Auto MT4build220
Auto MT4build220 — a MetaTrader 4 expert advisor (trading robot) kept in the Old Kings collection. It raises the lot size after losses (martingale — high risk), works with a grid of orders and places pending orders. It has 15 settings, for example Lot Exponent (default 1.59), slip (default 3.0) and Lots (default 0.01). 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 Auto MT4build220
Auto MT4build220 is an expert advisor (trading robot) for MetaTrader 4. It increases the lot size after a losing trade (martingale), opens a grid of orders at fixed price steps and places pending buy/sell stop or limit orders. It has 15 settings, such as Lot exponent, Slip and Lots. MQL source code included.
It also moves the stop loss behind price (trailing stop / break-even).
Files in the download: Auto-MT4build220.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 |
|---|---|---|
| Lot exponent | 1.59 | How much the lot size grows after a loss |
| Slip | 3.0 | |
| Lots | 0.01 | Trade size in lots |
| Lotdecimal | 2 | |
| Take profit | 10.0 | Take profit distance |
| Stoploss | 500.0 | Stop loss distance |
| Trail start | 10.0 | Trailing stop distance or switch |
| Trail stop | 10.0 | Trailing stop distance or switch |
| Pip step | 30.0 | Distance between orders |
| Max trades | 10 | Maximum number of open trades |
| Use equity stop | FALSE | |
| Total equity risk | 20.0 | Risk per trade (percent of balance) |
| Use trailing stop | FALSE | Trailing stop distance or switch |
| Use time out | FALSE | |
| Max trade open hours | 48.0 |
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: Martingale · Grid · Pending Orders · Trailing Stop & Break-even · MT4 Expert Advisor · MQL4 Source Code