{
  "id": 5788,
  "rank": 2031,
  "name": "Ultimate Bollinger Bands D",
  "aka": [
    "Ultimate Bollinger Bands D"
  ],
  "family": "B",
  "subtype": "B1",
  "one_liner": "A trading robot that uses Bollinger Bands to automate trading on financial markets, particularly effective on Gold (XAUUSD).",
  "market_regime": "any",
  "timeframes": [
    "30 minutes"
  ],
  "symbols": [
    "XAUUSD"
  ],
  "sessions": [
    "null"
  ],
  "indicators": [
    {
      "name": "Bollinger Bands",
      "params": {
        "length": 20,
        "numdevs": 2
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "null"
  ],
  "entry_short": [
    "null"
  ],
  "exit_rules": [
    "stop loss or take profit is triggered",
    "time of the last bar is equal to or greater than endtime (when CloseAtEnd is set to true)",
    "conditions to reverse the position are met"
  ],
  "filters": [
    "null"
  ],
  "stop_loss": "stop loss parameter (mystop) is set as a percentage of the last closed bar's closing price",
  "take_profit": "take profit parameter (myprofit) is set as a percentage of the last closed bar's closing price",
  "position_size": "fixed, not percentage-based, default: 0.01",
  "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/5788-ultimate-bollinger-bands-d",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/market/product/188283",
  "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."
}