{
  "qualified_for": "historical front-contract reference-level signal diagnostics only; not returns, actual contract execution, strategy validation or a point-in-time archive",
  "source": "U.S. Energy Information Administration",
  "series": "RCLC1",
  "title": "Cushing, OK Crude Oil Future Contract 1 (Dollars per Barrel)",
  "source_url": "https://www.eia.gov/dnav/pet/hist/RCLC1D.htm",
  "download_url": "https://www.eia.gov/dnav/pet/hist_xls/RCLC1d.xls",
  "definitions_url": "https://www.eia.gov/dnav/pet/TblDefs/pet_pri_fut_tbldef2.asp",
  "reuse_url": "https://www.eia.gov/about/copyrights_reuse.php",
  "retrieved_at": "2026-10-16T11:24:03.785087+00:00",
  "source_files": {
    "RCLC1d.xls": "45587dc0eef295c0208422be901d9fc4eef4f34c33d138ebf340468fd4bf3975",
    "RCLC1D.html": "784ca1fd8f0057ca8e230990dc0b55d1bbf62fb15a99e08b0af62092bbd28680"
  },
  "selected_sha256": "ce706972c8ba210691ae24a82359330ebd1f605e27dc88b258bbaf6cf4edb4dc",
  "observations": 377,
  "first": "2022-07-01",
  "last": "2023-12-29",
  "assessment_observations": 250,
  "assessment_first": "2023-01-03",
  "assessment_last": "2023-12-29",
  "prior_observations": 127,
  "xls_html_value_matches": 377,
  "long_calendar_gaps": [
    {
      "from": "2022-07-01",
      "to": "2022-07-05",
      "calendar_days": 4
    },
    {
      "from": "2022-09-02",
      "to": "2022-09-06",
      "calendar_days": 4
    },
    {
      "from": "2022-12-23",
      "to": "2022-12-27",
      "calendar_days": 4
    },
    {
      "from": "2022-12-30",
      "to": "2023-01-03",
      "calendar_days": 4
    },
    {
      "from": "2023-01-13",
      "to": "2023-01-17",
      "calendar_days": 4
    },
    {
      "from": "2023-02-17",
      "to": "2023-02-21",
      "calendar_days": 4
    },
    {
      "from": "2023-04-06",
      "to": "2023-04-10",
      "calendar_days": 4
    },
    {
      "from": "2023-05-26",
      "to": "2023-05-30",
      "calendar_days": 4
    },
    {
      "from": "2023-06-16",
      "to": "2023-06-20",
      "calendar_days": 4
    },
    {
      "from": "2023-09-01",
      "to": "2023-09-05",
      "calendar_days": 4
    },
    {
      "from": "2023-12-22",
      "to": "2023-12-26",
      "calendar_days": 4
    }
  ],
  "missing_values_imputed": 0,
  "duplicate_dates": 0,
  "publication_scope": "Publish derived diagnostic counts and cost assumptions only, not the raw exchange-sourced history. Link to EIA original download. EIA general reuse guidance has a third-party-material exception; no blanket exchange redistribution license is claimed.",
  "limitations": [
    "Front-contract identity changes through time; no individual-contract map is supplied in this extract.",
    "No back-adjustment or return continuity is asserted.",
    "Observation lag is a teaching rule, not a VR research-fill policy or a broker fill.",
    "Missing dates remain absent. Windows count observations, not calendar or guaranteed exchange sessions.",
    "The retrieved vintage is not an as-known-then historical archive.",
    "No model fitting, candidate optimization, strategy performance or certification is performed."
  ]
}