{"updated": "2026-09-19", "item": "ほたて貝", "unit": "100g", "item_code": "1133", "source": "総務省統計局 小売物価統計調査（動向編）", "source_url": "https://www.stat.go.jp/data/kouri/", "license": "CC BY 4.0（数値）", "method": "81市の調査価格の月ごとの中央値。40市以上で値がある月だけ", "comparable": true, "ratio": 1.809, "from": {"month": "2020-01", "yen": 257}, "to": {"month": "2026-07", "yen": 465}, "months": [{"month": "2020-01", "yen": 257}, {"month": "2020-02", "yen": 253}, {"month": "2020-03", "yen": 252}, {"month": "2020-04", "yen": 256}, {"month": "2020-05", "yen": 250}, {"month": "2020-06", "yen": 253}, {"month": "2020-07", "yen": 254}, {"month": "2020-08", "yen": 254}, {"month": "2020-09", "yen": 245}, {"month": "2020-10", "yen": 246}, {"month": "2020-11", "yen": 249}, {"month": "2020-12", "yen": 250}, {"month": "2021-01", "yen": 248}, {"month": "2021-02", "yen": 246}, {"month": "2021-03", "yen": 246}, {"month": "2021-04", "yen": 255}, {"month": "2021-05", "yen": 252}, {"month": "2021-06", "yen": 258}, {"month": "2021-07", "yen": 260}, {"month": "2021-08", "yen": 272}, {"month": "2021-09", "yen": 278}, {"month": "2021-10", "yen": 278}, {"month": "2021-11", "yen": 284}, {"month": "2021-12", "yen": 284}, {"month": "2022-01", "yen": 287}, {"month": "2022-02", "yen": 279}, {"month": "2022-03", "yen": 277}, {"month": "2022-04", "yen": 287}, {"month": "2022-05", "yen": 283}, {"month": "2022-06", "yen": 289}, {"month": "2022-07", "yen": 284}, {"month": "2022-08", "yen": 284}, {"month": "2022-09", "yen": 299}, {"month": "2022-10", "yen": 297}, {"month": "2022-11", "yen": 305}, {"month": "2022-12", "yen": 309}, {"month": "2023-01", "yen": 308}, {"month": "2023-02", "yen": 315}, {"month": "2023-03", "yen": 316}, {"month": "2023-04", "yen": 318}, {"month": "2023-05", "yen": 321}, {"month": "2023-06", "yen": 326}, {"month": "2023-07", "yen": 329}, {"month": "2023-08", "yen": 332}, {"month": "2023-09", "yen": 344}, {"month": "2023-10", "yen": 345}, {"month": "2023-11", "yen": 343}, {"month": "2023-12", "yen": 341}, {"month": "2024-01", "yen": 351}, {"month": "2024-02", "yen": 337}, {"month": "2024-03", "yen": 334}, {"month": "2024-04", "yen": 338}, {"month": "2024-05", "yen": 337}, {"month": "2024-06", "yen": 342}, {"month": "2024-07", "yen": 347}, {"month": "2024-08", "yen": 343}, {"month": "2024-09", "yen": 345}, {"month": "2024-10", "yen": 370}, {"month": "2024-11", "yen": 368}, {"month": "2024-12", "yen": 371}, {"month": "2025-01", "yen": 375}, {"month": "2025-02", "yen": 378}, {"month": "2025-03", "yen": 381}, {"month": "2025-04", "yen": 387}, {"month": "2025-05", "yen": 401}, {"month": "2025-06", "yen": 399}, {"month": "2025-07", "yen": 410}, {"month": "2025-08", "yen": 438}, {"month": "2025-09", "yen": 448}, {"month": "2025-10", "yen": 438}, {"month": "2025-11", "yen": 469}, {"month": "2025-12", "yen": 470}, {"month": "2026-01", "yen": 461}, {"month": "2026-02", "yen": 463}, {"month": "2026-03", "yen": 460}, {"month": "2026-04", "yen": 462}, {"month": "2026-05", "yen": 464}, {"month": "2026-06", "yen": 465}, {"month": "2026-07", "yen": 465}]}