Grail Expert MAV1
This Old Kings expert advisor (trading robot) for MetaTrader 4 is called Grail Expert MAV1. In the code it works with moving averages. It has 7 settings, for example Take Profit (default 20.0), Stop Loss (default 50.0) and Lots (default 0.1). Watch it on a demo account for a while — robots can behave differently with each broker. 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 Grail Expert MAV1
Grail Expert MAV1 is an expert advisor (trading robot) for MetaTrader 4 based on Moving Average. It has 7 settings, such as Take profit, Stop loss and Lots. MQL source code included.
Files in the download: _GrailExpertMAV1_0.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 |
|---|---|---|
| Take profit | 20.0 | Take profit distance |
| Stop loss | 50.0 | Stop loss distance |
| Lots | 0.1 | Trade size in lots |
| Hl period | 6 | Period or timeframe used by the calculation |
| Ma period | 14 | Period or timeframe used by the calculation |
| Ma slope | 2 | |
| Tgt threshold | 5 |
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: Moving Average · MT4 Expert Advisor · MQL4 Source Code