{
  "id": 3210,
  "rank": 1108,
  "name": "Trend_Catcher",
  "aka": [
    "Trend_Catcher expert for MetaTrader 4"
  ],
  "family": "A",
  "subtype": "A6",
  "one_liner": "Trend detection using MAs and Parabolic SAR, with martingale and customizable SL/TP.",
  "market_regime": "trending|null",
  "timeframes": [
    "null"
  ],
  "symbols": [
    "null"
  ],
  "sessions": [
    "null"
  ],
  "indicators": [
    {
      "name": "Parabolic SAR",
      "params": {},
      "applied_to": "close"
    },
    {
      "name": "MA",
      "params": {
        "period": 200
      },
      "applied_to": "close"
    },
    {
      "name": "MA",
      "params": {
        "period": 50
      },
      "applied_to": "close"
    },
    {
      "name": "MA",
      "params": {
        "period": 25
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "current price > Parabolic SAR",
    "previous close < previous Parabolic SAR",
    "MA > first slow MA",
    "current price > second MA with other period"
  ],
  "entry_short": [
    "current price < Parabolic SAR",
    "previous close > previous Parabolic SAR",
    "MA < first slow MA",
    "current price < second MA with other period"
  ],
  "exit_rules": [
    "opposite signal"
  ],
  "filters": [
    "null"
  ],
  "stop_loss": "Auto_SL = true: distance * SL_koef; Auto_SL = false: fixed SL in points",
  "take_profit": "Auto_TP = true: Stop Loss * TP_koef; Auto_TP = false: fixed TP in points",
  "position_size": "lot size = deposit * Risk / Stop Loss",
  "evidence_type": "source_code",
  "completeness": 50.0,
  "signal_warnings": null,
  "claim_warnings": [
    "RECOVERY SIZING: position size increases after losses (martingale/grid/averaging). Equity curves look smooth until the run that does not recover - judge it on worst-case exposure, not win rate."
  ],
  "opacity_warnings": null,
  "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/3210-trend-catcher",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/code/13661",
  "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."
}