{
  "id": 1971,
  "rank": 2842,
  "name": "Trading System 1",
  "aka": [
    "Trading System 1",
    "System 1"
  ],
  "family": "A",
  "subtype": "A6",
  "one_liner": "Enters long when Heikin-Ashi bullish candle crosses over Parabolic SAR with no lower wick, exits on bearish candle.",
  "market_regime": "trending|ranging|volatile|breakout|any",
  "timeframes": [
    "M15"
  ],
  "symbols": [
    "EURUSD"
  ],
  "sessions": [
    "any"
  ],
  "indicators": [
    {
      "name": "Heikin-Ashi",
      "params": {},
      "applied_to": "close"
    },
    {
      "name": "Parabolic SAR",
      "params": {
        "acceleration": 0.02,
        "maximum": 0.02,
        "step": 0.2
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "Bullish Heikin-Ashi candle",
    "xClose crosses over MySAR",
    "LowerWick = 0",
    "Not OnMarket"
  ],
  "entry_short": [
    "Bearish Heikin-Ashi candle",
    "xClose crosses under MySAR",
    "UpperWick = 0",
    "Not OnMarket"
  ],
  "exit_rules": [
    "Bearish candle while LongOnMarket",
    "Bullish candle while ShortOnMarket"
  ],
  "filters": [
    "none"
  ],
  "stop_loss": "Breakeven on first move, then trailing stop",
  "take_profit": "Trailing stop",
  "position_size": "1 Contract",
  "evidence_type": "source_code",
  "completeness": 80.0,
  "signal_warnings": null,
  "claim_warnings": null,
  "opacity_warnings": null,
  "build_warnings": null,
  "canonical": "https://prismaticalgos.com/compendium/algo/1971-trading-system-1",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.prorealcode.com/topic/3-trading-system/",
  "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."
}