{
  "id": 842,
  "rank": 1103,
  "name": "Bollinger Bands as Support & Resistance",
  "aka": [
    "Bollinger Bands as Support & Resistance Using Pending Orders"
  ],
  "family": "B",
  "subtype": "B1",
  "one_liner": "Uses Bollinger Bands to place buy and sell pending orders based on upper and lower edges.",
  "market_regime": "any",
  "timeframes": [
    "M15"
  ],
  "symbols": [
    "null"
  ],
  "sessions": [
    "null"
  ],
  "indicators": [
    {
      "name": "Bollinger Bands",
      "params": {
        "period": "BB_period",
        "deviation": "BB_dev"
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "BB_UPPER"
  ],
  "entry_short": [
    "BB_LOWER"
  ],
  "exit_rules": [
    "BB_SMA"
  ],
  "filters": [
    "null"
  ],
  "stop_loss": "null",
  "take_profit": "null",
  "position_size": "null",
  "evidence_type": "source_code",
  "completeness": 50.0,
  "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": [
    "MT4_ONLY: the captured source is MQL4 / written for MetaTrader 4. It needs porting (order functions, indicator handles) before it runs on MT5."
  ],
  "canonical": "https://prismaticalgos.com/compendium/algo/842-bollinger-bands-as-support-resistance",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/code/14992",
  "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."
}