{"updated": "2026-09-19", "name": "まつたけ", "unit": "円/kg（中値。消費税込み）", "source": "東京都中央卸売市場日報（販売結果）", "license": "CC BY 4.0（数値）", "today": 16740.0, "retail_avg_per_kg": null, "times": null, "by_market": {"豊洲": 16740.0, "大田": 16200.0, "淀橋": 18900.0, "世田谷": 10800.0, "北足立": 21600.0}, "history": [{"date": "2026-09-18", "per_kg": 16740.0, "samples": 9}, {"date": "2026-09-17", "per_kg": 18900.0, "samples": 9}, {"date": "2026-09-15", "per_kg": 18630.0, "samples": 6}, {"date": "2026-09-14", "per_kg": 16200.0, "samples": 10}, {"date": "2026-09-12", "per_kg": 16200.0, "samples": 9}, {"date": "2026-09-11", "per_kg": 13500.0, "samples": 8}, {"date": "2026-09-10", "per_kg": 16605.0, "samples": 10}, {"date": "2026-09-08", "per_kg": 16200.0, "samples": 8}, {"date": "2026-09-07", "per_kg": 16605.0, "samples": 6}, {"date": "2026-09-05", "per_kg": 14040.0, "samples": 7}, {"date": "2026-09-04", "per_kg": 13095.0, "samples": 8}, {"date": "2026-09-03", "per_kg": 13635.0, "samples": 6}, {"date": "2026-09-01", "per_kg": 11880.0, "samples": 5}]}