{
    "id": "crypto_spot-09",
    "category": "crypto_spot",
    "category_name": "加密資產現貨",
    "title": "多幣相關性與分散效果",
    "question": "多幣相關性與分散效果",
    "chart": "matrix",
    "metric": "多幣相關性與分散效果",
    "secondary": "滾動相關矩陣＋壓力期比較",
    "x": "觀察期／樣本",
    "y": "示例數值",
    "panels": [
        "多幣相關性與分散效果",
        "滾動相關矩陣＋壓力期比較",
        "資料明細"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "EOD"
    ],
    "calculation": "對齊 24/7 報酬後 corr(r_i,r_j)，另在基準跌幅達預設門檻的日子重算；樣本數一併顯示。",
    "caveat": "短歷史、同一資產不同包裝及穩定幣接近零變異可能使相關值失真或無法定義。",
    "inputs": "EOD: 多幣同報價貨幣價格",
    "extra_inputs": "依左側必要欄位與限制核實",
    "data_class": "原生資料可衍生",
    "complexity": "原生／衍生，逐標的驗證",
    "rank": 9,
    "stage": "P2",
    "collection": "product",
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/list-supported-crypto-currencies"
    ],
    "requires_user_input": false,
    "requires_extra_plan": false,
    "cadence": "示例資料",
    "sample_labels": [
        "2019",
        "2020",
        "2021",
        "2022",
        "2023",
        "2024"
    ],
    "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
        }
    }
}