{
    "id": "NEW-041",
    "category": "NEW",
    "title": "故事熱度衰減曲線",
    "question": "同一新聞熱點多久會淡出報道？",
    "chart": "area",
    "metric": "每時段新增文章（篇）",
    "secondary": "新來源數與後續進展標記",
    "x": "距故事首報時間",
    "y": "每時段新增文章（篇）",
    "panels": [
        "主圖：每時段新增文章（篇），依距故事首報時間排列",
        "輔圖：新來源數與後續進展標記",
        "明細：故事熱度衰減曲線的資料列、觀測日期與缺值狀態"
    ],
    "filters": [
        "股票／主題",
        "文章日期與來源域名",
        "只計新內容／所有報道"
    ],
    "apis": [
        "NEWS"
    ],
    "calculation": "故事去重簇按首報後小時計新文章及新域名數，追蹤首次峰值到一半熱度所需時間。",
    "caveat": "大量轉載能拉長熱度但不增加資訊；資料抓取需完整。 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": 6,
    "decision": 6,
    "clarity": 8,
    "sample_labels": [
        "首報",
        "6小時",
        "12小時",
        "24小時",
        "48小時"
    ],
    "cadence": "新聞入庫時更新；情緒彙總日更",
    "category_name": "新聞與情緒",
    "score": 58.5,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-market-financial-news-api"
    ],
    "rank": 838,
    "stage": "P4",
    "svg_file": "mockups/0838-NEW-041.svg",
    "demo_fingerprint": "f52a967e3e859bea",
    "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
        }
    }
}