MT4 vs MT5: The Key Differences That Actually Matter

Ask ten traders which MetaTrader platform to use and you get ten answers, most of them shaped by whichever one they happened to learn on. The MT4 vs MT5 question deserves better than habit.

Both platforms come from MetaQuotes. Both are free. Both run on desktop, web and mobile, and they look similar enough that a trader dropped into either would find the order window inside a minute. The real difference between MT4 and MT5 sits underneath the interface: in what you can trade, how orders are handled, how quickly a strategy can be tested, and in the code that automated systems are written in.

One thing has changed since most comparison articles were written. The decision is no longer entirely yours to make.

What MT4 and MT5 actually are

MT4 launched in 2005 as a forex platform and became the retail standard. Its strength was never raw power. It was simplicity, a small system footprint, and an open ecosystem that let thousands of developers publish custom indicators and Expert Advisors. Twenty years of that ecosystem is why MT4 still has a pulse.

MT5 arrived in 2010, and it was not a patch on its predecessor. MetaQuotes rebuilt it: different architecture, a different programming language, a different way of accounting for positions, and a scope that reaches past forex into stocks, futures and exchange-traded instruments. That rebuild is also why the two platforms are not compatible with each other, which is the single fact that catches out most traders who switch.

MT4 vs MT5: side by side

The table below is the whole comparison in one view. Everything after it explains which rows you will actually feel.

Availability depends on how your broker or prop firm configures the platform. Not every firm exposes every feature.

The differences that change how you trade

Market coverage

MT4 was built around currency pairs. It can carry CFDs on metals, indices and commodities, and most firms offer them, but the design assumes forex. MT5 was built to reach further, with equities, futures and exchange-traded instruments sitting natively alongside currencies.

If your strategy lives entirely on major and minor pairs, this row will not touch your day. If you want indices, commodities and crypto instruments in one terminal, it decides the whole thing.

Order types and execution

MT4 gives you four pending order types: buy stop, sell stop, buy limit and sell limit. MT5 adds two more, buy stop limit and sell stop limit, which let a triggered stop become a limit order instead of a market order. That is the difference between capping your slippage on a breakout entry and accepting whatever fill the market hands you. Our guide to buy stop and sell stop orders covers how each one behaves.

Execution differs too. MT4 offers instant, request and market execution. MT5 adds exchange execution, along with fill policies and partial order filling, so a larger order can fill in parts rather than be rejected outright.

Charting, timeframes and indicators

MT5 gives you more to look at: 21 timeframes against nine, 38 built-in indicators against 30, and 44 analytical objects against 31. Traders notice the timeframes first. MT4 jumps from M30 to H1 and from H4 straight to D1, while MT5 fills the gaps with M2, M3, M10, M12, M20, H2, H3, H6, H8 and H12.

More is not automatically better. A trader who works one setup on the 15-minute chart does not get sharper by adding an 8-hour chart. But if you build multi-timeframe confluence, the holes in MT4’s ladder are real ones.

Hedging vs netting: the most misunderstood difference

A lot of the MT5 vs MT4 commentary online is simply out of date here, including on some pages that currently rank for it.

The old complaint was that MT5 forced netting: one net position per symbol, so a buy and a sell on the same pair cancel out instead of sitting side by side. That was true at launch. MetaQuotes added a hedging mode to MT5 in 2016, and the platform has supported both models ever since.

So the accurate version is this. MT4 is hedging only. MT5 runs in either hedging or netting mode, and which one you get is decided by the firm when your account is created, not by you. Most forex-facing brokers and prop firms configure MT5 with hedging enabled. Check your account type rather than assuming.

One caveat worth stating plainly: the platform allowing a hedge does not mean your firm permits one. Prop firms almost universally ban hedging across multiple accounts or across firms, whatever the terminal will let you click. Read the rulebook, not the order window. Our guide on hedging rules at prop firms goes into where the line sits.

Backtesting, where the gap is widest

If you run automated strategies, this is the section that settles the argument. MT4’s strategy tester runs on a single processor thread, tests one symbol at a time, and works from modeled ticks. MT5’s tester is multi-threaded, handles multiple symbols and currencies at once, uses real tick data where the firm supplies it, and can push optimization jobs out to the MQL5 Cloud Network.

In practice, an optimization run that ties up MT4 for an evening finishes on MT5 in a fraction of the time, and the result is closer to what the market actually did. Worth being blunt about what that buys you: faster, cleaner backtesting does not make a strategy profitable. It shortens the time it takes to find out that it is not. Our guide to backtesting a trading strategy covers what those results can and cannot tell you.

MQL4 vs MQL5: your EAs do not carry over

MT4 runs MQL4. MT5 runs MQL5. They are different languages, MQL4 does not compile on MT5, and there is no import button.

