{"updated": "2026-09-19", "name": "かき", "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": 396.0, "retail_avg_per_kg": null, "times": null, "by_market": {"豊洲": 288.0, "大田": 381.6, "板橋": 468.0, "世田谷": 460.8, "葛西": 432.0}, "history": [{"date": "2026-09-18", "per_kg": 396.0, "samples": 8}, {"date": "2026-09-17", "per_kg": 381.6, "samples": 8}, {"date": "2026-09-15", "per_kg": 417.6, "samples": 4}, {"date": "2026-09-14", "per_kg": 468.0, "samples": 7}, {"date": "2026-09-12", "per_kg": 518.4, "samples": 5}, {"date": "2026-09-11", "per_kg": 468.0, "samples": 2}, {"date": "2026-09-10", "per_kg": 662.4, "samples": 7}, {"date": "2026-09-08", "per_kg": 432.0, "samples": 1}, {"date": "2026-09-07", "per_kg": 518.4, "samples": 3}, {"date": "2026-09-05", "per_kg": 720.0, "samples": 5}, {"date": "2026-09-04", "per_kg": 396.0, "samples": 2}, {"date": "2026-09-03", "per_kg": 360.0, "samples": 1}]}