{
    "id": "MAC-041",
    "category": "MAC",
    "title": "加密與股票風險聯動",
    "question": "加密資產是否仍提供不同於股票的波動來源？",
    "chart": "line",
    "metric": "滾動日報酬相關係數（-1至1）",
    "secondary": "共同觀測數與兩邊波動率",
    "x": "共同交易日",
    "y": "滾動日報酬相關係數（-1至1）",
    "panels": [
        "主圖：滾動日報酬相關係數（-1至1），依共同交易日排列",
        "輔圖：共同觀測數與兩邊波動率",
        "明細：加密與股票風險聯動的資料列、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",
        "股票基準及相關窗口"
    ],
    "apis": [
        "EOD",
        "EXCHANGE"
    ],
    "calculation": "只用共同股票交易日，將crypto報酬累計到相同截點，再與股票ETF報酬計相關。",
    "caveat": "直接刪掉周末而不重算累計會扭曲結果；截點差仍須處理。 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": "進階",
    "reach": 7,
    "frequency": 7,
    "decision": 8,
    "clarity": 8,
    "sample_labels": [
        "低相關",
        "中等相關",
        "高相關",
        "資料不足"
    ],
    "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": 73.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 508,
    "stage": "P3",
    "svg_file": "mockups/0508-MAC-041.svg",
    "demo_fingerprint": "7bcb0e66e7b94ef8",
    "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
        }
    }
}