{
    "id": "EVT-013",
    "category": "EVT",
    "title": "歷次拆股累積因子",
    "question": "一股原始股份經公司行動後變成多少股？",
    "chart": "line",
    "metric": "累積股數倍數（倍）",
    "secondary": "單次比率與生效日",
    "x": "公司行動日期",
    "y": "累積股數倍數（倍）",
    "panels": [
        "主圖：累積股數倍數（倍），依公司行動日期排列",
        "輔圖：單次比率與生效日",
        "明細：歷次拆股累積因子的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／上市市場",
        "事件日期與狀態",
        "基期日期"
    ],
    "apis": [
        "SPLIT"
    ],
    "calculation": "按date先後將split的新／舊比率連乘，基期股份數設1。",
    "caveat": "不包括增資認購、分拆派股或零碎股現金處理。 未來事件可修訂；按事件及文件去重；內部人資料限有 SEC Form 4 覆蓋的美股。",
    "data_class": "衍生",
    "complexity": "低",
    "audience": "進階",
    "reach": 5,
    "frequency": 5,
    "decision": 6,
    "clarity": 9,
    "sample_labels": [
        "基期1股",
        "第一次拆股",
        "第二次拆股",
        "合股後",
        "目前因子"
    ],
    "cadence": "日更；公告修訂時刷新",
    "category_name": "公司事件與內部人",
    "score": 56.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-splits-dividends"
    ],
    "rank": 865,
    "stage": "P4",
    "svg_file": "mockups/0865-EVT-013.svg",
    "demo_fingerprint": "4bd2e6e4211ea4e3",
    "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
        }
    }
}