{
  "id": 166,
  "rank": 754,
  "name": "Hidden Smash Day",
  "aka": [
    "Hidden Smash Day Reversal Patterns"
  ],
  "family": "J",
  "subtype": "J1",
  "one_liner": "Detects Hidden Smash Day patterns and trades based on confirmation on the next bar.",
  "market_regime": "any",
  "timeframes": [
    "M15"
  ],
  "symbols": [
    "_Symbol"
  ],
  "sessions": [
    "any"
  ],
  "indicators": [
    {
      "name": "ATR",
      "params": {
        "period": 14
      },
      "applied_to": "close"
    }
  ],
  "entry_long": [
    "bar close higher than previous bar",
    "closing price within lower 25% of bar range",
    "optional: close below bar open"
  ],
  "entry_short": [
    "bar close lower than previous bar",
    "closing price within upper 25% of bar range",
    "optional: close above bar open"
  ],
  "exit_rules": [
    "confirming bar closes above smash bar high for long",
    "confirming bar closes below smash bar low for short"
  ],
  "filters": [
    "none"
  ],
  "stop_loss": "based on ATR or smash bar structure",
  "take_profit": "not specified",
  "position_size": "manual or auto based on account balance",
  "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/166-hidden-smash-day",
  "snapshot": "2026-10-31 15:46 UTC",
  "source_url": "https://www.mql5.com/en/articles/21391",
  "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."
}