{
    "id": "PRT-048",
    "category": "PRT",
    "title": "減倉後的風險變化",
    "question": "若減少某個集中部位，配置及歷史波動估計怎樣改變？",
    "chart": "multi",
    "metric": "情境風險變動（百分點）",
    "secondary": "擬出售市值（記帳幣）",
    "x": "減倉比例",
    "y": "情境風險變動（百分點）",
    "panels": [
        "前後配置",
        "歷史估計風險",
        "減倉與現金假設"
    ],
    "filters": [
        "投資帳戶",
        "分析期間",
        "記帳幣別"
    ],
    "apis": [
        "EOD",
        "FX",
        "USER"
    ],
    "calculation": "讓用戶調整部位減倉量及所得現金用途，再用同一歷史協方差估計前後波動與集中度。",
    "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。需另列假設費用、價格及去向；不代替真實交易，歷史估計不保證未來風險。",
    "data_class": "用戶資料",
    "complexity": "高",
    "audience": "專業",
    "reach": 5,
    "frequency": 6,
    "decision": 6,
    "clarity": 7,
    "sample_labels": [
        "不減倉",
        "減少四分一",
        "減少一半",
        "全部退出"
    ],
    "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": 57.5,
    "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": 857,
    "stage": "P4",
    "svg_file": "mockups/0857-PRT-048.svg",
    "demo_fingerprint": "0b54110da33dd965",
    "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
        }
    }
}