Bollinger Blade
- Uzmanlar
- Alfet Nigmatullin
- Sürüm: 1.4
📌 Overview
Scalper's Blade is a professional scalping Expert Advisor based on the classic Bollinger Bands strategy. The EA enters a position when the price crosses the upper or lower band and closes the trade with a fixed Stop Loss and Take Profit. Perfect for traders who prefer a mechanical approach with clear entry rules.
🎯 Strategy Logic
| Signal | Condition | Action |
|---|---|---|
| SELL | Previous candle close > Upper Band & Current candle close < Upper Band | Sell Market |
| BUY | Previous candle close < Lower Band & Current candle close > Lower Band | Buy Market |
Exit: Fixed Stop Loss (200 points) and Take Profit (100 points)
⚙️ Input Parameters
| Parameter | Description | Default |
|---|---|---|
| LotSize | Trading volume | 0.1 |
| BB_Period | Bollinger Bands period | 20 |
| BB_Deviation | Bollinger Bands deviation | 2 |
| StopLossPoints | Stop Loss in points | 200 |
| TakeProfitPoints | Take Profit in points | 100 |
| MagicNumber | Unique EA identifier | 20260329 |
| Slippage | Maximum allowed slippage | 3 |
🔧 Features
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✅ Simple and transparent logic – no martingale, no grid, no dangerous methods
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✅ One position at a time – no overlapping signals
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✅ Works on any timeframe – recommended M1, M5, M15
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✅ 4-digit and 5-digit broker support – automatic point adjustment
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✅ Lightweight – minimal CPU usage
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✅ Fully commented code – easy to understand and modify
📈 Recommendations
| Parameter | Recommendation |
|---|---|
| Timeframe | M1, M5 or M15 |
| Instruments | EURUSD, GBPUSD, USDJPY (low spread) |
| Broker | ECN with low commission |
| Account type | Any (hedging system) |
| Minimum deposit | $100 for 0.01 lot |
⚠️ Important Notes
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The EA enters trades only on closed candles – no repainting
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SL and TP are set in points, not pips
*(For 5-digit brokers: 200 points = 20 pips / For 4-digit brokers: 200 points = 20 pips)* -
Only one BUY and one SELL position can be opened simultaneously
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Always test in Strategy Tester before live trading
🧪 Testing
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Open Strategy Tester in MT4 (Ctrl+R)
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Select Scalper's Blade
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Choose Visual mode to see entries in real time
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Recommended testing period: 3-6 months
📞 Support
For questions, suggestions or custom modifications, contact the author via MQL5 private messages.
Version: 1.02
Last update: March 2026
Category: Scalping / Bollinger Bands
