{
    "id": "ETF-048",
    "category": "ETF",
    "title": "ETF 多層基金穿透覆蓋",
    "question": "基金持有其他基金時，有多少底層曝險能夠可靠識別？",
    "chart": "stacked",
    "metric": "穿透覆蓋比率（%）",
    "secondary": "可解析層數（層）",
    "x": "穿透深度",
    "y": "穿透覆蓋比率（%）",
    "panels": [
        "各層已解析權重",
        "未知基金節點",
        "循環及日期差異"
    ],
    "filters": [
        "基金類型",
        "比較基準",
        "顯示幣別"
    ],
    "apis": [
        "FUND"
    ],
    "calculation": "遞迴解析基金持倉，逐層乘權重並合併證券識別碼，檢測循環與未知持倉。",
    "caveat": "合成結構與持倉缺漏可能不可穿透；每層披露日期不同，結果只為快照近似。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 4,
    "decision": 6,
    "clarity": 8,
    "sample_labels": [
        "直接資產",
        "第一層基金",
        "第二層基金",
        "未解析"
    ],
    "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": 52.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds"
    ],
    "rank": 924,
    "stage": "P4",
    "svg_file": "mockups/0924-ETF-048.svg",
    "demo_fingerprint": "fce7a91850a75d78",
    "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
        }
    }
}