Quotes Monitoring (memory-mapped file)
Info
The Quotes Monitoring (memory-mapped file) is a Expert Advisor for MetaTrader 5 that this expert advisor is example of use of the dll for working with file mapping functions. In this example the Expert Advisor create a virtual (memory-mapped) file and start to update the quotes on symbol.
Usage
This tool is typically used for automated trading on major forex pairs and gold.
Platform
This Expert Advisor works exclusively on MetaTrader 5 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL5/Experts folder via File ? Open Data Folder in MetaTrader 5.
How to Install and Use Quotes Monitoring (memory-mapped file)
1. Installation: Open the "File" menu, select "Open Data Folder," navigate to MQL/Experts, paste your file, and restart the terminal.
2. Activation: Drag the EA from the Navigator onto a chart, ensure "Allow live trading" is checked in the Common tab, and verify the AutoTrading button is green.
3. Optimization: Right-click your chart, choose "Expert List," click "Properties" to adjust inputs, and save your preferred setup as a set file for future use.
4. Maintenance: Regularly check the "Experts" tab in the terminal window to monitor trade logs and potential execution errors.
Frequently Asked Questions
Q: Why is my EA not opening trades? A: Check the "AutoTrading" button, ensure "Allow live trading" is enabled, and verify your broker allows automated trading on your account type.
Q: Can I run multiple EAs on one chart? A: No, each chart can only host one active EA; however, you can open multiple charts for different currency pairs to run several EAs.
Q: What does the "smiley face" icon mean? A: A smiley face in the top-right corner of the chart indicates the EA is successfully running; a frowny face means it is disabled.
What this tool does
This Expert Advisor is example of use of the DLL for working with File Mapping functions.
Typical Use Case
This Expert Advisor excels in automated trading and technical analysis on MetaTrader 5.
Compatible Platform & Setup
This Expert Advisor works on MetaTrader 5. Place the file in the MQL5/Experts folder and restart the terminal.
Description & Settings
Related: Quotes Demo - another powerful expert for MetaTrader 5 traders.
This Expert Advisor is example of use of the DLL for working with File Mapping functions.
In this example the Expert Advisor create a virtual (memory-mapped) file and start to update the quotes on symbol.
Also recommended: MT5-Couple Hedge EA - similar expert with strong performance on MetaTrader 5.
Using this way, Expert Advisors can exchange data (for example, quotes) using common memory-mapped file.The format of the memory-mapped file is the same as used in . It means that you can exchange quotes between and .
The other data exchange can be organized using the similar way.
The code has a lot of comments and logs.
The MemMap32/64.dll library (see MemMap32/64.zip) must be placed to : terminal_data_folder\MQL5\Libraries
You may also like: Trailing Stop - excellent alternative for expert users on MetaTrader 5.
⚠ Limitations & Risk Warning
- This tool is provided for educational and testing purposes only.
- Past performance does not guarantee future results.
- Trading involves substantial risk of loss. Use on a demo account first.
- Results may vary depending on market conditions, broker, and settings.
- We recommend thorough backtesting and forward testing before using with real funds.