{
    "id": "PRT-004",
    "category": "PRT",
    "title": "持倉權重與集中程度",
    "question": "我有多少資金集中在少數投資標的？",
    "chart": "donut",
    "metric": "持倉市值權重（%）",
    "secondary": "前五大佔比（%）",
    "x": "持倉",
    "y": "持倉市值權重（%）",
    "panels": [
        "持倉佔比",
        "前五集中度",
        "現金及負債"
    ],
    "filters": [
        "投資帳戶",
        "分析期間",
        "記帳幣別"
    ],
    "apis": [
        "EOD",
        "FX",
        "USER"
    ],
    "calculation": "以每個部位按統一幣別的市值除總淨值，現金及負債另列；多空時改顯示總曝險。",
    "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。淨權重可為負或超過 100%；不能用甜甜圈隱藏負權重，該情況切換條形圖。",
    "data_class": "用戶資料",
    "complexity": "低",
    "audience": "大眾",
    "reach": 10,
    "frequency": 9,
    "decision": 9,
    "clarity": 10,
    "sample_labels": [
        "最大持倉",
        "第二持倉",
        "其餘股票",
        "基金",
        "現金"
    ],
    "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": 94.5,
    "requires_user_input": true,
    "requires_extra_plan": false,
    "source_urls": [
        "https://eodhd.com/financial-apis/api-for-historical-data-and-volumes",
        "https://eodhd.com/financial-apis/list-supported-forex-currencies"
    ],
    "rank": 48,
    "stage": "P0",
    "svg_file": "mockups/0048-PRT-004.svg",
    "demo_fingerprint": "cee0f314b046521a",
    "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
        }
    }
}