{
    "id": "MAC-029",
    "category": "MAC",
    "title": "通脹對購買力的侵蝕",
    "question": "一筆固定金額的實際購買力下降多少？",
    "chart": "line",
    "metric": "基期購買力指數（100）",
    "secondary": "累積物價漲幅（%）",
    "x": "年度",
    "y": "基期購買力指數（100）",
    "panels": [
        "主圖：基期購買力指數（100），依年度排列",
        "輔圖：累積物價漲幅（%）",
        "明細：通脹對購買力的侵蝕的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "國家／資產／貨幣",
        "資料日期與觀測頻率",
        "國家及基期"
    ],
    "apis": [
        "MACRO"
    ],
    "calculation": "使用consumer_price_index，購買力指數=CPI基期/CPI當年×100。",
    "caveat": "年度CPI不是個人消費籃子；基期調整及修訂需保存。 各資產需對齊貨幣、交易日與時區；宏觀修訂值不代表當時已知數據。",
    "data_class": "衍生",
    "complexity": "低",
    "audience": "大眾",
    "reach": 7,
    "frequency": 7,
    "decision": 8,
    "clarity": 9,
    "sample_labels": [
        "基期",
        "第2年",
        "第3年",
        "第4年",
        "第5年"
    ],
    "cadence": "年度更新；保留觀測年度與資料版本",
    "category_name": "宏觀、外匯與加密資產",
    "score": 74.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/macroeconomics-data-and-macro-indicators-api"
    ],
    "rank": 482,
    "stage": "P2",
    "svg_file": "mockups/0482-MAC-029.svg",
    "demo_fingerprint": "7c9af7e31c336c46",
    "collection": "catalogue",
    "sample_annotation": {
        "sample": true,
        "as_of": "2026-10-16",
        "notice": "Charts and tables for this report are generated, deterministic synthetic sample observations for educational layout and unit demonstration only. No provider, market data or analysis engine is called, and nothing here is a statement about real securities.",
        "notice_zh": "此報告的圖表與數據為確定性生成的合成示例數據，僅供教育及版面展示；並無連接任何資料供應商或實際分析引擎，不代表任何真實證券的表現。",
        "default_filters": {
            "symbol": "0700.HK",
            "period": "1Y",
            "benchmark": "HSI"
        },
        "filters": {
            "symbol": [
                "0700.HK",
                "0005.HK",
                "AAPL.US",
                "MSFT.US",
                "SPY.US",
                "BTC-USD.CC"
            ],
            "period": [
                "1Y",
                "3Y",
                "5Y"
            ],
            "benchmark": [
                "HSI",
                "SPX",
                "BTC"
            ]
        },
        "library": {
            "version": "2026-10-19",
            "source": "https://chatgpt.com/share/6ad67223-c610-83e8-adb2-33aaf792e584",
            "sample": true
        }
    }
}