Web Trader MT5 
MT4 indicators are chart tools used to perform technical analysis to study price behaviour, but they are not a guarantee of trading results.
Ever wonder how seasoned traders read the chaotic price charts to find hidden market trends?
MT4 indicators are one of the important chart overlays which are used to study the trend direction, momentum, market volatility and price behaviour. These tools allow you to assess the strength of a move or potential reversal and provide some context.
There are a large number of indicators built into the MetaTrader 4 platform and it is also possible to add custom indicator files, but only if you are using the PC version. The desktop platform allows endless customisation, but Android users are limited to what custom indicators they can use.
If you have just downloaded the MT4 setup, this article is for you. It includes all you need to know about the built-in tools, how to install, where to find the folder, how to use it on Android and the MT5 compatibility.
Quick Answer
You can use MT4 indicators either by using the built-in tools pre-installed directly from the platform menu, or by inserting external custom files into your system’s desktop data folder.
- Built-In Tools: Access them immediately on PC or mobile from Insert > Indicators or the left-hand Navigator panel.
- Custom Tools (PC Only): Place .ex4 or .mq4 files into File > Open Data Folder > MQL4 > Indicators and refresh your platform.
- Mobile Use: MT4 Android does support built-in indicators but you can’t install custom third-party indicator files.
- MT5 Compatibility: Files for MT4 indicators will not work on MT5 since the file formats and programming languages are different.
What Are MT4 Indicators?
MT4 indicators are mathematical analysis tools and chart overlays that help traders to analyze and interpret price movement.
They are technical tools that are applied directly to a trading chart to assist in interpreting past and current market data. Based on their role, they are either plotted directly over the price candles on your main chart or in a separate indicator window underneath the chart.
What Indicators Analyse
Traders use these visual tools to help them analyse different aspects of market behaviour, including:
- Trend direction and strength
- Market momentum
- Price volatility and fluctuations
- Volume or tick activity
- Potential support and resistance context
Built-In Vs Custom Indicators
Understanding the difference between the two main types of indicators is crucial for managing your platform:
- Built-In Indicators: These are the default tools already included inside MT4 upon installation. You do not need to download them separately.
- Custom Indicators: These are developed by third parties and added separately as compatible files. They are usually formatted as .ex4 or .mq4 files.
What Indicators Cannot Do
It is vital to remember that indicators do not predict the market with absolute certainty. They are strictly tools for analysis, rather than guaranteed signals or automatic profit systems. They calculate from price data from the past and present, so they respond to what has already happened and don’t perfectly predict the future.
MT4 Built-In Indicators: What Is Available?
MT4 has technical indicators that are built-in and grouped into trend, oscillators, volume and Bill Williams which facilitate market analysis.
Where To Find Built-In Indicators
Once you have your platform open, traders can access the built-in indicators in two common ways:
- Go to the top menu and click Insert > Indicators.
- Open the Navigator panel on the left side of the screen and expand the Indicators section.
Main Indicator Categories
MT4 organizes its built-in tools to help you find the correct one for your specific analytical needs. In beginner-friendly terms, we can break these into:
- Trend Indicators: Used to see the general price direction and if a market is trending up, down, or sideways.
- Oscillators: These are used to measure momentum and can help to identify possible overextended areas, such as overbought and oversold conditions.
- Volume Indicators: Used to check the tick activity or how often the price changes within a certain period of time.
- Bill Williams Indicators: A unique set of technical analysis tools integrated into MT4. Developed by trading author Bill Williams to measure trend and momentum.
Common Examples
While you are exploring the platform, you will encounter a few well-known generic indicators. Some of the most common are the Moving Average, Bollinger Bands, Relative Strength Index (RSI), Moving Average Convergence Divergence (MACD) and the Stochastic Oscillator. These are popular tools applied in technical analysis.
