{
    "id": "ERN-022",
    "category": "ERN",
    "title": "業績日異常成交",
    "question": "最新業績吸引的成交量超常嗎？",
    "chart": "bar",
    "metric": "事件日相對成交量（倍）",
    "secondary": "價格反應與 EPS 驚喜",
    "x": "公司",
    "y": "事件日相對成交量（倍）",
    "panels": [
        "主圖：事件日相對成交量（倍），依公司排列",
        "輔圖：價格反應與 EPS 驚喜",
        "明細：業績日異常成交的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "市場／行業",
        "財政季度／公告日期",
        "最低日成交額"
    ],
    "apis": [
        "CALENDAR",
        "EOD"
    ],
    "calculation": "反應日 volume 除以此前20個非事件交易日成交中位數。",
    "caveat": "成交不區分買方賣方；拆股附近要統一股數口徑。 報告日與財政期末分開；缺失預估不可當零；歷史預估不等於完整當時可得資料。",
    "data_class": "衍生",
    "complexity": "中",
    "audience": "大眾",
    "reach": 8,
    "frequency": 7,
    "decision": 8,
    "clarity": 8,
    "sample_labels": [
        "低於1倍",
        "1至2倍",
        "2至4倍",
        "高於4倍"
    ],
    "cadence": "日更；業績公布後重新整理",
    "category_name": "業績與預期",
    "score": 77.0,
    "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"
    ],
    "rank": 397,
    "stage": "P2",
    "svg_file": "mockups/0397-ERN-022.svg",
    "demo_fingerprint": "05db7eccbffb4370",
    "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
        }
    }
}