{
    "id": "SEC-050",
    "category": "SEC",
    "title": "次產業動能擴散",
    "question": "市場強勢是否由少數次產業擴散到更多業務領域？",
    "chart": "heatmap",
    "metric": "次產業正相對回報比例（%）",
    "secondary": "合格次產業數（個）",
    "x": "次產業與窗口",
    "y": "次產業正相對回報比例（%）",
    "panels": [
        "次產業動能熱圖",
        "擴散比例",
        "成員與分類覆蓋"
    ],
    "filters": [
        "成分股範圍",
        "產業分類",
        "加權方式"
    ],
    "apis": [
        "EOD",
        "FUND",
        "EXCHANGE"
    ],
    "calculation": "先以最少公司數構建各次產業等權回報，再計相對基準為正的次產業比例與熱圖。",
    "caveat": "小次產業天然波動大；產業分類快照和最少成員門檻固定，不能只保留表現好的組。；市場廣度必須覆蓋選定完整成分股並列出有效分母，不能直接把 Screener 前 1,000 筆當全市場。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "專業",
    "reach": 4,
    "frequency": 5,
    "decision": 6,
    "clarity": 8,
    "sample_labels": [
        "半導體",
        "軟件",
        "銀行",
        "保險",
        "零售"
    ],
    "cadence": "每交易日收市後",
    "sample_note": "僅用於合成視覺示意，並非真實行情或投資成果。",
    "category_name": "產業與市場廣度",
    "score": 52.0,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 929,
    "stage": "P4",
    "svg_file": "mockups/0929-SEC-050.svg",
    "demo_fingerprint": "e9a034b0a993cf66",
    "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
        }
    }
}