{
    "id": "EVT-009",
    "category": "EVT",
    "title": "宣派消息前後價格反應",
    "question": "公司宣布增減股息時市場如何反應？",
    "chart": "line",
    "metric": "宣派事件超額報酬（%）",
    "secondary": "股息調整幅度與事件數",
    "x": "距宣派交易日",
    "y": "宣派事件超額報酬（%）",
    "panels": [
        "主圖：宣派事件超額報酬（%），依距宣派交易日排列",
        "輔圖：股息調整幅度與事件數",
        "明細：宣派消息前後價格反應的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／上市市場",
        "事件日期與狀態",
        "只含有效宣派日期"
    ],
    "apis": [
        "DIV",
        "EOD",
        "NEWS"
    ],
    "calculation": "用有效declarationDate對齊價格事件，以可比股息增減分組並列大市基準。",
    "caveat": "declarationDate可能無精確時段且常與業績同日；不能單獨因果歸因。 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": "專業",
    "reach": 5,
    "frequency": 6,
    "decision": 6,
    "clarity": 7,
    "sample_labels": [
        "宣派前",
        "宣派日",
        "後1日",
        "後5日",
        "後20日"
    ],
    "cadence": "日更；公告修訂時刷新",
    "category_name": "公司事件與內部人",
    "score": 57.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-splits-dividends",
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/stock-market-financial-news-api"
    ],
    "rank": 846,
    "stage": "P4",
    "svg_file": "mockups/0846-EVT-009.svg",
    "demo_fingerprint": "78d8336ec7ebb43b",
    "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
        }
    }
}