Trader System AT
This Old Kings expert advisor (trading robot) for MetaTrader 4 is called Trader System AT. In the code it works with MACD, fractals and ZigZag. It places pending orders, moves the stop behind price and can size trades from your risk. It has 40 settings, for example info1 (default programfor@list.ru), info (default 1621775) and info11 (default .mm=1,.mm=0). Run it in the Strategy Tester and then on a demo account to see how it opens and closes trades. Inside: 3 EA files 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 Trader System AT
Trader System AT is an expert advisor (trading robot) for MetaTrader 4 based on MACD, Fractals and ZigZag. It places pending buy/sell stop or limit orders, moves the stop loss behind price (trailing stop / break-even) and can size trades from your balance and risk percent. It has 40 settings, such as Info1, Info and Info11. MQL source code included.
Files in the download: 3Color.mqh, 3ColorJ.mqh, 3Color_KeltnerCh.mqh, 3c_BB_Osc2.mqh, 3c_SG_Osc.mqh, a-SimpleTrailing.mqh, b-Array.mqh, b-ForTest.mqh ….
Trading robots can lose money. Check every setting and test on a demo account before using real funds.
Settings
| Setting | Default | What it does |
|---|---|---|
| Info1 | programfor@list.ru | |
| Info | 1621775 | |
| Info11 | .mm=1,.mm=0 | |
| Mm | 0 | |
| Lots | 0.03 | Trade size in lots |
| Max trades | 5 | Maximum number of open trades |
| Info3 | C | |
| Stop loss1 | 0 | Stop loss distance |
| Trailing stop1 | 0 | Trailing stop distance or switch |
| Info2 | .. | |
| Need reverse | FALSE | |
| Info4 | ||
| Lotsr | 0.03 | |
| Com38 | 0 . | |
| Ind shift | 0 | c |
| Trend minimum | 0 | |
| Smooth | 5 | JMA |
| Smooth phase | 100 | JMA , -100 ... +100, ; |
| Keltner period | 50 | ʸ |
| Keltner step | 9 | , ( ) |
| Fast slow bb | true | , Bollinger Bands |
| Bands period | 100 | Bollinger Bands , Bands_Period=0 , Bollinger Bands |
| Bands deviations | 1.0 | |
| Drow style | 0 | 0 - , 1 - , - |
| Bb shift | 0 | c BollingerBands |
| Trend minimum | 0 | |
| Signal length | 15 | |
| Signal phase | 100 | , -100 ... +100, ; |
| P trailing | ---------- | Trailing stop distance or switch |
| Use trailing | True | Trailing stop distance or switch |
| Profit trailing | True | Trailing stop distance or switch |
| Trailing stop buy | 50 | Trailing stop distance or switch |
| Trailing stop sell | 50 | Trailing stop distance or switch |
| Trailing step | 5 | Trailing stop distance or switch |
| P b signal of trade | ---------- b-SignalOfTrade | |
| Use signal of trade | False | |
| P what output | ---------- | |
| Out account number | True | |
| Out account server | True | |
| Out name expert | True |
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: Pending Orders · Trailing Stop & Break-even · Risk & Lot Size · MACD · Fractals · ZigZag · MT4 Expert Advisor · MQL4 Source Code