{
    "id": "PRT-042",
    "category": "PRT",
    "title": "現金比重與機會差額",
    "question": "持有現金期間，與用戶選定替代資產相比有多少歷史差額？",
    "chart": "area",
    "metric": "現金替代情境差額（記帳幣）",
    "secondary": "實際現金權重（%）",
    "x": "估值日期",
    "y": "現金替代情境差額（記帳幣）",
    "panels": [
        "現金比重",
        "替代情境差額",
        "利息與假設"
    ],
    "filters": [
        "投資帳戶",
        "分析期間",
        "記帳幣別"
    ],
    "apis": [
        "EOD",
        "USER"
    ],
    "calculation": "以實際現金日餘額及利息比較同日若投入用戶基準的明示假設回報，保持流量一致。",
    "caveat": "需要用戶的持倉／交易／現金流或情境設定；EODHD 不提供券商帳戶。這是事後情境，不代表當時應投資或可無風險獲取基準回報；費用和可用性另列。",
    "data_class": "用戶資料",
    "complexity": "高",
    "audience": "進階",
    "reach": 6,
    "frequency": 6,
    "decision": 6,
    "clarity": 9,
    "sample_labels": [
        "高現金期",
        "加倉期",
        "低現金期",
        "期末"
    ],
    "cadence": "每日收市及用戶交易更新後",
    "sample_note": "僅用於合成視覺示意，並非真實行情或投資成果。",
    "category_name": "投資組合",
    "score": 63.0,
    "requires_user_input": true,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes"
    ],
    "rank": 771,
    "stage": "P3",
    "svg_file": "mockups/0771-PRT-042.svg",
    "demo_fingerprint": "4b67b9573520db63",
    "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
        }
    }
}