work with a larger number of asset classes, such as exchange-traded stocks and futures, in addition to the forex and CFD markets supported by MT4. It offers 21 timeframes while MT4 has only 9; it has a total of 38+ built-in indicators while MT4 has 30+; and it has 6 pending order types, while MT4 has 4.

The Strategy Tester for MT5 is multi-threaded (can test multiple strategies at once) and thus greatly accelerates the optimization process of complex EA parameters. MT5 also has an economic calendar built in (MT4 does not have this).

Hedging vs Netting

MT4 only offers hedging account types – these allow traders to place a long and a short position in a single instrument in the same trade. MT5 offers two kinds of account types: Hedging and Netting. Netting accounts automatically cancel out any opposite trades in the same instrument, not as separate trades. The netting account feature in MT5 is different from the one used in MT4, and traders need to adjust to the operation of the platform.

Which Platform to Choose

If you’re a trader who only trades the forex and CFD market and you want to use as many of the tools and resources created by traders in the community, and access the largest number of brokers, then MT4 is the logical choice. The platform is robust, the tools offered are plentiful, and the learning materials available to the global trading community are second to none.

MT5 is the more versatile platform for traders looking to trade more than one asset — such as stocks, futures, or options — in addition to forex. If you’re a complete beginner and have no commitment to a tool, either can be a good option. Deciding on which one is best really depends on which broker they support, and what assets you plan to be trading the most.

The MT4 vs MT5 comparison guide includes all the key dimensions with in-depth scenario guidance for various trader profiles and trading methods.

Frequently Asked Questions

What is MetaTrader 4?

MetaTrader 4 is a trading platform created by MetaQuotes Software Corp for forex and CFD trading. It offers charting on 9 timeframes, 30+ pre-installed technical indicators, automatic trading with Expert Advisors in MQL4, and various order types. The MT4 is free, and not a standalone paid product; it is used via your broker’s trading platform and is provided by the regulated broker.

Is MT4 still good to use?

MT4 is still one of the most popular retail trading platforms in the world and is still very useful for Forex and CFD traders. It’s a vast library of indicators and EAs created by community members, a uniform cross-broker interface, and ease of stability are continuous practical benefits. Its disadvantages are an obsolete code, limited asset coverage with respect to MT5, and it doesn’t support stock or futures trading. However, it continues to be an excellent option for traders specializing in forex and CFD markets.

What is the difference between MT4 and MT5?

MT5 has many more asset classes (stocks and futures), has a number of additional built-in time frames and indicators, and works with the MQL5 programming language, which is not backward compatible with MT4 EAs. Among forex and CFD brokers, MT4 is more well-supported and offers a bigger library of tools created by the community. Especially for traders who use automation, the most relevant difference is that EAs and indicators created for one platform are incompatible with the other.

Is MT4 free to download?

MT4 is free — it’s accessed through your broker’s download link rather than purchased separately. The platform is available on Windows, Mac (via broker web trader or Wine), iOS, and Android. Login credentials are provided by your broker when you open a trading account, connect your MT4 installation to the broker’s servers, and market data feeds.

What are Expert Advisors in MT4?

Expert Advisors are automated trading programs written in MQL4 that execute trades based on predefined coded rules without manual intervention. They can be built using MT4’s built-in MetaEditor, downloaded from the MetaTrader Marketplace, or sourced from third-party providers. Before live deployment, EAs should be tested in MT4’s Strategy Tester using historical data to assess their logic and performance characteristics. EAs do not guarantee profit — automated trading involves full market risk.

Conclusion

For two decades, MetaTrader 4 has been the most popular retail trading platform, but not by chance – it offers a consistent, reliable, and well-supported trading platform that forex and CFD traders truly need. The charting tools are quite functional, the indicator and EA libraries are the largest found in the retail trading world, the support from the brokers is beyond any other platform, and the overall community knowledge that has been built around the platform is second to none.

However, it does have some drawbacks: the code is older than MT5, it does not have multi-asset coverage like its successor, and MQL4 tools cannot be imported into MT5. MT5 is the more sophisticated platform for traders who prefer trading stocks, futures, or other more complex order types, which are beyond the scope of forex and CFDs. For those traders who trade in the forex and CFD markets and want to continue to have a stable and proven trading platform with a wealth of tools and resources, MT4 remains what they need.

If you’re deciding between the two MetaTrader platforms, the MT4 vs MT5 comparison provides the full breakdown across every relevant dimension, so you can make an informed decision depending on the trading purpose, the asset class you’re interested in, and whether you need to use the tools you already have.

The information contained is for educational purposes only and should not be taken as investment advice. Trading entails the risk of loss.

Ready to explore further? Read the MT4 vs MT5 comparison or explore your broker’s platform resources to get familiar with the MT4 environment before trading live.

CFDs are complex financial instruments and carry a high risk of losing money rapidly due to leverage. You should ensure you fully understand the risks involved and carefully consider whether you can afford to take the high risk of losing your money before trading.

This content is provided for educational and informational purposes only. It does not constitute investment advice, financial guidance, or a recommendation to trade any financial instrument.

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