{
    "id": "NEW-016",
    "category": "NEW",
    "title": "負面報道異常密度",
    "question": "負面文章突然增加了多少？",
    "chart": "heatmap",
    "metric": "負面故事數相對基準Z值（標準差）",
    "secondary": "負面故事數與總故事數",
    "x": "公司與日期",
    "y": "負面故事數相對基準Z值（標準差）",
    "panels": [
        "主圖：負面故事數相對基準Z值（標準差），依公司與日期排列",
        "輔圖：負面故事數與總故事數",
        "明細：負面報道異常密度的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／主題",
        "文章日期與來源域名",
        "負面門檻與最低樣本"
    ],
    "apis": [
        "NEWS"
    ],
    "calculation": "先每日故事去重再計負面數，以此前有效窗口均值與標準差標準化。",
    "caveat": "小樣本或零方差不計Z值；情緒模型可能誤讀引述。 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": "中",
    "audience": "進階",
    "reach": 7,
    "frequency": 7,
    "decision": 7,
    "clarity": 8,
    "sample_labels": [
        "正常",
        "輕度異常",
        "明顯異常",
        "無基準"
    ],
    "cadence": "新聞入庫時更新；情緒彙總日更",
    "category_name": "新聞與情緒",
    "score": 71.0,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-market-financial-news-api"
    ],
    "rank": 565,
    "stage": "P3",
    "svg_file": "mockups/0565-NEW-016.svg",
    "demo_fingerprint": "34421410dd7f1844",
    "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
        }
    }
}