Coin Flip Ea
Coin Flip Ea — a MetaTrader 4 expert advisor (trading robot) kept in the Old Kings collection. It raises the lot size after losses (martingale — high risk), moves the stop behind price and can size trades from your risk. It has 16 settings, for example Risk (default 0.25), Lot (default 0.01) and Martingale (default 1.8). 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 Coin Flip Ea
Coin Flip Ea is an expert advisor (trading robot) for MetaTrader 4. It increases the lot size after a losing trade (martingale), moves the stop loss behind price (trailing stop / break-even) and can size trades from your balance and risk percent. It has 16 settings, such as Risk, Lot and Martingale. MQL source code included.
Files in the download: coin_flip.mq4, Best Trading Systems.url.
Trading robots can lose money. Check every setting and test on a demo account before using real funds.
Settings
| Setting | Default | What it does |
|---|---|---|
| Risk | 0.25 | Risk per trade (percent of balance) |
| Lot | 0.01 | Trade size in lots |
| Martingale | 1.8 | |
| Max lot | 1.0 | |
| Take profit | 50 | Take profit distance |
| Stop loss | 25 | Stop loss distance |
| Max attempts | 10 | |
| Pause | 30 | |
| Slippage | 10 | Maximum slippage allowed when opening a trade |
| Trailing start | 14 | Trailing stop distance or switch |
| Trailing stop | 3 | Trailing stop distance or switch |
| Magic | 12345 | Magic number that tells this EA's orders apart |
| Com | Coin Flip | |
| Draw info | true | |
| Languages | en | |
| Text color | clrWhite | Colour on the chart |
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 · Trailing Stop & Break-even · Risk & Lot Size · MT4 Expert Advisor · MQL4 Source Code