{
    "id": "CMP-042",
    "category": "CMP",
    "title": "同業配對相關與分散效果",
    "question": "把兩家公司一起持有，是否只是重複押注同一價格風險？",
    "chart": "matrix",
    "metric": "回報相關係數（−1 至 1）",
    "secondary": "有效共同交易日（日）",
    "x": "同業股票",
    "y": "同業股票",
    "panels": [
        "同業相關矩陣",
        "共同樣本數",
        "低相關配對"
    ],
    "filters": [
        "行業 / 自選同業",
        "市值範圍",
        "財報截止日期"
    ],
    "apis": [
        "EOD",
        "FUND",
        "FX"
    ],
    "calculation": "以同一基準貨幣共同有效日總回報計相關矩陣，另列每對共同樣本數及低流動性資料標記。",
    "caveat": "跨市場休市及非同步收市影響相關；低歷史相關不保證市場壓力時分散。；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。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "大眾",
    "reach": 9,
    "frequency": 8,
    "decision": 9,
    "clarity": 9,
    "sample_labels": [
        "示例公司甲",
        "示例公司乙",
        "示例公司丙",
        "示例公司丁",
        "示例公司戊"
    ],
    "cadence": "收市後更新價格；新財報入庫後重算",
    "category_name": "同業比較",
    "score": 87.0,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds",
        "https://eodhd.com/financial-apis/list-supported-forex-currencies"
    ],
    "rank": 155,
    "stage": "P1",
    "svg_file": "mockups/0155-CMP-042.svg",
    "demo_fingerprint": "57a2e61cf0966b86",
    "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
        }
    }
}