{
  "study_version": "1.0.0",
  "observation_cutoff_utc": "2026-09-11",
  "data_frozen_at_utc": "2026-09-13T12:51:54Z",
  "latest": {
    "btc_close_usd": 77203.588748,
    "power_law_reference_usd": 129493.15317263542,
    "power_law_deviation_pct": -40.38017697733017,
    "s2f_reference_usd": 402967.3209914761,
    "s2f_deviation_pct": -80.84122837602679,
    "pi_ratio": 0.42103041342945957,
    "pi_cross_up": 0.0,
    "opportunity_score": 4.674676432307317,
    "bhi": 35.95,
    "bhi_wikipedia_normalized": 65.69,
    "bhi_google_normalized": 17.1,
    "bhi_youtube_normalized": 25.05,
    "price_provenance": "coingecko_ticks_utc_last_sample",
    "bhi_provenance": "components_verified_at_freeze"
  },
  "power_law_fit": {
    "a": 1.573149711764312e-16,
    "alpha": -36.388281692410736,
    "b": 5.489291441477998,
    "n": 5730,
    "first_date": "2011-01-04",
    "last_date": "2026-09-11",
    "policy": "Descriptive log-log OLS fitted only to completed closes through the common cutoff; not an archived real-time forecast."
  },
  "historical_comparison": {
    "start": "2021-01-01",
    "end": "2026-09-11",
    "days": 2080,
    "opposite_side_days": 521,
    "opposite_side_pct": 25.048076923076923,
    "definition": "One daily close is above one reference and below the other; sign of the two deviations differs. This is not a trading signal or an accuracy score.",
    "annual": [
      {
        "year": 2021,
        "days": 365,
        "power_law_median_deviation_pct": 135.89424522923807,
        "s2f_median_deviation_pct": 93.34282439324406,
        "opposite_side_days": 0,
        "opposite_side_pct": 0.0
      },
      {
        "year": 2022,
        "days": 365,
        "power_law_median_deviation_pct": -23.466857917338977,
        "s2f_median_deviation_pct": -29.961134376225097,
        "opposite_side_days": 33,
        "opposite_side_pct": 9.04109589041096
      },
      {
        "year": 2023,
        "days": 365,
        "power_law_median_deviation_pct": -34.73726249766032,
        "s2f_median_deviation_pct": -20.090386750901025,
        "opposite_side_days": 52,
        "opposite_side_pct": 14.246575342465754
      },
      {
        "year": 2024,
        "days": 366,
        "power_law_median_deviation_pct": 2.4404501177759608,
        "s2f_median_deviation_pct": 18.904122845155523,
        "opposite_side_days": 124,
        "opposite_side_pct": 33.87978142076503
      },
      {
        "year": 2025,
        "days": 365,
        "power_law_median_deviation_pct": 19.804007728641416,
        "s2f_median_deviation_pct": -66.39111344128736,
        "opposite_side_days": 312,
        "opposite_side_pct": 85.47945205479452
      },
      {
        "year": 2026,
        "days": 254,
        "power_law_median_deviation_pct": -37.98912607507573,
        "s2f_median_deviation_pct": -82.25032825088547,
        "opposite_side_days": 0,
        "opposite_side_pct": 0.0
      }
    ]
  },
  "versions": {
    "opportunity": "Recovery-6 v1",
    "pi": "8.0.1",
    "powerlaw": "9.0.0",
    "s2f": "9.0.0",
    "hype": "9.0.0"
  },
  "limitations": [
    "Underlying prices before 2026-03-14 have unverified original vendor and closing cutoff.",
    "The Power Law curve is retrospectively fitted through the study cutoff.",
    "S2F uses a custom coefficient with undocumented original calibration, not an exact PlanB reproduction.",
    "Opportunity Score values are frozen published model outputs; the study does not refit or independently validate its training.",
    "Historical BHI raw collection/normalization metadata are incomplete. Only the marked current endpoint has source verification captured in this study.",
    "No forward returns, execution costs or predictive performance are evaluated."
  ]
}