{
    "id": "RSK-028",
    "category": "RSK",
    "title": "相關性在壓力期變化",
    "question": "分散投資效果在跌市時會否下降？",
    "chart": "matrix",
    "metric": "相關性差（無單位）",
    "secondary": "有效樣本數（筆）",
    "x": "標的／事件／情景",
    "y": "相關性差（無單位）",
    "panels": [
        "相關性在壓力期變化",
        "有效樣本數（筆）",
        "事件明細與資料日期"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "EOD"
    ],
    "calculation": "比較預先定義壓力日與正常日的相關矩陣，兩者樣本數另列。",
    "caveat": "統計估計依歷史窗口而變，缺失保留N/A；研究型價格不能視作交易執行報價。",
    "data_class": "衍生",
    "complexity": "中",
    "audience": "進階",
    "reach": 7,
    "frequency": 6,
    "decision": 8,
    "clarity": 6,
    "sample_labels": [
        "示例甲",
        "示例乙",
        "示例丙",
        "示例丁",
        "示例戊"
    ],
    "cadence": "每日／事件觸發",
    "category_name": "風險與回撤",
    "score": 68.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 623,
    "stage": "P3",
    "svg_file": "mockups/0623-RSK-028.svg",
    "demo_fingerprint": "b7270bc4a941432b",
    "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
        }
    }
}