{
  "id": 8071,
  "rank": 1787,
  "name": "ORB London EA",
  "aka": [
    "ORB London Expert Advisor"
  ],
  "family": "A",
  "subtype": "A3",
  "one_liner": "Trades the opening range breakout of the London session, placing stop orders at range extremes.",
  "market_regime": "trending|ranging|volatile|breakout",
  "timeframes": [
    "M5"
  ],
  "symbols": [
    "EURUSD"
  ],
  "sessions": [
    "London open 08:00-11:00 GMT"
  ],
  "indicators": [],
  "entry_long": [
    "range breakout above upper stop order"
  ],
  "entry_short": [
    "range breakout below lower stop order"
  ],
  "exit_rules": [
    "forced close at configurable server hour",
    "one trade per day by default"
  ],
  "filters": [
    "minimum and maximum range filters",
    "optional trend filter",
    "individual weekdays can be enabled or disabled"
  ],
  "stop_loss": "at the opposite end of the range plus a buffer",
  "take_profit": "fixed multiple of the risk",
  "position_size": "percentage of equity risked per trade, computed from the range width, with an optional maximum lot",
  "evidence_type": "backtest_shown",
  "completeness": 50.0,
  "signal_warnings": null,
  "claim_warnings": null,
  "opacity_warnings": null,
  "build_warnings": null,
  "canonical": "https://prismaticalgos.com/compendium/algo/8071-orb-london-ea",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/market/product/196592",
  "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."
}