{
  "mlb": {
    "2026-06": {
      "n": 5030,
      "model_brier": 0.1968,
      "market_brier": 0.1873,
      "model_ece": 0.1265,
      "market_ece": 0.121
    },
    "2026-07": {
      "n": 22321,
      "model_brier": 0.16,
      "market_brier": 0.1428,
      "model_ece": 0.075,
      "market_ece": 0.0439
    }
  },
  "soccer_intl": {
    "2026-06": {
      "n": 1213,
      "model_brier": 0.3273,
      "market_brier": 0.1955,
      "model_ece": 0.3644,
      "market_ece": 0.2596
    },
    "2026-07": {
      "n": 3052,
      "model_brier": 0.3346,
      "market_brier": 0.195,
      "model_ece": 0.4243,
      "market_ece": 0.2952
    }
  },
  "as_of": "2026-09-16",
  "corpus": "data/cache/ingame_grade_joined/{mlb_segmented,soccer_intl_segmented}"
}