{
 "meta": {
  "name": "金買取相場指数（純度別・起点日=100）",
  "publisher": "金買取びより（gold-biyori.com）",
  "source": "田中貴金属工業が公表する店頭買取価格（税込）",
  "source_url": "https://gold.tanaka.co.jp/commodity/souba/",
  "method": "田中貴金属が公表するK24店頭買取価格に、純度比（K22=91.7%/K18=75%/K14=58.5%/K10=41.7%）と 業者買取平均係数0.96を掛けて算出した参考値。丸め・推定補完は行っていない。",
  "license": "出典（金買取びより https://gold-biyori.com/kin-kaitori-hakusho/ ）の明記を条件に自由に利用可",
  "update_frequency": "毎日（自動更新）",
  "unit": "円/g（税込）",
  "period": {
   "start": "2026-05-28",
   "end": "2026-08-06"
  },
  "records": 61,
  "caveat": "業者の実際の査定額は状態・付属品・各社の手数料により、この目安を下回るのが一般的です。",
  "base_date": "2026-05-28",
  "note": "起点日の買取単価を100としたときの推移。値動きの比較用。"
 },
 "data": [
  {
   "date": "2026-05-28",
   "k24": 100.0,
   "k22": 100.0,
   "k18": 100.0,
   "k14": 100.0,
   "k10": 100.0
  },
  {
   "date": "2026-06-08",
   "k24": 96.56,
   "k22": 96.56,
   "k18": 96.56,
   "k14": 96.56,
   "k10": 96.56
  },
  {
   "date": "2026-06-09",
   "k24": 97.23,
   "k22": 97.23,
   "k18": 97.23,
   "k14": 97.23,
   "k10": 97.23
  },
  {
   "date": "2026-06-10",
   "k24": 95.35,
   "k22": 95.35,
   "k18": 95.35,
   "k14": 95.35,
   "k10": 95.34
  },
  {
   "date": "2026-06-11",
   "k24": 91.73,
   "k22": 91.73,
   "k18": 91.72,
   "k14": 91.73,
   "k10": 91.72
  },
  {
   "date": "2026-06-12",
   "k24": 94.94,
   "k22": 94.94,
   "k18": 94.94,
   "k14": 94.94,
   "k10": 94.94
  },
  {
   "date": "2026-06-13",
   "k24": 93.73,
   "k22": 93.73,
   "k18": 93.73,
   "k14": 93.73,
   "k10": 93.72
  },
  {
   "date": "2026-06-14",
   "k24": 93.73,
   "k22": 93.73,
   "k18": 93.73,
   "k14": 93.73,
   "k10": 93.72
  },
  {
   "date": "2026-06-15",
   "k24": 96.78,
   "k22": 96.79,
   "k18": 96.79,
   "k14": 96.79,
   "k10": 96.79
  },
  {
   "date": "2026-06-16",
   "k24": 97.06,
   "k22": 97.06,
   "k18": 97.05,
   "k14": 97.05,
   "k10": 97.05
  },
  {
   "date": "2026-06-17",
   "k24": 97.86,
   "k22": 97.86,
   "k18": 97.86,
   "k14": 97.86,
   "k10": 97.86
  },
  {
   "date": "2026-06-18",
   "k24": 97.05,
   "k22": 97.05,
   "k18": 97.05,
   "k14": 97.05,
   "k10": 97.05
  },
  {
   "date": "2026-06-19",
   "k24": 94.92,
   "k22": 94.93,
   "k18": 94.92,
   "k14": 94.92,
   "k10": 94.92
  },
  {
   "date": "2026-06-20",
   "k24": 93.82,
   "k22": 93.82,
   "k18": 93.82,
   "k14": 93.82,
   "k10": 93.81
  },
  {
   "date": "2026-06-21",
   "k24": 93.82,
   "k22": 93.82,
   "k18": 93.82,
   "k14": 93.82,
   "k10": 93.81
  },
  {
   "date": "2026-06-22",
   "k24": 94.52,
   "k22": 94.52,
   "k18": 94.52,
   "k14": 94.52,
   "k10": 94.51
  },
  {
   "date": "2026-06-23",
   "k24": 94.99,