For a trader with one or two simple robots, that is a weekend of work or a small fee to a developer. For a trader with years of custom indicators and a tuned Expert Advisor library, it is a genuine migration project, and it is the real reason experienced MT4 traders dig in. Automated converters exist and they produce a draft, not a finished product. Anything touching position sizing or risk logic needs reviewing line by line before it goes near a funded account.

Is MT5 better than MT4?

For most traders starting today, yes, and the honest reason is not the feature list.

It is better because it is the platform with a future. It is where MetaQuotes puts its development, it is what firms are consolidating onto, and it does everything its predecessor does plus a wider instrument set, a serious testing engine and a modern codebase. Read row by row and the newer platform wins nearly every category that is not a tie.

Where MT4 still wins is narrower but real. It is lighter, it is simpler, and it sits on an add-on library built over twenty years. Neither of those is an edge in the market. They are conveniences, and one of them shrinks every year.

Why some traders still choose MT4

Three reasons hold up.

• Focus. It does forex and does not ask you to care about anything else. Fewer menus, fewer settings, a shorter path from chart to order.
• The add-on library. Two decades of MQL4 indicators, scripts and Expert Advisors, much of it free. MQL5’s marketplace has grown substantially, but a specific legacy tool may only ever have existed in MQL4.
• System requirements. It runs comfortably on old hardware and thin VPS instances. If you keep several terminals open on a modest machine, that is not nothing.

What is not a reason: "MT4 is more stable" or "MT5 is only for stock traders." Both were arguable a decade ago. Neither survives contact with a current MT5 build.

The part most comparisons skip: MT4 is no longer sold

MetaQuotes ended MT4 development in 2015 and has since stopped issuing new MT4 licenses altogether. A firm launching today cannot buy it. It can only buy MT5.

The consequence is slow and one-directional. Existing MT4 servers keep running and still receive security patches, but the platform gets no new features, and the pool of firms offering it only contracts as they consolidate onto one platform instead of paying to maintain two. Independent platform surveys of the broker market now put MT5 comfortably ahead on availability, and the gap widens each year.

This does not mean MT4 stops working tomorrow. It means that building a long-term automated setup on MT4 is a bet on a platform in maintenance mode. Price that in.

MT4 vs MT5 for prop firm traders

If you trade with a prop firm, the platform decision is mostly made for you, and MT4 is usually not on the menu.

The cause is that same licensing shift. Firms that launched in the last few years came up in an MT5 world, and the ones still carrying MT4 are a small and shrinking minority. Third-party prop firm directories now list dozens of firms on MT5 and only a handful on MT4, with many firms moving further out again to DXTrade, cTrader or Match-Trader.

Three things follow, and they are worth knowing before you buy an evaluation.

Your MT4 robot is a liability, not an asset

If your process depends on an MQL4 Expert Advisor, budget for the rewrite before you pay a challenge fee. Discovering on day three of an evaluation that your EA will not compile is an expensive way to learn this.

Hedging mode is a setting, not a permission

Most prop firms run MT5 in hedging mode, so the terminal will happily let you open opposing positions. Whether you are allowed to is a question for the rulebook.

Automation rules can differ per platform

A single firm can permit Expert Advisors on MT5 and not support them at all on a web-based platform, or restrict them in a free competition while allowing them on a paid program. Check the rule for the platform you will actually be trading on.

Which platform should you use?

The short version, by situation.

• Choose MT5 if you are starting from scratch, if you trade or want to trade more than forex, if backtesting quality matters to you, or if you plan to trade with a prop firm. That is most people reading this.
• Choose MT4 if you have a working MQL4 system that earns its keep and would cost more to rebuild than it is worth, and you have a firm that still supports it. That is a legitimate reason to stay. "I am used to it" is not.
• Run both if your provider allows it. They install side by side and the accounts are separate. Keep the legacy system running on MT4 while you rebuild on MT5, then close the door behind you.

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Trading on MT5 with Audacity Capital

Audacity Capital is a proprietary trading firm, not a broker. Traders on our funded programs trade a simulated funded account on MT5 or DXTrade, and keep up to 90% of the simulated profits they generate. MT4 is not offered.

If you have been running an MQL4 system, plan the migration before you take an evaluation rather than during one. Expert Advisors are permitted on the standard funded program on MT5, provided they comply with the rules. They are not permitted in the free monthly trading competition, which is manual only.

None of this is an edge, and it would be dishonest to sell it as one. A funded account gives you capital and a structure to trade inside, MT5 gives you a better terminal to do it in, and most people who attempt a prop firm evaluation still do not pass. What a platform can remove is the friction that has nothing to do with your decisions: the backtest that took all night, the order type you did not have, the robot that would not run. Everything after that is on you.

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