{
  "id": 219,
  "rank": 1963,
  "name": "London Breakout EA",
  "aka": [
    "London Session Breakout System",
    "London Breakout Control Center"
  ],
  "family": "A",
  "subtype": "A3",
  "one_liner": "Identifies pre-session ranges and places pending orders to capture breakouts during the London market open, with risk management tools.",
  "market_regime": "trending|ranging|volatile|breakout",
  "timeframes": [
    "M15"
  ],
  "symbols": [
    "EURUSD"
  ],
  "sessions": [
    "London open 09:00-08:00 GMT"
  ],
  "indicators": [],
  "entry_long": [
    "Pre-London high price reached",
    "London session start detected"
  ],
  "entry_short": [
    "Pre-London low price reached",
    "London session start detected"
  ],
  "exit_rules": [
    "Trailing stop activated",
    "Profit target reached",
    "Daily drawdown limit exceeded",
    "Max open trades limit reached"
  ],
  "filters": [
    "Pre-London range between 100 and 300 points",
    "Max 2 simultaneous open trades",
    "Daily drawdown limit of 5.0%"
  ],
  "stop_loss": "Stop loss placed at Pre-London range",
  "take_profit": "Take profit set at Risk to Reward Ratio * Stop loss",
  "position_size": "Fixed lot size of 0.01",
  "evidence_type": "source_code",
  "completeness": 50.0,
  "signal_warnings": null,
  "claim_warnings": null,
  "opacity_warnings": null,
  "build_warnings": null,
  "canonical": "https://prismaticalgos.com/compendium/algo/219-london-breakout-ea",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/articles/18867",
  "limitations": "These are machine-extracted research records, not verified trading systems. Catalog rank measures specification detail and claimed evidence, not profitability. The catalog extraction pipeline did not independently backtest these records. Its separate selected testing ledger does not validate the wider corpus. Rules, labels and parameters can be incomplete or wrong; consult the original source and its reuse terms."
}