Built-In Indicator Table
| Category | What It Helps Analyse | Generic Examples |
| Trend | Direction and trend changes | Moving Average, Bollinger Bands |
| Oscillators | Momentum and overextended conditions | RSI, MACD, Stochastic |
| Volume | Tick activity or market participation | Volume tools |
| Bill Williams | Trend and momentum style analysis | Built-in Bill Williams tools |
How to Install Indicators on MT4
You can add built-in indicators directly from MT4 menus, but custom indicators need to be carefully placed in the right MT4 folder on your PC.
Installing a Built-In Indicator
Adding a tool that’s already on your platform is easy. Follow these step-by-step instructions:
- Open your MT4 platform.
- Open the chart where you would like to see the indicator.
- On the left side of your screen, open the Navigator panel.
- Expand Indicators to view the list.
- Select the indicator you want to add.
- Drag it onto the chart, or simply double-click it.
- Check out by reviewing the settings window that opens
- Change the period, color, style, or apply-to as needed.
- Click OK to add the indicator to your chart.
Understanding The Indicator Settings Window
Once the settings window opens, you’ll see a few options. This is what they mean, plain and simple:
- Period: Number of historical candles used in the calculation of the tool.
- Colour: The colour of the lines or histograms will be on the chart.
- Style: The visual appearance of the tool, such as line thickness, solid lines or dashed lines.
- Apply To: The specific price input for the calculation such as, the close, open, high or low of the candle.
Installing a Custom MT4 Indicator on PC
If you want to expand your analytical toolbox beyond the default options, learning how to install indicators on MT4 PC is an essential skill. For this you need to put your downloaded or .ex4 file in the proper system folder.
MT4 Indicators Folder
The MT4 folder indicators is deep within the data files of your platform. Here is the clear way to find it:
- Launch MT4.
- In the top left corner click on File.
- Choose Open Data Folder in the dropdown menu.
- Open the MQL4 directory.
- Open the Indicators folder.
- Copy and paste your indicator file of .ex4 or .mq4 into this folder.
- Restart MT4 or right click and refresh the Navigator window.
- You can find the new indicator under Navigator > Indicators.
- Drag it onto the chart to start using it.
Note: Users are not to download unknown files, modified systems or indicators from unverified sources. Custom files can sometimes cause the platform to crash, freeze your charts, or even contain malicious code which the average trader is unaware of. Always responsibly source your files.
If The Indicator Does Not Appear
If you followed the steps and still don’t see your new tool, try these quick checks:
- Make sure that the file is made for MT4, not MT5.
- Just make sure it is in the MQL4>Indicators folder exactly.
- Restart the whole MT4 platform.
- Verify that the indicator is an uncompiled.mq4 file and needs to be compiled in the MetaEditor.
- Verify that the file is really an indicator, not an expert advisor or a script.
How to Download Indicators to MT4 Android
MT4 Android comes with built-in mobile indicators available directly in the app, but you cannot install custom PC indicator files on Android in the same way.
Android Limitation
If you are looking for how to download indicators to MT4 Android, it is important to know that custom .ex4 or .mq4 files are usually installed via the MT4 desktop application and not in the MT4 Android app itself. The mobile operating system doesn’t have a custom indicator install process like a PC does with folder-based installs.
How To Add Built-In Indicators On MT4 Android
You don’t get access to custom files, but you do get a full suite of built-in tools on your phone. Below are the simple steps to add them:
- Open the MT4 app for Android.
- Open the chart you want to analyze.
- Depending on the layout of your particular app, tap on the chart area or the indicator icon (usually a ‘f’ symbol).
- Select from the list of built-in indicators available.
- If needed adjust settings and parameters.
- Tap “Done” to add the indicator to the chart.
When To Use Desktop Instead
For traders that require custom indicators, advanced visual templates or complex file-based setups, the desktop version of MT4 should be used. The mobile version is lightweight for performance purposes.
