{
    "id": "ETF-044",
    "category": "ETF",
    "title": "ETF 現有持倉反推風格",
    "question": "目前基金組合實際偏向價值、成長還是規模因子代理？",
    "chart": "bar",
    "metric": "因子代理回歸係數（倍）",
    "secondary": "調整後解釋度（%）",
    "x": "因子代理",
    "y": "因子代理回歸係數（倍）",
    "panels": [
        "因子代理係數",
        "模型擬合",
        "代理定義與信賴區間"
    ],
    "filters": [
        "基金類型",
        "比較基準",
        "顯示幣別"
    ],
    "apis": [
        "EOD"
    ],
    "calculation": "以同幣別 ETF 月回報對公開定義之價值減成長、大減小等可得 ETF 代理做多元回歸。",
    "caveat": "這是價格型風格推估，不等於基金真實持倉因子；代理相關與樣本長度影響穩定性。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 4,
    "decision": 6,
    "clarity": 9,
    "sample_labels": [
        "市場",
        "價值代理",
        "規模代理",
        "動能代理"
    ],
    "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": 53.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 908,
    "stage": "P4",
    "svg_file": "mockups/0908-ETF-044.svg",
    "demo_fingerprint": "32984891acebb9fc",
    "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
        }
    }
}