{
    "id": "MAC-021",
    "category": "MAC",
    "title": "經濟數據修訂追蹤",
    "question": "最新回傳值較此前保存值改了多少？",
    "chart": "table",
    "metric": "同一發布記錄修訂差（原單位）",
    "secondary": "首次見值及最新值",
    "x": "事件",
    "y": "同一發布記錄修訂差（原單位）",
    "panels": [
        "主圖：同一發布記錄修訂差（原單位），依事件排列",
        "輔圖：首次見值及最新值",
        "明細：經濟數據修訂追蹤的資料列、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",
        "快照版本"
    ],
    "apis": [
        "ECON"
    ],
    "calculation": "保存每次回應快照，以國家、類型、期別和日期匹配，比較actual、previous、estimate。",
    "caveat": "端點不提供完整原始版本史；僅從開始自存時起可追蹤。 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": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 5,
    "decision": 6,
    "clarity": 8,
    "sample_labels": [
        "actual修訂",
        "previous修訂",
        "estimate變更",
        "日期調整"
    ],
    "cadence": "依原始資料發布頻率；市場序列日更",
    "category_name": "宏觀、外匯與加密資產",
    "score": 55.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/economic-events-data-api"
    ],
    "rank": 894,
    "stage": "P4",
    "svg_file": "mockups/0894-MAC-021.svg",
    "demo_fingerprint": "87ad31ea716df626",
    "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
        }
    }
}