   "k22": 94.99,
   "k18": 94.99,
   "k14": 94.99,
   "k10": 94.99
  },
  {
   "date": "2026-06-24",
   "k24": 93.0,
   "k22": 93.0,
   "k18": 93.0,
   "k14": 93.0,
   "k10": 92.99
  },
  {
   "date": "2026-06-25",
   "k24": 91.05,
   "k22": 91.05,
   "k18": 91.05,
   "k14": 91.05,
   "k10": 91.05
  },
  {
   "date": "2026-06-26",
   "k24": 91.28,
   "k22": 91.28,
   "k18": 91.28,
   "k14": 91.28,
   "k10": 91.28
  },
  {
   "date": "2026-06-27",
   "k24": 91.37,
   "k22": 91.38,
   "k18": 91.37,
   "k14": 91.38,
   "k10": 91.37
  },
  {
   "date": "2026-06-28",
   "k24": 91.37,
   "k22": 91.38,
   "k18": 91.37,
   "k14": 91.38,
   "k10": 91.37
  },
  {
   "date": "2026-06-29",
   "k24": 92.05,
   "k22": 92.05,
   "k18": 92.05,
   "k14": 92.06,
   "k10": 92.05
  },
  {
   "date": "2026-06-30",
   "k24": 91.17,
   "k22": 91.18,
   "k18": 91.17,
   "k14": 91.18,
   "k10": 91.17
  },
  {
   "date": "2026-07-01",
   "k24": 91.49,
   "k22": 91.49,
   "k18": 91.48,
   "k14": 91.49,
   "k10": 91.48
  },
  {
   "date": "2026-07-02",
   "k24": 92.37,
   "k22": 92.37,
   "k18": 92.37,
   "k14": 92.37,
   "k10": 92.36
  },
  {
   "date": "2026-07-03",
   "k24": 93.88,
   "k22": 93.88,
   "k18": 93.88,
   "k14": 93.88,
   "k10": 93.87
  },
  {
   "date": "2026-07-04",
   "k24": 94.36,
   "k22": 94.37,
   "k18": 94.37,
   "k14": 94.36,
   "k10": 94.36
  },
  {
   "date": "2026-07-05",
   "k24": 94.36,
   "k22": 94.37,
   "k18": 94.37,
   "k14": 94.36,
   "k10": 94.36
  },
  {
   "date": "2026-07-06",
   "k24": 94.79,
   "k22": 94.79,
   "k18": 94.79,
   "k14": 94.79,
   "k10": 94.79
  },
  {
   "date": "2026-07-07",
   "k24": 94.78,
   "k22": 94.78,
   "k18": 94.78,
   "k14": 94.78,
   "k10": 94.77
  },
  {
   "date": "2026-07-08",
   "k24": 93.64,
   "k22": 93.64,
   "k18": 93.64,
   "k14": 93.64,
   "k10": 93.64
  },
  {
   "date": "2026-07-09",
   "k24": 93.08,
   "k22": 93.08,
   "k18": 93.08,
   "k14": 93.08,
   "k10": 93.07
  },
  {
   "date": "2026-07-10",
   "k24": 94.06,
   "k22": 94.06,
   "k18": 94.05,
   "k14": 94.06,
   "k10": 94.05
  },
  {
   "date": "2026-07-11",
   "k24": 93.28,
   "k22": 93.28,
   "k18": 93.28,
   "k14": 93.29,
   "k10": 93.28
  },
  {
   "date": "2026-07-12",
   "k24": 93.28,
   "k22": 93.28,
   "k18": 93.28,
   "k14": 93.29,
   "k10": 93.28
  },
  {
   "date": "2026-07-13",
   "k24": 92.95,
   "k22": 92.96,
   "k18": 92.95,
   "k14": 92.96,
   "k10": 92.95
  },
  {
   "date": "2026-07-14",
   "k24": 91.07,
   "k22": 91.07,
   "k18": 91.07,
   "k14": 91.08,
   "k10": 91.07
  },
  {
   "date": "2026-07-15",
   "k24": 92.53,
   "k22": 92.53,
   "k18": 92.53,
