{
    "id": "NEW-046",
    "category": "NEW",
    "title": "文本情緒的歷史研究",
    "question": "文本分數與之後報酬是否有穩定關聯？",
    "chart": "bar",
    "metric": "情緒分組後續超額報酬（%）",
    "secondary": "樣本數及樣本外期間結果",
    "x": "情緒分位組",
    "y": "情緒分組後續超額報酬（%）",
    "panels": [
        "主圖：情緒分組後續超額報酬（%），依情緒分位組排列",
        "輔圖：樣本數及樣本外期間結果",
        "明細：文本情緒的歷史研究的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／主題",
        "文章日期與來源域名",
        "樣本外分割日期"
    ],
    "apis": [
        "SENTIMENT",
        "EOD",
        "NEWS"
    ],
    "calculation": "用至少前一日已入庫資料分組，從下一可交易時點計報酬；按時間拆訓練與驗證。",
    "caveat": "無 first_seen 歷史只能做事後關聯；禁止暗示已消除前視偏差。 僅涵蓋供應商收錄文章；分數是文本情緒，並非所有投資者的立場。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 5,
    "decision": 6,
    "clarity": 6,
    "sample_labels": [
        "最低情緒",
        "第二組",
        "中間組",
        "第四組",
        "最高情緒"
    ],
    "cadence": "新聞入庫時更新；情緒彙總日更",
    "category_name": "新聞與情緒",
    "score": 53.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-market-financial-news-api",
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 906,
    "stage": "P4",
    "svg_file": "mockups/0906-NEW-046.svg",
    "demo_fingerprint": "6d2cc7c0bd43bb04",
    "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
        }
    }
}