{
    "id": "index_benchmark-09",
    "category": "index_benchmark",
    "category_name": "指數與比較基準",
    "title": "指數成員加入與退出時間軸",
    "question": "指數成員加入與退出時間軸",
    "chart": "multi",
    "metric": "指數成員加入與退出時間軸",
    "secondary": "成員變更時間軸＋事件表",
    "x": "觀察期／樣本",
    "y": "示例數值",
    "panels": [
        "指數成員加入與退出時間軸",
        "成員變更時間軸＋事件表",
        "資料明細"
    ],
    "filters": [
        "標的／市場",
        "分析區間",
        "基準／參數"
    ],
    "apis": [
        "FUND_STOCK",
        "INDEX_MEMBERS"
    ],
    "calculation": "由 StartDate/EndDate 建立 add/remove 事件；按時期統計數量及成員集合交集。",
    "caveat": "基本方案歷史成員僅 S&P 500；變更史從 2012 年 4 月起，早年留存加入日期不代表完整早期宇宙，2012–2015 亦可能略缺。",
    "inputs": "FUND: GSPC.INDX HistoricalTickerComponents 或 historical=1\n其他指數需 SPMARKET 權限",
    "extra_inputs": "依左側必要欄位與限制核實",
    "data_class": "僅特定產品或覆蓋可用",
    "complexity": "核實另購／展示權",
    "rank": 9,
    "stage": "P2",
    "collection": "product",
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds",
        "https://eodhd.com/marketplace/unicornbay/spglobal"
    ],
    "requires_user_input": false,
    "requires_extra_plan": true,
    "cadence": "示例資料",
    "sample_labels": [
        "2019",
        "2020",
        "2021",
        "2022",
        "2023",
        "2024"
    ],
    "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
        }
    }
}