{
  "description": "ページ上部のメインKPI（現在表示中の数値・n=4,791系）を完全再現するための実行結果データ。aggregation_sql.txt のクエリを、この basis_date を基準日として実行すると同じ値が得られます。",
  "basis_date": "2026-08-13",
  "fetched_at_jst": "2026-08-14T22:38:00+09:00",
  "population_definition": "void_race=false AND late_snapshot=false",
  "all_time": {
    "n": 4791,
    "date_from": "2026-07-12",
    "date_to": "2026-08-13",
    "hit_1st_pct": 55.79,
    "hit_top2_pct": 74.43,
    "hit_top3_pct": 84.07,
    "hit_trifecta_pct": 8.93
  },
  "last_30d": {
    "n": 4595,
    "date_from": "2026-07-15",
    "date_to": "2026-08-13",
    "hit_1st_pct": 55.58,
    "hit_top2_pct": 74.36,
    "hit_top3_pct": 83.94,
    "hit_trifecta_pct": 8.75
  },
  "last_7d": {
    "n": 1163,
    "date_from": "2026-08-07",
    "date_to": "2026-08-13",
    "hit_1st_pct": 54.26,
    "hit_top2_pct": 73.34,
    "hit_top3_pct": 83.75,
    "hit_trifecta_pct": 8.51
  },
  "void_race_count": 29,
  "late_snapshot_count": 0,
  "unreconciled_count": 0,
  "weekly": [
    { "iso_week": "2026-W28", "date_from": "2026-07-12", "date_to": "2026-07-12", "n": 15,   "hit_1st_pct": 40.0,  "hit_top2_pct": 60.0,  "hit_top3_pct": 86.67, "hit_trifecta_pct": 6.67 },
    { "iso_week": "2026-W29", "date_from": "2026-07-13", "date_to": "2026-07-19", "n": 915,  "hit_1st_pct": 53.77, "hit_top2_pct": 73.77, "hit_top3_pct": 84.26, "hit_trifecta_pct": 7.98 },
    { "iso_week": "2026-W30", "date_from": "2026-07-20", "date_to": "2026-07-26", "n": 1116, "hit_1st_pct": 54.75, "hit_top2_pct": 72.94, "hit_top3_pct": 81.27, "hit_trifecta_pct": 10.3 },
    { "iso_week": "2026-W31", "date_from": "2026-07-27", "date_to": "2026-08-02", "n": 1054, "hit_1st_pct": 57.78, "hit_top2_pct": 76.0,  "hit_top3_pct": 84.82, "hit_trifecta_pct": 9.96 },
    { "iso_week": "2026-W32", "date_from": "2026-08-03", "date_to": "2026-08-09", "n": 1007, "hit_1st_pct": 57.8,  "hit_top2_pct": 75.57, "hit_top3_pct": 86.69, "hit_trifecta_pct": 7.55 },
    { "iso_week": "2026-W33", "date_from": "2026-08-10", "date_to": "2026-08-13", "n": 684,  "hit_1st_pct": 54.53, "hit_top2_pct": 73.98, "hit_top3_pct": 83.33, "hit_trifecta_pct": 8.48 }
  ],
  "weekly_n_sum": 4791,
  "monthly": [
    { "ym": "2026-07", "date_from": "2026-07-12", "date_to": "2026-07-31", "n": 2800, "hit_1st_pct": 54.71, "hit_top2_pct": 73.75, "hit_top3_pct": 83.07, "hit_trifecta_pct": 9.11 },
    { "ym": "2026-08", "date_from": "2026-08-01", "date_to": "2026-08-13", "n": 1991, "hit_1st_pct": 57.31, "hit_top2_pct": 75.39, "hit_top3_pct": 85.48, "hit_trifecta_pct": 8.69 }
  ],
  "monthly_n_sum": 4791,
  "calibration_30d": [
    { "band": "20-40%",  "n": 841,  "actual_hit1_pct": 32.0, "predicted_avg_pct": 33.6 },
    { "band": "40-60%",  "n": 1521, "actual_hit1_pct": 48.3, "predicted_avg_pct": 50.4 },
    { "band": "60-80%",  "n": 1882, "actual_hit1_pct": 67.3, "predicted_avg_pct": 69.9 },
    { "band": "80-100%", "n": 351,  "actual_hit1_pct": 81.2, "predicted_avg_pct": 83.8 }
  ],
  "note": "0-20%帯は該当データがほぼありません(本命艇は6艇中もっとも確率が高い1艇のため、構造上20%を下回ることはほとんど起きません)。"
}