{
  "id": 550,
  "rank": 2230,
  "name": "EU_15_111517128_S_Op_CF_SQ3",
  "aka": [
    "Eurusd Bollinger Bands Breaker"
  ],
  "family": "B",
  "subtype": "B1",
  "one_liner": "Trades EURUSD using Bollinger Bands width to enter long and short positions with stop and trailing stops.",
  "market_regime": "any",
  "timeframes": [
    "M15"
  ],
  "symbols": [
    "EURUSD"
  ],
  "sessions": [
    "any"
  ],
  "indicators": [
    {
      "name": "Bollinger Bands",
      "params": {
        "period": 195
      },
      "applied_to": "close"
    },
    {
      "name": "ATR",
      "params": {
        "period": 25
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "no recent trade and BB Width Ratio > 0"
  ],
  "entry_short": [
    "no recent trade and BB Width Ratio < 0"
  ],
  "exit_rules": [
    "SL to break-even at 25 pips, trailing stop of 35 pips"
  ],
  "filters": [],
  "stop_loss": "3.1 * ATR(25)",
  "take_profit": null,
  "position_size": "fixed lot or free margin percentage",
  "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/550-eu-15-111517128-s-op-cf-sq3",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/market/product/119379",
  "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."
}