Doubler Expert Advisor
Info
The Doubler Expert Advisor is a Expert Advisor for MetaTrader 4 that a simple expert advisor (ea) concept that opens two simultaneous positions in opposite directions, ensuring the stop loss of the losing position is triggered 5 points earlier than the take profit of the winning one. This EA provides a unique trading strategy with customizable parameters for optimization.
Usage
This tool is typically used for automated trading on major forex pairs and gold.
Platform
This Expert Advisor works exclusively on MetaTrader 4 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL4/Experts folder via File ? Open Data Folder in MetaTrader 4.
How to Install and Use Doubler Expert Advisor
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
A simple Expert Advisor (EA) concept that opens two simultaneous positions in opposite directions, ensuring the stop loss of the losing position is triggered 5 points earlier than the take profit of the winning one.
Typical Use Case
This Expert Advisor excels in automated trading and technical analysis on MetaTrader 4.
Compatible Platform & Setup
This Expert Advisor works on MetaTrader 4. Place the file in the MQL4/Experts folder and restart the terminal.
Description & Settings
Related: e-trailing2: enhanced trailing stop expert advisor - another powerful expert for MetaTrader 4 traders.
A simple Expert Advisor (EA) concept that opens two simultaneous positions in opposite directions, ensuring the stop loss of the losing position is triggered 5 points earlier than the take profit of the winning one. This EA provides a unique trading strategy with customizable parameters for optimization.Also recommended: e-signal of trade expert advisor - similar expert with strong performance on MetaTrader 4.
Testing Results:
Strategy Tester Report (2026)
- The Doubler EA demonstrated promising results in the strategy tester, showcasing its potential for further development and optimization.
You may also like: e-news-lucky$ - automated news trading expert advisor - excellent alternative for expert users on MetaTrader 4.
Source Code
#property copyright "robotfx"
#property link "https://robotfx.org"
extern int stoploss = 100;
extern int takeprofit = 50;
int magicnumber = 777;
extern double lots = 0.1;
extern int ext1 = 1;
extern int ext2 = 1;
extern bool autolotchanging = false;
int init().......
⚠ 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.