{
  "fc_year": 27,
  "models": {
    "live": {
      "name": "fc27_champion",
      "model_sha256": "e63d7be17745ed6672aae7149c78980ffc16328ff4d19444a6e4b75a6c6c54fb",
      "spec_sha256": "f719833b9d52ed1a3c47d3ded325ae5427db47621f38e60b3cfe937f37960da7"
    },
    "benchmark": {
      "name": "rung2_lgbm_B",
      "model_sha256": "9b59a57ac8509b281059303434e44f9755643fc146dabd42c5d3629054a6fde6",
      "spec_sha256": "6a7e4eaedcb13d03508bfcdf0163f2fa3c6c72471e5c94b7a2272e5912a2400f"
    }
  },
  "format": {
    "columns": [
      "model",
      "item_id",
      "pred_class",
      "in_trade",
      "pred_logret"
    ],
    "rows": "the two locked models' calls for one publication, sorted by model, then by item_id as an integer",
    "pred_class": "0 down, 1 hold, 2 up",
    "in_trade": "true or false (a buy call)",
    "pred_logret": "fixed-point, 6 decimals",
    "encoding": "UTF-8, LF line endings, a header line, a final LF",
    "sha256": "of the file's bytes"
  },
  "on_time_days": 2,
  "updated_at": "2026-09-26T18:37:00Z",
  "commitments": [
    {
      "anchor_date": "2026-09-17",
      "first_published_at": "2026-09-26T00:18:03.000Z",
      "file": "calls/2026-09-17.csv",
      "sha256": "005b6bb9861284ba5c9137b3926468d3f1047a1ba639b8aad4d439244685831b",
      "rows": 746,
      "models": {
        "fc27_champion": {
          "cards": 373,
          "buy_calls": 91
        },
        "rung2_lgbm_B": {
          "cards": 373,
          "buy_calls": 68
        }
      },
      "resolves_at": "2026-10-01T00:00:00Z",
      "fingerprint_recorded_at": "2026-09-26T18:37:00Z"
    },
    {
      "anchor_date": "2026-09-24",
      "first_published_at": "2026-09-26T00:18:03.000Z",
      "file": "calls/2026-09-24.csv",
      "sha256": "ac08c57dc60d18b17ca2bfd994da8aa1de40a5152f23204b3abb8cdc0552748d",
      "rows": 800,
      "models": {
        "fc27_champion": {
          "cards": 400,
          "buy_calls": 102
        },
        "rung2_lgbm_B": {
          "cards": 400,
          "buy_calls": 78
        }
      },
      "resolves_at": "2026-10-08T00:00:00Z",
      "fingerprint_recorded_at": "2026-09-26T18:37:00Z"
    }
  ]
}