WPR EA
WPR EA is an expert advisor (trading robot) for MetaTrader 4 from the Old Kings collection. Its source code uses an oscillator. 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 magic (default 12345), Common Settings (default ------------------------) and user slippage (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 WPR EA
WPR EA is an expert advisor (trading robot) for MetaTrader 4 based on Oscillator. 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 Magic, Common settings and User slippage. MQL source code included.
It also can size trades from your balance and risk percent.
Files in the download: WPR_EA.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 |
|---|---|---|
| Magic | 12345 | Magic number that tells this EA's orders apart |
| Common settings | ---------------------------------------- | |
| User slippage | 2 | Maximum slippage allowed when opening a trade |
| Grid size | 50 | |
| Profit lock | 0.60 | |
| Money management settings | ---------------------------------------- | |
| Min lots | 0.01 | |
| Min lots increment | 0.01 | |
| Account risk | 100.0 | Risk per trade (percent of balance) |
| Indicator settings | ---------------------------------------- | |
| Wpr period | 14 | Period or timeframe used by the calculation |
| Shift | 1 | Bar shift (0 = current bar) |
| Time start | 0 | |
| Time end | 5 | |
| Trade friday | false |
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 · Risk & Lot Size · Oscillator · MT4 Expert Advisor · MQL4 Source Code