{
    "id": "MAC-044",
    "category": "MAC",
    "title": "加密尾部衝擊同步率",
    "question": "某幣急跌時其他幣多常同時急跌？",
    "chart": "matrix",
    "metric": "共同尾部下跌事件比例（%）",
    "secondary": "事件分母與一般相關係數",
    "x": "資產對",
    "y": "共同尾部下跌事件比例（%）",
    "panels": [
        "主圖：共同尾部下跌事件比例（%），依資產對排列",
        "輔圖：事件分母與一般相關係數",
        "明細：加密尾部衝擊同步率的資料列、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",
        "尾部門檻及最少事件"
    ],
    "apis": [
        "EOD"
    ],
    "calculation": "各資產以前期報酬分位定義急跌門檻，計條件同跌次數／觸發資產急跌次數。",
    "caveat": "是歷史條件比例，不能推斷鏈上傳染機制；小樣本需顯示。 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": 6,
    "decision": 6,
    "clarity": 7,
    "sample_labels": [
        "資產A",
        "資產B",
        "資產C",
        "資產D",
        "資產E"
    ],
    "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": 57.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 850,
    "stage": "P4",
    "svg_file": "mockups/0850-MAC-044.svg",
    "demo_fingerprint": "eb700e5cf18bdb64",
    "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
        }
    }
}