1. Trend-Following EA

Logic: EMA crossover (e.g., EMA20 & EMA50), ADX filter, MACD confirmation.

Works Best In: Trending markets.

Risk: Moderate. May underperform in sideways conditions.

See: MT5 Trend-Following EA with EMA + ADX: Code & Real Backtest Results | Meta Traders

2. Mean Reversion EA

Logic: RSI-based entry (e.g., Buy if RSI < 30), Bollinger Band confirmation.

Works Best In: Range-bound markets, especially during Tokyo session.

Risk: Needs careful exit timing to avoid trend traps.

See: Mean Reversion EA for MT5: Bollinger Bands Strategy with MQL5 Code & Backtest Results | Meta Traders

3. Breakout EA

Logic: Entry on recent high/low breakout with volume confirmation.

Works Best In: Volatile markets (London/NY open).

Risk: False breakouts possible; proper stop-loss required.

4. Time-Based EA

Logic: Session-specific strategies (e.g., range in Asia, breakout in London).

Works Best In: Defined time windows with stable patterns.

Risk: Requires precise session timing and pair selection.

5. Martingale/Grid EA (High-Risk)

Logic: Adds trades on drawdown, increases lot size for recovery.

Works Best In: Stable, mean-reverting pairs like EURCHF.

Risk: High. Must have stop-out logic to prevent account wipe.

6. News-Aware EA (AI-Enhanced)

Logic: Avoids trading around economic news, adapts to sentiment.

Works Best In: Volatile conditions with external data integration.

Risk: Needs API support or external AI logic (e.g., Python backend).