{
    "id": "SCR-049",
    "category": "SCR",
    "title": "每日選股名單變動",
    "question": "從開始保存結果後，哪些股票新進、退出或持續留榜？",
    "chart": "stacked",
    "metric": "名單狀態股票數（檔）",
    "secondary": "連續留榜天數（天）",
    "x": "保存日期",
    "y": "名單狀態股票數（檔）",
    "panels": [
        "新入退出趨勢",
        "變動原因",
        "規則版本與快照"
    ],
    "filters": [
        "市場範圍",
        "流動性門檻",
        "條件門檻"
    ],
    "apis": [
        "SCREEN",
        "FUND",
        "EOD"
    ],
    "calculation": "每日保存相同規則版本與輸入時間戳的結果，集合差分為新入、退出、持續，並給觸發原因。",
    "caveat": "沒有自建快照前的名單不能追溯；規則改版與數據修正需區別市場變動。；即時選股以最新快照為準，不等於歷史時點選股結果。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "進階",
    "reach": 6,
    "frequency": 7,
    "decision": 6,
    "clarity": 9,
    "sample_labels": [
        "新入選",
        "持續入選",
        "退出",
        "資料變更"
    ],
    "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": "選股與觀察清單",
    "score": 66.0,
    "requires_user_input": false,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/stock-market-screener-api",
        "https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds",
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 682,
    "stage": "P3",
    "svg_file": "mockups/0682-SCR-049.svg",
    "demo_fingerprint": "7a2624738e947c3a",
    "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
        }
    }
}