{
    "id": "ETF-007",
    "category": "ETF",
    "title": "ETF 持倉重疊地圖",
    "question": "買多隻 ETF 是否其實重複買入同一批股票？",
    "chart": "matrix",
    "metric": "兩基金持倉重疊率（%）",
    "secondary": "共同持股數（檔）",
    "x": "基金 A",
    "y": "兩基金持倉重疊率（%）",
    "panels": [
        "重疊率矩陣",
        "重複最大持倉",
        "披露日期與覆蓋"
    ],
    "filters": [
        "基金類型",
        "比較基準",
        "顯示幣別"
    ],
    "apis": [
        "FUND"
    ],
    "calculation": "對統一證券識別碼的兩組持倉權重計算 Σ min(wA,wB)，以基金配對矩陣呈現。",
    "caveat": "僅最新披露持倉；缺漏及披露日期差異必須顯示，不能宣稱即時精確曝險。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "進階",
    "reach": 9,
    "frequency": 7,
    "decision": 10,
    "clarity": 9,
    "sample_labels": [
        "基金甲",
        "基金乙",
        "基金丙",
        "基金丁"
    ],
    "cadence": "每交易日收市後",
    "sample_note": "僅用於合成視覺示意，並非真實行情或投資成果。",
    "category_name": "ETF與基金",
    "score": 86.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds"
    ],
    "rank": 173,
    "stage": "P1",
    "svg_file": "mockups/0173-ETF-007.svg",
    "demo_fingerprint": "ba76f8318cebae84",
    "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
        }
    }
}