{
    "id": "EVT-022",
    "category": "EVT",
    "title": "IPO 首日定價落差",
    "question": "首日收市價相對招股價偏離多少？",
    "chart": "bar",
    "metric": "首日收市對招股價回報（%）",
    "secondary": "首日開市回報及成交",
    "x": "新上市公司",
    "y": "首日收市對招股價回報（%）",
    "panels": [
        "主圖：首日收市對招股價回報（%），依新上市公司排列",
        "輔圖：首日開市回報及成交",
        "明細：IPO 首日定價落差的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／上市市場",
        "事件日期與狀態",
        "最低募資額／有效配對"
    ],
    "apis": [
        "CALENDAR",
        "EOD",
        "EXCHANGE"
    ],
    "calculation": "僅取Priced且offer_price>0的上市，核實首交易日後計close/offer_price-1。",
    "caveat": "首個價格日未必真上市日；拆股、ADR比例或舊代碼重用需核實。 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": "高",
    "audience": "進階",
    "reach": 7,
    "frequency": 7,
    "decision": 8,
    "clarity": 9,
    "sample_labels": [
        "跌破招股價",
        "接近招股價",
        "小幅上升",
        "大幅上升"
    ],
    "cadence": "日更；公告修訂時刷新",
    "category_name": "公司事件與內部人",
    "score": 74.5,
    "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-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 475,
    "stage": "P2",
    "svg_file": "mockups/0475-EVT-022.svg",
    "demo_fingerprint": "c39f7020ce1d6a64",
    "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
        }
    }
}