AutoLot20PipScalper_v2 — EURUSD M5 Expert Advisor

A fully mechanical EURUSD scalper EA for MetaTrader 5. Combines EMA crossover, RSI momentum, ADX trend strength, and H1 trend alignment for high-probability entries. Includes auto lot sizing, breakeven, trailing stop, session filter, spread filter, and daily loss protection.

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Features

• Multi-filter entry logic — EMA cross + RSI + ADX + H1 trend confirmation
• Auto lot sizing — risk a fixed % of account balance per trade
• Breakeven — moves SL to entry + 1 pip once profit target is hit
• Trailing stop — activates after 30 pips profit, trails by configurable pips
• Session filter — trades only during London/NY overlap (GMT 08:00–12:00)
• Spread filter — skips entry if spread exceeds threshold
• Daily loss protection — closes all trades and halts when daily drawdown limit is reached
• Single trade mode — max 1 open position at a time

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Entry Logic

BUY (Long)

| Condition | Detail | |---|---| | EMA crossover | EMA9 crosses above EMA21 on M5 | | RSI | RSI(14) > 50 | | ADX | ADX(14) > 25 (strong trend) | | H1 trend | H1 EMA9 > H1 EMA21 (bullish higher timeframe) | | Spread | ≤ MaxSpreadPips | | Session | GMT 08:00 – 12:00 | | Open trades | < MaxTrades |

SELL (Short)

Mirror of the above — EMA9 crosses below EMA21, RSI < 50, H1 EMA9 < H1 EMA21.

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Exit Logic

| Rule | Trigger | |---|---| | Stop Loss | Fixed StopLossPips from entry | | Take Profit | Fixed TakeProfitPips from entry | | Breakeven | Profit ≥ BreakevenPips → SL moves to entry + 1 pip | | Trailing Stop | Profit ≥ 30 pips → trail SL by TrailingStopPips | | Daily Loss | Balance drawdown ≥ MaxDailyLossPercent → close all & stop |

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Input Parameters

| Parameter | Default | Description | |---|---|---| | MagicNumber | 20260330 | Unique EA identifier | | RiskPercent | 1.0 | % of balance risked per trade | | StopLossPips | 20 | Fixed stop loss in pips | | TakeProfitPips | 50 | Fixed take profit in pips (1:2.5 RR) | | BreakevenPips | 15 | Profit pips to trigger breakeven | | TrailingStopPips | 10 | Trail distance in pips | | TrailingActivatePips | 30 | Profit pips to activate trailing | | MaxSpreadPips | 1.5 | Max allowed spread to enter | | TradingStartHourGMT | 8 | Session start (GMT) | | TradingEndHourGMT | 12 | Session end (GMT) | | MaxDailyLossPercent | 20.0 | Max daily drawdown % before halt | | MaxTrades | 1 | Max concurrent open trades | | TradeComment | AutoLot20PipScalper_v2 | Trade comment label |

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Installation

• Download AutoLot20PipScalper_v2.mq5
• Copy to MQL5/Experts/ in your MT5 data folder
• Open MetaEditor → compile (F7) — should return 0 errors
• Attach to an EURUSD M5 chart
• Enable Algo Trading in MT5 toolbar
• Adjust inputs from the Inputs tab as needed

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Backtesting

• Open Strategy Tester (Ctrl+R)
• Select AutoLot20PipScalper_v2
• Symbol: EURUSD | Timeframe: M5
• Model: Every tick based on real ticks (recommended)
• Date range: minimum 3 months of recent data

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Indicators Used

| Indicator | Period | Timeframe | |---|---|---| | EMA Fast | 9 | M5 | | EMA Slow | 21 | M5 | | RSI | 14 | M5 | | ADX | 14 | M5 | | EMA Fast | 9 | H1 | | EMA Slow | 21 | H1 |

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Requirements

• MetaTrader 5 (any broker)
• Symbol: EURUSD only
• Chart timeframe: M5 only
• Minimum recommended balance: $500+

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License

MIT — free to use and modify.