   "k14": 92.53,
   "k10": 92.53
  },
  {
   "date": "2026-07-16",
   "k24": 92.48,
   "k22": 92.48,
   "k18": 92.48,
   "k14": 92.48,
   "k10": 92.48
  },
  {
   "date": "2026-07-17",
   "k24": 91.15,
   "k22": 91.15,
   "k18": 91.15,
   "k14": 91.15,
   "k10": 91.15
  },
  {
   "date": "2026-07-18",
   "k24": 90.87,
   "k22": 90.88,
   "k18": 90.87,
   "k14": 90.88,
   "k10": 90.87
  },
  {
   "date": "2026-07-19",
   "k24": 90.87,
   "k22": 90.88,
   "k18": 90.87,
   "k14": 90.88,
   "k10": 90.87
  },
  {
   "date": "2026-07-20",
   "k24": 90.87,
   "k22": 90.88,
   "k18": 90.87,
   "k14": 90.88,
   "k10": 90.87
  },
  {
   "date": "2026-07-21",
   "k24": 91.66,
   "k22": 91.66,
   "k18": 91.66,
   "k14": 91.66,
   "k10": 91.66
  },
  {
   "date": "2026-07-22",
   "k24": 93.94,
   "k22": 93.94,
   "k18": 93.94,
   "k14": 93.94,
   "k10": 93.94
  },
  {
   "date": "2026-07-23",
   "k24": 94.86,
   "k22": 94.86,
   "k18": 94.86,
   "k14": 94.87,
   "k10": 94.86
  },
  {
   "date": "2026-07-24",
   "k24": 93.3,
   "k22": 93.3,
   "k18": 93.3,
   "k14": 93.3,
   "k10": 93.29
  },
  {
   "date": "2026-07-25",
   "k24": 92.75,
   "k22": 92.76,
   "k18": 92.75,
   "k14": 92.76,
   "k10": 92.75
  },
  {
   "date": "2026-07-26",
   "k24": 92.75,
   "k22": 92.76,
   "k18": 92.75,
   "k14": 92.76,
   "k10": 92.75
  },
  {
   "date": "2026-07-27",
   "k24": 94.19,
   "k22": 94.19,
   "k18": 94.18,
   "k14": 94.19,
   "k10": 94.18
  },
  {
   "date": "2026-07-28",
   "k24": 93.6,
   "k22": 93.6,
   "k18": 93.6,
   "k14": 93.6,
   "k10": 93.6
  },
  {
   "date": "2026-07-29",
   "k24": 92.72,
   "k22": 92.72,
   "k18": 92.71,
   "k14": 92.72,
   "k10": 92.71
  },
  {
   "date": "2026-07-30",
   "k24": 93.66,
   "k22": 93.66,
   "k18": 93.65,
   "k14": 93.66,
   "k10": 93.65
  },
  {
   "date": "2026-07-31",
   "k24": 92.26,
   "k22": 92.26,
   "k18": 92.26,
   "k14": 92.26,
   "k10": 92.26
  },
  {
   "date": "2026-08-01",
   "k24": 91.54,
   "k22": 91.54,
   "k18": 91.54,
   "k14": 91.55,
   "k10": 91.54
  },
  {
   "date": "2026-08-02",
   "k24": 91.54,
   "k22": 91.54,
   "k18": 91.54,
   "k14": 91.55,
   "k10": 91.54
  },
  {
   "date": "2026-08-03",
   "k24": 89.17,
   "k22": 89.17,
   "k18": 89.17,
   "k14": 89.17,
   "k10": 89.17
  },
  {
   "date": "2026-08-04",
   "k24": 89.8,
   "k22": 89.8,
   "k18": 89.8,
   "k14": 89.8,
   "k10": 89.8
  },
  {
   "date": "2026-08-05",
   "k24": 90.41,
   "k22": 90.41,
   "k18": 90.41,
   "k14": 90.41,
   "k10": 90.4
  },
  {
   "date": "2026-08-06",
   "k24": 94.95,
   "k22": 94.95,
   "k18": 94.95,
   "k14": 94.95,
   "k10": 94.94
  }
 ]
}