{
    "id": "EVT-014",
    "category": "EVT",
    "title": "反向合股事件監測",
    "question": "近期哪些公司縮減了在外股數單位？",
    "chart": "table",
    "metric": "每一新股對應舊股數（倍）",
    "secondary": "合股前價格與後續報酬",
    "x": "公司",
    "y": "每一新股對應舊股數（倍）",
    "panels": [
        "主圖：每一新股對應舊股數（倍），依公司排列",
        "輔圖：合股前價格與後續報酬",
        "明細：反向合股事件監測的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／上市市場",
        "事件日期與狀態",
        "比率及最低前價"
    ],
    "apis": [
        "CALENDAR",
        "SPLIT",
        "EOD"
    ],
    "calculation": "篩new_shares<old_shares，顯示old/new比率及生效前後校正價格。",
    "caveat": "反向合股本身不改變企業價值；不單憑此判定退市或財務危機。 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": "中",
    "audience": "進階",
    "reach": 6,
    "frequency": 6,
    "decision": 7,
    "clarity": 9,
    "sample_labels": [
        "小倍率合股",
        "中倍率合股",
        "大倍率合股",
        "非整數合股"
    ],
    "cadence": "日更；公告修訂時刷新",
    "category_name": "公司事件與內部人",
    "score": 65.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/calendar-upcoming-earnings-ipos-and-splits",
        "https://eodhd.com/financial-apis/api-splits-dividends",
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 722,
    "stage": "P3",
    "svg_file": "mockups/0722-EVT-014.svg",
    "demo_fingerprint": "d16e4880728765cf",
    "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
        }
    }
}