{
    "id": "GLB-012",
    "category": "GLB",
    "title": "全球股市相關矩陣",
    "question": "投資不同國家市場能否在歷史價格上形成分散？",
    "chart": "matrix",
    "metric": "共同週回報相關（−1 至 1）",
    "secondary": "共同觀測週數（週）",
    "x": "市場配對",
    "y": "共同週回報相關（−1 至 1）",
    "panels": [
        "全球相關矩陣",
        "有效週數",
        "幣別與時區"
    ],
    "filters": [
        "市場組合",
        "共同期間",
        "基準幣別"
    ],
    "apis": [
        "EOD",
        "FX",
        "EXCHANGE"
    ],
    "calculation": "採用同幣價格指數共同週末有效回報，計算相關並列有效樣本和時區截點。",
    "caveat": "跨市日收市非同步會低估或扭曲關聯；相關會變，不能保證分散效果。；先核對交易所／商品代碼覆蓋，並對齊交易日、時區及幣別。",
    "data_class": "衍生",
    "complexity": "高",
    "audience": "進階",
    "reach": 8,
    "frequency": 8,
    "decision": 9,
    "clarity": 8,
    "sample_labels": [
        "香港",
        "美國",
        "日本",
        "歐洲",
        "加拿大"
    ],
    "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": "全球市場與跨市場比較",
    "score": 82.5,
    "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/list-supported-forex-currencies",
        "https://eodhd.com/financial-apis/exchanges-api-list-of-tickers-and-trading-hours"
    ],
    "rank": 268,
    "stage": "P2",
    "svg_file": "mockups/0268-GLB-012.svg",
    "demo_fingerprint": "751d3497f2517c0d",
    "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
        }
    }
}