Trendline.Trader
This Old Kings expert advisor (trading robot) for MetaTrader 4 is called Trendline.Trader. Its name points to automatic trendlines. It places pending orders and can size trades from your risk. It has 3 settings, for example Allow Live Trade (default false), Maximum Risk (default 0.02) and Decrease Factor (default 2). Run it in the Strategy Tester and then on a demo account to see how it opens and closes trades. Inside: 1 EA file with source code (.mq4) you can open and edit in MetaEditor. Old Kings are classic community tools shared as-is. Not tested by PolyMaria. Try it on a demo account first. Are you the author of this tool? Message us on Telegram (@abumarket_support) and we will credit you or take it down.
Expert advisor · MT4 · v1.0 · Free
About Trendline.Trader
Trendline.Trader is an expert advisor (trading robot) for MetaTrader 4. It places pending buy/sell stop or limit orders and can size trades from your balance and risk percent. It has 3 settings, such as Allow live trade, Maximum risk and Decrease factor. MQL source code included.
Files in the download: Trendline.Trader.mq4.
Trading robots can lose money. Check every setting and test on a demo account before using real funds.
Settings
| Setting | Default | What it does |
|---|---|---|
| Allow live trade | false | true allows orders to be placed |
| Maximum risk | 0.02 | %account balance to risk per position |
| Decrease factor | 2 | lot size divisor(reducer) during loss streak |
How to install
- Download the ZIP from your PolyMaria library and unzip it.
- In MetaTrader 4 open File → Open Data Folder, then go to MQL4 → Experts.
- Copy the .mq4 file(s) there. Put any .mqh files in MQL4 → Include.
- Open the .mq4 file in MetaEditor and press Compile (F7) if MetaTrader does not show it.
- Drag the expert advisor from the Navigator onto a chart, check the settings, allow Algo/Auto Trading and press OK.
- Test it first on a demo account or in the Strategy Tester.
Tags: Trend · Pending Orders · Risk & Lot Size · MT4 Expert Advisor · MQL4 Source Code