Note on Mobile Usage
Android is great for monitoring charts and managing open positions on the go, but the desktop platform is generally much better for doing in-depth chart analysis, drawing trendlines and applying custom tools.
Can MT4 Indicators Work On MT5?
MT4 indicators cannot be used in MT5 because the platforms use totally different file types and coding languages.
File Type Difference
The main reason they do not mix is the file format. MT4 indicators usually have .ex4 or .mq4 extensions, while MT5 indicators are .ex5 or .mq5 extensions. The software just can’t read the other type of file.
Platform Language Difference
MT4 is written using the MQL4 coding language, whereas MT5 uses the newer MQL5 language. This difference in structure means that an MT4 custom indicator cannot normally be copied into MT5 and used directly without being completely rewritten by a programmer.
MT5-Compatible Versions
Many popular custom indicators have separate versions for MT5 made by their original developers. Instead, users should look for and select a proper MT5 version, rather than forcing an MT4 file into an MT5 platform.
Tips for Using MT4 Indicators
Indicators work best when traders know exactly what they are measuring and when they don’t clutter their trading charts.
Practical Checklist:
- Limit the number of indicators used to avoid clutter and confusion.
- Know if an indicator is trend, momentum, volume or volatility-based.
- Don’t use multiple indicators from the same category that show exactly the same information.
- Observe the indicator’s behavior on different time frames before you trust it.
- Never use a single indicator as a complete trading system.
- Use indicator readings with price action observation, tight risk management and overall market context.
Beginners often put so many lines and colours on their screen that they can’t see the actual price candles. This often means duplicated signals and confusing contradictions.
Research in the financial markets has shown that the volatility in retail trading is such that proper risk management and clear chart interpretation are imperative to prevent taking excessive risk.
Often, bad decisions are made because an indicator is used without understanding the mathematical purpose behind it. Keep your charts clean, understand the tools you use and prioritize risk control.
FAQs
How do I add an indicator to MT4?
You can go to Insert > Indicators on the top menu, or open the Navigator panel. After that, they can drag the indicator directly onto the chart, tweak the necessary settings in the pop-up window and click OK.
Where is the MT4 indicators folder
To find the MT4 indicators folder, go to File > Open Data Folder > MQL4 > Indicators. Simply copy any custom.ex4 or.mq4 files you want to use into this specific folder.
Can I install custom indicators on MT4 Android?
Custom indicator files are usually not installed directly on MT4 Android because of operating system limitations. Mobile app supports a lot of built-in indicators and custom indicators are usually created and used only in the PC version of the platform.
Can MT4 indicators work on MT5?
MT4 Indicators do not work directly on MT5 because MT4 and MT5 use completely different file types and coding languages (MQL4 vs MQL5). Traders need to find the MT5 version of the specific indicator they want to use.
What is the difference between an indicator and an Expert Advisor in MT4?
An indicator simply shows you analysis and visual data on a chart. An Expert Advisor can perform actions and execute trades based on programmed rules if the platform permits. Indicators assist in market analysis; MT4 Expert Advisors can actively manage or execute trades for you.
Conclusion
MT4 indicators can assist beginner traders to analyse charts more effectively but should always be used as complementary tools and never as guaranteed solutions.
To put it simply, MT4 indicators are powerful technical analysis chart overlays. The platform comes with a range of built-in indicators accessible from the Insert menu or Navigator panel.
On a desktop computer, custom indicator files are specific to the MQL4 > Indicators folder. This option is available for those who want more advanced options. Mobile trading is certainly convenient, but MT4 Android has some serious limitations in terms of custom indicator files, so if you need to do any complex analysis, it is best done on a PC.
Also, note that MT4 indicators don’t work directly on MT5 due to coding differences. In the end, traders should not use indicators as a standalone, but to complement good risk management and market observation.
Find more MT4 platform guides on STARTRADER to learn about downloads, indicators, Expert Advisors and chart tools before using technical analysis for live 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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