{
    "id": "SEC-008",
    "category": "SEC",
    "title": "等權與市值加權分歧",
    "question": "大公司撐起指數時，一般股票表現是否跟得上？",
    "chart": "line",
    "metric": "等權與加權回報差（百分點）",
    "secondary": "同一宇宙中位回報（%）",
    "x": "交易日期",
    "y": "等權與加權回報差（百分點）",
    "panels": [
        "等權與市值指數",
        "兩者差距",
        "中位股票回報"
    ],
    "filters": [
        "成分股範圍",
        "產業分類",
        "加權方式"
    ],
    "apis": [
        "EOD",
        "FUND",
        "MARKETCAP",
        "EXCHANGE"
    ],
    "calculation": "對同一完整宇宙分別構建等權及可得當期市值權重回報，另列中位股票回報。",
    "caveat": "歷史市值可用性依市場；若只用現在市值回溯，必須標固定權重情境。；市場廣度必須覆蓋選定完整成分股並列出有效分母，不能直接把 Screener 前 1,000 筆當全市場。",
    "data_class": "額外方案",
    "complexity": "高",
    "audience": "進階",
    "reach": 8,
    "frequency": 9,
    "decision": 9,
    "clarity": 9,
    "sample_labels": [
        "起點",
        "大型股領先",
        "廣泛上升",
        "近期"
    ],
    "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": "產業與市場廣度",
    "score": 86.5,
    "requires_user_input": false,
    "requires_extra_plan": true,
    "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/historical-market-capitalization-api",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 180,
    "stage": "P1",
    "svg_file": "mockups/0180-SEC-008.svg",
    "demo_fingerprint": "27b9d5403c108a91",
    "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
        }
    }
}