Trendline Price Alert Indicator
Info
The Trendline Price Alert Indicator is a Indicator for MetaTrader 4 that this indicator draws two trendlines on the chart. The trendlines, which can be repositioned, serve as upper and lower alert levels.
Usage
This tool is typically used for trend following strategies across multiple currency pairs.
Platform
This Indicator works exclusively on MetaTrader 4 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL4/Indicators folder via File ? Open Data Folder in MetaTrader 4.
How to Install and Use Trendline Price Alert Indicator
1. Installation: Place your file in the MQL/Indicators folder via "Open Data Folder" and restart your terminal.
2. Loading: Find the indicator in the Navigator, drag it onto your chart, and configure the input parameters in the popup window.
3. Customization: Press Ctrl+I to open the indicator list, select your tool, and click "Properties" to change colors, levels, or visual styles.
4. Updating: Replace the old file in the Indicators folder with the new version and restart the platform to apply changes.
Frequently Asked Questions
Q: Why is my indicator not showing? A: Verify the file is in the MQL/Indicators folder, or try right-clicking the "Indicators" tree in the Navigator and clicking "Refresh."
Q: Do custom indicators slow down the platform? A: Too many complex indicators can impact performance; remove unused ones via the "Indicator List" (Ctrl+I).
Q: Can I use MT4 indicators on MT5? A: No, MQL4 and MQL5 are distinct languages; ensure the indicator is compiled specifically for your platform version.
What this tool does
This indicator draws two trendlines on the chart.
Typical Use Case
This Indicator excels in trend following on MetaTrader 4.
Compatible Platform & Setup
This Indicator works on MetaTrader 4. Place the file in the MQL4/Indicators folder and restart the terminal.
Description & Settings
Related: Institutional Ehlers Fisher Transform: Advanced Price Normalization for MT4 - another powerful indicator for MetaTrader 4 traders.
This indicator draws two trendlines on the chart.Also recommended: i market price 2.1 - real-time price information indicator - similar indicator with strong performance on MetaTrader 4.
The trendlines, which can be repositioned, serve as upper and lower alert levels.
An alert is triggered when the mid-price crosses either of these levels.
Indicator Setup
Select the desired symbol and open its chart at the appropriate timeframe.
Load the Price Alert indicator.
Optionally, select the desired color for each trendline.
Reposition the trendlines to the desired notification levels.
Ensure your speakers are turned on to receive alerts.
Developed in 2026.
You may also like: exchange price indicator - excellent alternative for indicator users on MetaTrader 4.
Source Code
#property copyright "robotfx"
#property indicator_chart_window
extern color uppercolour = blue;
extern color lowercolour = red;
extern int linewidth = 2;
extern string notedrawtrendline = "true=trendline; false=horizontal line";
extern bool drawtrendline = true;
extern bool sendemail = false;
extern string notesinglealert = "true ==> only one hi/lo alert per bar";
extern bool singlealertmode = true;.......
⚠ 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.