{
    "id": "VAL-050",
    "category": "VAL",
    "title": "估值歷史樣本可靠性",
    "question": "歷史百分位是否被虧損期、缺值或短樣本扭曲？",
    "chart": "heatmap",
    "metric": "有效估值樣本比例（%）",
    "secondary": "被排除週數（週）",
    "x": "歷史市值週點",
    "y": "估值方法",
    "panels": [
        "估值有效性熱圖",
        "排除原因",
        "可支持結論的期間"
    ],
    "filters": [
        "股票 / 同業池",
        "估值日期",
        "倍數 / 假設情境"
    ],
    "apis": [
        "MARKETCAP",
        "FUND",
        "FX"
    ],
    "calculation": "按倍數與週點標記正分母、負分母、缺財報、缺市值與不一致股類，計有效樣本佔比及連續長度。",
    "caveat": "不能用今天盈利回填歷史；在資料不足時停用百分位與正常區間標籤。；預覽數值全為合成示例，非即時行情。非美股及港股欄位、歷史深度按股票實際覆蓋。歷史股票市值只覆蓋 NYSE/NASDAQ，自 2021-07-09 起為週頻及 USD；財務資料按 filing_date 後才可用。若無已保存原始版本，只稱歷史重建，不能宣稱無前視偏誤回測。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 6,
    "decision": 9,
    "clarity": 8,
    "sample_labels": [
        "P/E",
        "P/S",
        "P/B",
        "EV/EBITDA",
        "P/FCF"
    ],
    "cadence": "收市後更新價格；新財報入庫後重算",
    "category_name": "估值",
    "score": 66.0,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/historical-market-capitalization-api",
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds",
        "https://eodhd.com/financial-apis/list-supported-forex-currencies"
    ],
    "rank": 686,
    "stage": "P3",
    "svg_file": "mockups/0686-VAL-050.svg",
    "demo_fingerprint": "6ab7cd96b5c3065d",
    "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
        }
    }
}