{
  "id": 9754,
  "rank": 1375,
  "name": "Night Owl v2",
  "aka": [
    "XAUSD"
  ],
  "family": "A",
  "subtype": "A2",
  "one_liner": "Donchian Channel Breakout with ADX trend filter and ATR-based risk management",
  "market_regime": "trending",
  "timeframes": [
    "Daily"
  ],
  "symbols": [
    "Any forex pair, indices, or commodities"
  ],
  "sessions": [
    "null"
  ],
  "indicators": [
    {
      "name": "Donchian Channel",
      "params": {
        "period": 20
      },
      "applied_to": "high"
    },
    {
      "name": "Donchian Channel",
      "params": {
        "period": 10
      },
      "applied_to": "low"
    },
    {
      "name": "ADX",
      "params": {
        "period": 14
      },
      "applied_to": "close"
    },
    {
      "name": "ATR",
      "params": {
        "period": 20
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "Breakout of recent highs (20 periods)"
  ],
  "entry_short": [
    "Breakout of recent lows (20 periods)"
  ],
  "exit_rules": [
    "Reverse breakout (10 periods)"
  ],
  "filters": [
    "ADX trend filter (25 threshold)"
  ],
  "stop_loss": "ATR-based dynamic stop loss (2.0x ATR)",
  "take_profit": "Risk/Reward ratio based take profit (2:1)",
  "position_size": "2% per trade, up to 10 units pyramiding",
  "evidence_type": "backtest_shown",
  "completeness": 80.0,
  "signal_warnings": null,
  "claim_warnings": null,
  "opacity_warnings": [
    "UNDEFINED ENTRY TERM: the entry conditions are prose naming a concept with no numeric definition, so two readers would implement them differently. Advisory only -- this does not affect the score."
  ],
  "build_warnings": [
    "DAILY_LOW_COUNT: daily-or-slower timeframe on a single instrument. Expect well under 100 trades in five years, so a backtest will rarely reach statistical significance on its own."
  ],
  "canonical": "https://prismaticalgos.com/compendium/algo/9754-night-owl-v2",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/market/product/181029",
  "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."
}