{
    "id": "RSK-048",
    "category": "RSK",
    "title": "風險資料樣本覆蓋",
    "question": "哪些風險估計因歷史不足不能比較？",
    "chart": "table",
    "metric": "有效觀察值（筆）",
    "secondary": "有效樣本數（筆）",
    "x": "標的／事件／情景",
    "y": "有效觀察值（筆）",
    "panels": [
        "風險資料樣本覆蓋",
        "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": "逐標的列起止日、共日數、零波動與缺漏比例，未達門檻不給排名。",
    "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": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 4,
    "decision": 6,
    "clarity": 4,
    "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": 48.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 971,
    "stage": "P4",
    "svg_file": "mockups/0971-RSK-048.svg",
    "demo_fingerprint": "3e0c63b52de29108",
    "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
        }
    }
}