{
  "schema_id": "strategy-research/v1",
  "schema_version": 2.0,
  "id": "golden-butterfly",
  "name": "Golden Butterfly",
  "source": "as",
  "source_label": "AS",
  "strategy_type": "fixed",
  "category": "unknown",
  "holding_type": "multi",
  "verify_status": "pass",
  "replication_corr": 0.9926439136037203,
  "n_months": 0.0,
  "start": null,
  "end": null,
  "performance": {
    "status": "not_estimable",
    "reason": "no published monthly ours series in catalog-monthly.json"
  },
  "diversification": {
    "corr_spy": null,
    "corr_catalog": null,
    "mix_sharpe_delta": null
  },
  "half_sample": {
    "status": "not_estimable",
    "reason": "no published monthly path"
  },
  "eras": [],
  "events": [
    {
      "id": "dotcom",
      "label": "Dot-com bust",
      "start": "2000-03",
      "end": "2002-09",
      "status": "not_estimable",
      "reason": "no published monthly path",
      "strategy_return": null,
      "spy_return": null
    },
    {
      "id": "gfc",
      "label": "Global Financial Crisis",
      "start": "2007-10",
      "end": "2009-03",
      "status": "not_estimable",
      "reason": "no published monthly path",
      "strategy_return": null,
      "spy_return": null
    },
    {
      "id": "covid",
      "label": "COVID crash",
      "start": "2020-02",
      "end": "2020-03",
      "status": "not_estimable",
      "reason": "no published monthly path",
      "strategy_return": null,
      "spy_return": null
    },
    {
      "id": "inflation_2022",
      "label": "2022 inflation shock",
      "start": "2022-01",
      "end": "2022-09",
      "status": "not_estimable",
      "reason": "no published monthly path",
      "strategy_return": null,
      "spy_return": null
    }
  ],
  "charts": {},
  "tools": [
    {
      "id": "strategy_report",
      "title": "Strategy report",
      "href": "../strategies/golden-butterfly.html",
      "status": "ok",
      "note": "Open the strategy report for whatever allocation or replication data exists."
    }
  ],
  "grade": {
    "score": null,
    "letter": "I",
    "factor_letters": {
      "edge": "I",
      "bootstrap": "I",
      "persistence": "I",
      "stability": "I",
      "cost": "I",
      "regimes": "I"
    },
    "factor_scores": {
      "edge": null,
      "bootstrap": null,
      "persistence": null,
      "stability": null,
      "cost": null,
      "regimes": null
    },
    "weights": {
      "edge": 0.2,
      "bootstrap": 0.18,
      "persistence": 0.16,
      "stability": 0.16,
      "cost": 0.15,
      "regimes": 0.15
    },
    "missing_weight": 1.0
  },
  "factor_scores": {
    "edge": null,
    "bootstrap": null,
    "persistence": null,
    "stability": null,
    "cost": null,
    "regimes": null
  },
  "links": {
    "strategy_page": "strategies/golden-butterfly.html",
    "tearsheet": "tearsheets/strategies/golden-butterfly.html",
    "payload": "site-data/strategies/golden-butterfly.json",
    "research_payload": "site-data/strategy-research/golden-butterfly.json",
    "index": "strategy-research.html"
  },
  "writeup": {
    "verdict": "Golden Butterfly receives grade I because no published monthly ours path is available in catalog-monthly.json. Robustness tests need that path.",
    "edge": "Not estimable without a monthly return path.",
    "bootstrap": "Not estimable without a monthly return path.",
    "persistence": "Not estimable without a monthly return path.",
    "stability": "Not estimable without a monthly return path.",
    "cost": "Not estimable without a monthly return path.",
    "regimes": "Not estimable without a monthly return path.",
    "headline": "No published monthly ours series.",
    "limitations": "Re-export catalog-monthly.json after a successful ours backtest, then rebuild strategy-research."
  },
  "generated_at": "2026-09-22T18:23:05Z"
}